For secondary

Pair of 30 kOhms to 150 + 150 Ohms (600 Ohms unbalanced) Bartolucci line output transformers. They are ideal for tube preamplifier but could also be used as low output impedance interstage (as example, for 805 tube that needs huge grid current). These are made of potted double C cores. Primary resistance: 1260 Ohms Each secondary's resistance: 44 Ohms Specs mention 240 H primary inductance and 15 mA DC current. I measured 372 H on 50 Hz line voltage. Dimensions: 103 x 89 x 92 mm height Weight of each: 2050 g They were used and have some minor scratches that you can see on pictures but condition is very good. Outside Europe: 54,65 Euros (with tracking). Please contact me for express shipping / insurance.   Pour la France, jusqu'au 11 mai, envoi standard par UPS (livraison estimée: 24h).

Aeotec Siren Gen5, Z-Wave Plus, 105dB siren with strobe alerts, Plug-in, Backup battery Used - in perfect condition. Controlled by Z-Wave, Aeon labs siren comes with all the features that a siren ought to have as well as the features it should have. Along with its inbuilt siren and LED lights are a host of inbuilt benefits. There's the backup battery that will keep the siren online in the event of a power-cut, purposeful or otherwise. There are also the inbuilt configuration commands, allowing the decibels the siren outputs to be customized for secondary purposes, from door chimes to door bells. Utilizing the latest, stable Z-Wave technology, each sensor acts as a network repeater and features Z-Wave explorer frames for network maintenance and healing. - It's not just Siren's audio alerts that are helping to keep you safe. Siren is enhanced with visual alerts courtesy of 3 powerful, front-facing LEDs. - Siren has to immediately alert you to emergencies and safety problems. So that you always hear it, it has a high-intensity, 106dB speaker built right in. - No more wires. No more expensive installations. Setting up Siren couldn't be simpler. Select where you want it to be in your home and plug it in to a power outlet. Aeotec Siren Gen5, Z-Wave Plus, sirène 105dB avec alertes stroboscopiques, Plug-in, Batterie de secours Occasion - en parfait état. Contrôlée par Z-Wave, la sirène des laboratoires Aeon est livrée avec toutes les fonctionnalités qu'une sirène devrait avoir ainsi que les fonctionnalités qu'elle devrait avoir. Avec sa sirène intégrée et ses lumières LED, il y a une foule d'avantages intégrés. Il y a la batterie de secours qui maintiendra la sirène en ligne en cas de coupure de courant, volontaire ou non. Il existe également des commandes de configuration intégrées, permettant de personnaliser les décibels des sorties de sirène à des fins secondaires, des carillons de porte aux sonnettes de porte. Utilisant la dernière technologie stable Z-Wave, chaque capteur agit comme un répéteur de réseau et dispose de cadres d'exploration Z-Wave pour la maintenance et la réparation du réseau. - Ce ne sont pas seulement les alertes audio de Siren qui vous aident à rester en sécurité. La sirène est améliorée avec des alertes visuelles grâce à 3 LED puissantes orientées vers l'avant. - Siren doit vous alerter immédiatement des urgences et des problèmes de sécurité. Pour que vous l'entendiez toujours, il est doté d'un haut-parleur haute intensité de 106 dB intégré. - Plus de fils. Fini les installations coûteuses. La configuration de Siren ne pourrait pas être plus simple. Sélectionnez où vous voulez qu'il soit dans votre maison et branchez-le à une prise de courant.

Aeotec Siren Gen5, Z-Wave Plus, 105dB siren with strobe alerts, Plug-in, Backup battery Used - in perfect condition. Controlled by Z-Wave, Aeon labs siren comes with all the features that a siren ought to have as well as the features it should have. Along with its inbuilt siren and LED lights are a host of inbuilt benefits. There's the backup battery that will keep the siren online in the event of a power-cut, purposeful or otherwise. There are also the inbuilt configuration commands, allowing the decibels the siren outputs to be customized for secondary purposes, from door chimes to door bells. Utilizing the latest, stable Z-Wave technology, each sensor acts as a network repeater and features Z-Wave explorer frames for network maintenance and healing. - It's not just Siren's audio alerts that are helping to keep you safe. Siren is enhanced with visual alerts courtesy of 3 powerful, front-facing LEDs. - Siren has to immediately alert you to emergencies and safety problems. So that you always hear it, it has a high-intensity, 105dB speaker built right in. - No more wires. No more expensive installations. Setting up Siren couldn't be simpler. Select where you want it to be in your home and plug it in to a power outlet. Aeotec Siren Gen5, Z-Wave Plus, sirène 105dB avec alertes stroboscopiques, Plug-in, Batterie de secours Occasion - en parfait état. Contrôlée par Z-Wave, la sirène des laboratoires Aeon est livrée avec toutes les fonctionnalités qu'une sirène devrait avoir ainsi que les fonctionnalités qu'elle devrait avoir. Avec sa sirène intégrée et ses lumières LED, il y a une foule d'avantages intégrés. Il y a la batterie de secours qui maintiendra la sirène en ligne en cas de coupure de courant, volontaire ou non. Il existe également des commandes de configuration intégrées, permettant de personnaliser les décibels des sorties de sirène à des fins secondaires, des carillons de porte aux sonnettes de porte. Utilisant la dernière technologie stable Z-Wave, chaque capteur agit comme un répéteur de réseau et dispose de cadres d'exploration Z-Wave pour la maintenance et la réparation du réseau. - Ce ne sont pas seulement les alertes audio de Siren qui vous aident à rester en sécurité. La sirène est améliorée avec des alertes visuelles grâce à 3 LED puissantes orientées vers l'avant. - Siren doit vous alerter immédiatement des urgences et des problèmes de sécurité. Pour que vous l'entendiez toujours, il est doté d'un haut-parleur haute intensité de 105 dB intégré. - Plus de fils. Fini les installations coûteuses. La configuration de Siren ne pourrait pas être plus simple. Sélectionnez où vous voulez qu'il soit dans votre maison et branchez-le à une prise de courant. FONCTIONS: - Sirène d'intérieur sans fil Z-Wave Plus - Volume sonore 105dB  - Alarme visuelle puissante - Batterie de secours interne en cas de coupure de courant - Sécurité de la communication radio via le chiffrement AES-128 - Intègre la puce Z-Wave série 500 - Communication 250% plus rapide comparé à des périphériques Z-Wave standard  - Supporte les trames d'exploration Z-Wave - Supporte Beaming  - Mises à jour du firmware Over The Air (OTA) - Répéteur de messages Z-Wave  - Optimisation de l'antenne, portée 150 mètres - Installation facile sur une prise de courant   CARACTERISTIQUES TECHNIQUES: - Type de module: Récepteur Z-Wave - Alimentation: 90-260Vac, 50/60 Hz - Batterie de secours interne (Lithium): 430 mAh - Consommation: - En veille: 0,7W - En fonctionnement: 1,7W - Fréquence: 868.42 MHz - Distance de transmission: 170m en champ libre - Puissance du buzzer: 105dB - Température de fonctionnement: 0°C à 45°C - Dimensions: 8,5cm x 5,7cm x 6,5cm (L x l x p) - Poids: 85g - Certifications: CE et RoHS

For sale IsoAcoustics Gaia III set of 4. The item is new, never used. Opened box. Feel free to ask if any question. Description: IsoAcoustics Gaia Series Threaded Isolation Feet The GAIA isolators are machined units that incorporate IsoAcoustics’ patented design to provide a high degree of speaker isolation, while resisting lateral movement and oscillations, to maintain alignment with the listening position. Internal reflections from the hard supporting surface are attenuated resulting in greater sound clarity and openness. The soundstage blossoms to open up a three-dimensional image of natural, spatial sounds. Optimal results are heard by installing these units with the logo facing the listening position, or rotated 180 degrees, to align the isolators with the speaker’s motive forces, lift and place the speakers into position as the GAIA lower isolator will adhere to the supporting surface. “When a speaker is placed on a hard surface, secondary internal reflections result. Any artefacts of this smear that is similar in the two channels are perceived to be in the centre, causing the sound stage to collapse. The GAIA series of isolators eliminates this smear resulting in a larger 3-dimensional sound stage.” Gaia III Crafted with the vision of providing extraordinary acoustic performance, the GAIA III is the union of aesthetic visual design and acoustic engineering. The small compact design delivers unbelievable acoustic isolation that will bring out clarity and openness from your speaker as you’ve never heard. Designed for floor standing speakers and subwoofers weighing up to 70 lbs (32 KG), the GAIA III will provide more openness and clarity. Structural borne noise is greatly reduced while internal reflections from the hard-supporting surface are attenuated resulting in greater sound clarity and openness. Optimal results are achieved by installing the GAIA isolators with the logo facing the listening position, or rotated 180 degrees, to align the isolators with the speaker’s motive forces. The GAIA III provides a high degree of isolation while resisting lateral movement and oscillations to maintain alignment with the listening position. Lift and place the speakers into position as the GAIA lower isolators will adhere to the supporting surface. The GAIA’s are threaded into the base of the speaker or subwoofer to replace the existing spikes or feet. Threading the GAIA’s into the base of the speaker creates a strong connection with the speaker. With the top of the GAIA housing connected with the speaker and the bottom of the GAIA connected to the supporting surface, all of the energy is then managed by the GAIA’s internal isolator.

Bomaster 1900 Youtube demo link: https://www.youtube.com/watch?v=sGseuFLROKU Manufactured: 1976 - 1982 Designer: Jacob Jensen Colours: Rosewood, Teak, White, Oak The 1970's were exciting times for Bang & Olufsen. Another breakthrough during this decade was Beomaster 1900, a radio receiver and amplifier launched in 1976. Once again, design and operation differed dramatically from other contemporary products. Originally designed by Jacob Jensen, Beomaster 1900, together with Beomaster 2400-2 were two advanced FM stereo receivers. They had identical technical specification and performance. Both were easy to use and easy to live with. Beomaster 2400-2 had the additional convenience of a cordless ultrasonic remote control module by which you could operate radio, amplifier and Beogram 2400 or 4004 record deck from a distance. Both receivers had touch-sensitive controls for operating the features and functions you used every day. All the secondary switches and adjustments were protected beneath a hinged lid, but an illuminated readout panel showed you the set's operational status at a glance. Beomaster 1900 boasted a powerful 2 x 30 watts RMS amplifier with distortion of less than 0,13%, five pre-set FM stations and comprehensive connection facilities. To operate it you simply touch the application "dimples" on the set's front panel. The radio section had 4 pre-set stations which could be summoned at a touch and the phase-lock loop decoder provided excellent stereo separation even in difficult reception conditions The volume level could be pre-set at low, medium or high, and the music would always start at this level however much the volume control was altered last time the set was used. The sets' controls were divided into primary and secondary functions. The latter, which were less frequently used, were placed underneath the hinged aluminium panel where they were protected from dust and accidental movement. A clear distinction was therefore made between the primary choice - accessible through a light touch - and the secondary choice, concealed under a lid hiding what the user did not need for daily use. At a stroke, what had been the norm for hi-fi in the past, with its macho grip and buttons, was eliminated. Instead, designer Jacob Jensen created a new design language, flat 'flush-designed' and electronically communicating, which did not target a few techno-freaks, but a much wider audience who wanted music rather than hi-fi equipment. Beomaster 1900 had connections for two pairs of speakers, headphones, record player and cassette recorder. The receiver won the ID Award in 1976. Livraison Internationale (cotation sur demande) (please feel free to contact me for further details) Worlwide shipment: please contact before bidding   BIEN LIRE AVANT D’ENCHERIR; READ CAREFULLY BEFORE BIDDING   Attention pour la livraison (Be careful for the delivery)   Les objest ne sont pas exemptés des vibrations ou chocs dû au transport (item are not free from vibrations or damages due to the fret)   En cas d'objets endommagés ou problèmes quelconques,  je ne suis pas responsable et donc pas de retour.  Si vous n’êtes pas d’accord avec ces condition de vente,  ne pas enchérir … In case of damages or problem with the fret, I decline all responsabilities and no retunrs accepted. If your not agree with the terms, please don't bid or buy anything.   Tout le matériel qui vous est proposé est testé avant la mise en vente et avant la livraison pour assurer le bon fonctionnement All items are tested before the sale to ensure the perfect work of the item.   L'acheteur potentiel dispose de toute la durée de la mise en vente pour me demander toute information/précision/photo qui lui paraîtraient utiles ou nécessaires pour enchérir. The Seller can ask all the informations and pictures that he needs before bidding or buying any item, I will a

TWS casque sans fil Bluetooth écouteurs écouteurs pods intra-auriculaires SC Specification: 1.  Colour: Black 2.  Material: ABS, lithium battery 3.  Shell size 8*5*3cm (Due to manual measurement, there will be an error of 1-3cm.)   Feature: 1.Open the shell and connect the wireless bluetooth headset The A1 Plus wireless headset Bluetooth is designed to automatically restore the connection with the last paired device when the phone case is opened, without having to take out two earplugs. The easiest way to restore the connection is to close/open the case. And our A1 Bluetooth headset is not divided into primary and secondary earbuds, both of which are primary earbuds. The connection of our A1 is very fast and convenient. 2.The HD stereo you want to hear There is a 6mm driver inside the wireless sports Bluetooth headset, which can deliver clear sound. Bluetooth 5.0 provides a faster and more stable wireless connection for your device. The chip can also drive voice-enabled assistant access and provide ultra-low game latency. Therefore, whether you are playing games, listening to music or enjoying podcasts, you will experience higher quality sound. This is a good gift for men. 3.IPX7 waterproof protection Both the headset wireless and portable charging boxes are sealed with IPX7 protection level to prevent heavy rain and water splashing. This resistance ensures that the earbuds and charging case can withstand strong jets for at least three minutes. IPX7 waterproof can provide anti-sweat protection for the headset, and has a rain and sweat-proof microphone. So that you can exercise in the gym or enjoy your favorite sports through sports Bluetooth headsets. 4.Random use of single earplugs Unlike other TWS Bluetooth headsets that work in master/slave mode, headsets with microphones allow each earbud to work individually. Just choose one at random and use it immediately, whether it's on the left or right. It can be an ideal choice for her birthday gift. 5.Easy touch Gently touch the earplugs to control all functions without discomfort. Playing, pausing, skipping songs, answering calls and volume control are all done by its smart touch sensor. 6.The smallest wireless headset The single earplug weighing only 4.4 grams is as light as A4 paper. No matter how long you listen to it, it can bring you a more comfortable wearing experience without burdening your ears. Choose from one of the two most suitable earplugs and insert the correct earplug into the corresponding ear. 7.The earplugs are marked with L (left ear) or R (right ear) because the angle of each earplug has been carefully designed to perfectly fit your ear shape.  After inserting the earbuds into your ears, gently rotate and rotate clockwise to ensure a fit, please adjust as needed.   Package Including: ·  Headphone*2 (bring a pair of earplugs) ·  Charging box*1 ·  Earplugs*3 pairs ·  usb charging cable*1 ·  Manual *1   Le 21-nov.-20 à 11:21:13 Paris, le vendeur a ajouté les informations suivantes: Payment Nous n'acceptons que Paypal comme moyen de paiement. L'article sera envoyé dans 24 heures suivant le paiement reçu du lundi au vendredi, et les commandes reçues le samedi et le dimanche seront affichées le lundi suivant. Shipping Nous fournissons des choix multiples pour les méthodes d'expédition et la date d'arrivée estimée, mais veuillez comprendre que nous ne pouvons pas contrôler la condition d'expédition actuelle et la date d'arrivée. Terms of Sale Si vous n'êtes pas satisfait de votre achat, contactez-nous sans hésiter. Les articles peuvent être retournés dans 30 jours en état inutilisé, nous effectuerons un échange et un remboursement une fois que nous aurons reçu l'objet. Gardez les étiquettes entières et les éléments propres sans saveur, si non nous n'accepterons pas le retour. About US Si vous avez des questions, contactez-nous par l'intermédiaire de l'onglet «Demandez-nous un vendeur» au bas de la page d'inscription. Répondre à votre satisfaction est la chose la plus imotante pour nous, nous souhaitons résoudre chaque problème pour vous. Et laissez-nous une note de  5 étoiles  si vous vous sentez heureux de notre produit et service. Specification: 1.  Colour: Black 2.  Material: ABS, lithium battery 3.  Shell size 8*5*3cm (Due to manual measurement, there will be an error of 1-3cm.)   Feature: 1.Open the shell and connect the wireless bluetooth headset The A1 Plus wireless headset Bluetooth is designed to automatically restore the connection with the last paired device when the phone case is opened, without having to take out two earplugs. The easiest way to restore the connection is to close/open the case. And our A1 Bluetooth headset is not divided into primary and secondary earbuds, both of which are primary earbuds. The connection of our A1 is very fast and convenient. 2.The HD stereo you want to hear There is a 6mm driver inside the wireless sports Bluetooth headset, which can deliver clear sound. Bluetooth 5.0 provides a faster and more stable wireless connection for your device. The chip can also drive voice-enabled assistant access and provide ultra-low game latency. Therefore, whether you are playing games, listening to music or enjoying podcasts, you will experience higher quality sound. This is a good gift for men. 3.IPX7 waterproof protection Both the headset wireless and portable charging boxes are sealed with IPX7 protection level to prevent heavy rain and water splashing. This resistance ensures that the earbuds and charging case can withstand strong jets for at least three minutes. IPX7 waterproof can provide anti-sweat protection for the headset, and has a rain and sweat-proof microphone. So that you can exercise in the gym or enjoy your favorite sports through sports Bluetooth headsets. 4.Random use of single earplugs Unlike other TWS Bluetooth headsets that work in master/slave mode, headsets with microphones allow each earbud to work individually. Just choose one at random and use it immediately, whether it's on the left or right. It can be an ideal choice for her birthday gift. 5.Easy touch Gently touch the earplugs to control all functions without discomfort. Playing, pausing, skipping songs, answering calls and volume control are all done by its smart touch sensor. 6.The smallest wireless headset The single earplug weighing only 4.4 grams is as light as A4 paper. No matter how long you listen to it, it can bring you a more comfortable wearing experience without burdening your ears. Choose from one of the two most suitable earplugs and insert the correct earplug into the corresponding ear. 7.The earplugs are marked with L (left ear) or R (right ear) because the angle of each earplug has been carefully designed to perfectly fit your ear shape.  After inserting the earbuds into your ears, gently rotate and rotate clockwise to ensure a fit, please adjust as needed.   Package Including: ·  Headphone*2 (bring a pair of earplugs) ·  Charging box*1 ·  Earplugs*3 pairs ·  usb charging cable*1 ·  Manual *1   Le 21-nov.-20 à 11:21:13 Paris, le vendeur a ajouté les informations suivantes: PAYMENT Nous n'acceptons que Paypal comme moyen de paiement. L'article sera envoyé dans 24 heures suivant le paiement reçu du lundi au vendredi, et les commandes reçues le samedi et le dimanche seront affichées le lundi suivant. SHIPPING Nous fournissons des choix multiples pour les méthodes d'expédition et la date d'arrivée estimée, mais veuillez comprendre que nous ne pouvons pas contrôler la condition d'expédition actuelle et la date d'arrivée. Terms of Sale Si vous n'êtes pas satisfait de votre achat, contactez-nous sans hésiter. Les articles peuvent être retournés dans 30 jours en état inutilisé, nous effectuerons un échange et un remboursement une fois que nous aurons reçu l'objet. Gardez les étiquettes entières et les éléments propres sans saveur, si non nous n'accepterons pas le retour. ABOUT US Si vous avez des questions, contactez-nous par l'intermédiaire de l'onglet «Demandez-nous un vendeur» au bas de la page d'inscription. Répondre à votre satisfaction est la chose la plus imotante pour nous, nous souhaitons résoudre chaque problème pour vous. Et laissez-nous une note de  5 étoiles  si vous vous sentez heureux de notre produit et service. Le 02-déc.-20 à 09:42:20 Paris, le vendeur a ajouté les informations suivantes:

The Korg D8 is a portable multitrack recording device.  The device is compact enough to be transported on the road, but also powerful enough to hold multi-layered song recordings for mixing and post-production. The D8 contains both analog and digital capabilities, and is therefore suitable as part of an electronic MIDI chain or as a traditional recording device. Registration The Korg D8 lets you record up to eight individual audio tracks per song. Tracks 1 through 6 are designated for monophonic recording - or using a single audio input (like a guitar cable) - while tracks 7 and 8 are used exclusively for stereo recording (left and right). Hard disk The D8 packs 1.4 GB of hard drive space, which translates to 34 minutes of recording using the total capacity of 8 tracks. Since the D8 does not use tapes or CDs, you can transfer your recordings from the hard drive to an external source such as a computer, tape recorder or external disc player, using the RCA outputs (red and white), the SCSI port or the digital S / PDIF interface. Display screen The black and white LCD screen allows you to browse and access your saved song files, edit and delete the contents of your hard drive, apply effects and equalize your recordings. Use the round value dial and arrow keys to navigate your onscreen options. Optional track coupling If you want to record all of your tracks in stereo rather than mono, you can use the D8 as a four-track recorder by pairing your tracks. For example, if you pair tracks one and two using the pairing buttons on the corresponding channel strips, track one becomes channel “L” or “left”, and track two becomes channel “R” or " law ". Editing The D8 functions as a portable mixer with its volume faders, pan knobs and EQ knobs track by track. Each channel strip contains all of these characteristics, so you can adjust each song in your mix to suit your needs. Use the volume sliders at the bottom of the D8 to set the appropriate levels for each track; use the “Pan” buttons to move each recording between the center, right and left channels; and use the “EQ” buttons to adjust the audio frequencies. You can adjust precise equalization parameters using the LCD display. MIDI integration Connect your D8 to a synthesizer, drum machine, sampler, sequencer, sequencer, or other digital device to transfer notation. You can use the D8 as a MIDI input (via the “MIDI In” socket) to transfer audio data from your secondary device to your hard drive, or as a MIDI output (via the “MIDI Out” socket) to transfer data from your device. hard drive to your secondary instrument. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Le Korg D8 est un appareil d’enregistrement multipiste portable.  L’appareil est suffisamment compact pour être transporté sur la route, mais aussi assez puissant pour contenir des enregistrements de chansons multicouches pour le mixage et la post-production. Le D8 contient à la fois des capacités analogiques et numériques, et convient donc comme partie d’une chaîne MIDI électronique ou comme appareil d’enregistrement traditionnel. Enregistrement Le Korg D8 vous permet d’enregistrer jusqu’à huit pistes audio individuelles par chanson. Les pistes 1 à 6 sont désignées pour l’enregistrement monophonique — ou l’uti

Carte juste utilisée dans une de mes consoles Yamaha. Vendue dans sa boite d'origine avec son mode d'emploi mais sans licence DVS (Dante Virtual soundcard). 30$ donc 26€ la licence pour 1PC/MAC sur le site audinate.com  Caractéristiques: - Supports 44.1 and 88.2kHz sample rates, in addition to the previously-supported 48 and 96 kHz sample rates. - Audio channels: 16x16 @ 48kHz OR 8x8 @ 96kHz - Sample rate pull-up/down can be used to synchronise audio with video that has undergone frame rate conversion. - Dante-MY16-AUD2 cards can be daisy chained together via the secondary Ethernet port. - Dante-MY16-AUD2 can be PIN-locked and unlocked using Dante Controller. - Latency can be selected from five preset values: 0.25 ms, 0.5 ms, 1.0 ms, 2.0 ms, or 5.0 ms. - More than 16 audio channels can be transferred when used with multiple Dante-MY16-AUD2 cards. - Automatic discovery and setup for network devices. Devices names can be specified as required. - Sample bit-depth: 24 bit PCM - Network: 2 Gigabit (1000Mbps) Ethernet RJ45 connectors for Dante I/O, 1x D-sub 9 pin connector for RS232-C. - Redundancy: Glitch-free Dante audio redundancy using dual Ethernet networks - HA Remote: Support for HA Remote capable Yamaha products - Expandable: Install up to four Dante-MY16-AUD cards in available MY16-compatible slots for up to 64x64 audio channels - Compatible with a range of digital mixing consoles, processors and power amps equipped with MY16-interface compatible card slots, including: - Digital Mixers: QL 5/1, CL5/3/1, PM5D, DSP5D, M7CL, LS9, DM2000, DM1000, 02R96, 01V96, 01V96i - Processors: DME24N, DME64N - Power Amps: Tx4n, Tx5n, Tx6n - Synchronization: High quality on-board VCXO clock can provide master clock OR slave from audio equipment; automatic synchronization with Dante network - Allows direct PC or Mac audio input and output without the need for an audio interface. Prix le plus faible en neuve 799€ chez Toto.. Cédée 450€ !! Frais de port gratuit pour la France en colissimo avec assurance..

Item was a gift, installed to test and check it was in perfect working order. The sound is better with it, but this is way too much for my humble set up, and space available, sadly. it will be sent in the special double box original packaging it came in so no worries. Parasound HALO A-52 + A52+ 5 VOIES 180 watts RMS x 5 8 Ω.     180 watts RMS x 5 @ 8 Ω     255 watts RMS x 5 @ 4 Ω     225 watts RMS x 2 @ 8 Ω     350 watts RMS x 2 @ 4 Ω     Class A/AB circuitry designed by legendary John Curl     Direct coupled - no capacitors or inductors in audio path ensures the cleanest signal     Balanced XLR inputs with discrete circuits     Full power is rated all the way down to 5Hz for unrestricted low-end bass     Custom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel     Hand-matched JFETs for input stage     Hand-matched MOSFETs for driver stage     Beta-matched 15 amp, 60 MHz bipolar output transistors (3 pairs per channel)     100,000 µF power supply filter capacitance     DC Servo and relay protection circuits     Auto turn on by audio signal or 12V trigger     Heavy-duty 24k gold-plated, 5-way speaker terminals     3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately) Veuillez n'enchérir que si vous acceptez qu'il s'agit d'une vente privée, sans les garanties habituelles de l'UE et le droit de retour ! En soumettant une offre, vous acceptez cette condition. Power outpout 5 Channels Driven 180 watts x 5, 8 Ω 255 watts x 5, 4 Ω Power Output - 2 Channels Driven 225 watts x 2, 8 Ω 350 watts x 2, 4 Ω Power measurements parameters with 120VAC 0.05% THD, RMS continuous power, full audio band (20 Hz - 20 kHz) Current Capacity: 45 amperes peak, per channel Dynamic Headroom: >1.5dB Slew Rate > 130 volts per microsecond Frequency Response 5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.3 dB Total Harmonic Distortion (THD) IM Distortion TIM Unmeasurable Interchannel Crosstalk > 78 dB at 1 kHz > 63 dB at 20 kHz Input Impedance Unbalanced: 47 kΩ Balanced: 94 kΩ, 47 kΩ per leg Input Sensitivity for 28.28 V Output into 8 Ω Unbalanced: 1 V Balanced: 1 V per leg Total Gain: 29 dB S/N Ratio > 112 dB, input shorted, IHF A-weighted > 102 dB, input shorted, unweighted Damping Factor > 1100 at 20 Hz DC Trigger Requirements +9 Vdc to +12 Vdc, 5 mA Audio Trigger Requirements 2 mV - 10 mV XLR Pin Identification 1 = Ground (Shield) 2 = Positive 3 = Negative (Return) Dimensions Width: 17-1/4" (437 mm) Height without feet: 5-1/4" (133 mm) Height with feet: 5-7/8" (149 mm) Depth: 20" (508 mm) Depth with cables: 21-1/4" (540 mm) Net Weight 55 lb. (25 kg) Shipping Weight 69 lb. (31.3 kg) Power Requirement Standby: 1 Watt Idle: 125 Watts Maximum: 1500 Watts

Schoeps DSP-4 KFM 360 This unit is in good cosmetic condition and turns on, but I did not test it myself. I bought it used from the exclusive Schoeps French distributor Areitec in 2017, so it should be in good working condition. Invoice is available. I never had any opportunity to use this fantastic piece of gear. Sold as is. Comes in its original Schoeps wooden box with a Schuko power cord (France), a stereo XLR cable (5 pins) and a XLR split Y cable. The DSP-4 KFM 360 is a 24-bit processor unit. Together with the sphere microphone KFM 360 and two bidirectional compact condenser microphones CCM 8L, it forms a compact 5.1 surround recording system with excellent spatial imaging capability. The processor derives the six 5.1 surround channels from only four microphone signals (the two pressure transducers in the KFM 360 plus two figure-8s) and offers a wide range of selectable settings. The primary characteristics of the DSP-4 KFM 360 are:  – analog and digital inputs and outputs  – integrated 48 Volt phantom powering and microphone preamplification  – built-in equalization for the microphones  – digital processing can be performed during or after the actual recording  – analog control “feel”  – capability to store control “presets”  – directionality of the front and rear channel microphones is independently selectable  – the stereo basis width of the front channels is independently variable  – adjustable time delay and low-pass filtering for the rear channels  – sampling rate 44.1, 48 or 96 kHz, 24 bit In addition to amplifying the microphone signals, in the “B: SURR” operating mode the DSP-4 KFM 360 provides compensation for the low-frequency response of the figure-8 microphones and appropriate diffuse-field equalization for the pressure transducers. The front-channel outputs result from summing the outputs of the pressure transducers with the outputs of the figure-8s, while the rear-channel outputs result from subtracting these signals (see drawing on next page). The resulting “virtual microphones” face frontward and backward as do the actual figure-8s. The directional patterns of the front- and rear-facing “virtual microphones” may be set independently, from omnidirectional through cardioid all the way to figure-8 (though the extreme settings are of only limited usefulness). This permits flexible adaptation to the particular acoustic conditions of the recording venue, since the choice of directional pattern affects the amount of reverberant energy that will be picked up. If the unprocessed microphone signals are recorded (four channels), the effective directional settings can be chosen retroactively during post-production playback. The center channel signal is derived from the front channels by a matrix. An additional channel contains only a low-frequency signal up to 80 Hz, which is obtained by summing the pressure transducer outputs and reducing the total level by 6 dB. To prevent the disturbing effect of rear channel localization of sound sources, the rear channel signals can be reduced in level, delayed and/or processed by an adjustable low-pass filter. In addition to these primary functions, each selector switch also has a secondary function that allows, for example, the relative front-to-back channel gain or the left/right balance to be adjusted. While recording there is also a monitoring function which permits twelve different signals to be heard through Output III, as determined by the set- ting of the REC MONITOR knob.

Specification: 1.  Colour: Black 2.  Material: ABS, lithium battery 3.  Shell size 8*5*3cm (Due to manual measurement, there will be an error of 1-3cm.)   Feature: 1.Open the shell and connect the wireless bluetooth headset The A1 Plus wireless headset Bluetooth is designed to automatically restore the connection with the last paired device when the phone case is opened, without having to take out two earplugs. The easiest way to restore the connection is to close/open the case. And our A1 Bluetooth headset is not divided into primary and secondary earbuds, both of which are primary earbuds. The connection of our A1 is very fast and convenient. 2.The HD stereo you want to hear There is a 6mm driver inside the wireless sports Bluetooth headset, which can deliver clear sound. Bluetooth 5.0 provides a faster and more stable wireless connection for your device. The chip can also drive voice-enabled assistant access and provide ultra-low game latency. Therefore, whether you are playing games, listening to music or enjoying podcasts, you will experience higher quality sound. This is a good gift for men. 3.IPX7 waterproof protection Both the headset wireless and portable charging boxes are sealed with IPX7 protection level to prevent heavy rain and water splashing. This resistance ensures that the earbuds and charging case can withstand strong jets for at least three minutes. IPX7 waterproof can provide anti-sweat protection for the headset, and has a rain and sweat-proof microphone. So that you can exercise in the gym or enjoy your favorite sports through sports Bluetooth headsets. 4.Random use of single earplugs Unlike other TWS Bluetooth headsets that work in master/slave mode, headsets with microphones allow each earbud to work individually. Just choose one at random and use it immediately, whether it's on the left or right. It can be an ideal choice for her birthday gift. 5.Easy touch Gently touch the earplugs to control all functions without discomfort. Playing, pausing, skipping songs, answering calls and volume control are all done by its smart touch sensor. 6.The smallest wireless headset The single earplug weighing only 4.4 grams is as light as A4 paper. No matter how long you listen to it, it can bring you a more comfortable wearing experience without burdening your ears. Choose from one of the two most suitable earplugs and insert the correct earplug into the corresponding ear. 7.The earplugs are marked with L (left ear) or R (right ear) because the angle of each earplug has been carefully designed to perfectly fit your ear shape.  After inserting the earbuds into your ears, gently rotate and rotate clockwise to ensure a fit, please adjust as needed.   Package Including: ·  Headphone*2 (bring a pair of earplugs) ·  Charging box*1 ·  Earplugs*3 pairs ·  usb charging cable*1 ·  Manual *1   Le 21-nov.-20 à 11:21:13 Paris, le vendeur a ajouté les informations suivantes:

Schoeps DSP-4 KFM 360 This unit is in good cosmetic condition and turns on, but I did not test it myself with mikes. It is a former demo unit from the exclusive Schoeps French distributor Areitec. I bought it from them in 2017, so it should be in good working condition. Original invoice is available. I never had any opportunity to use this fantastic piece of gear. Sold as is. Comes in its original Schoeps wooden box with a Schuko power cord (France), a stereo XLR cable (5 pins) and a XLR split Y cable. The DSP-4 KFM 360 is a 24-bit processor unit. Together with the sphere microphone KFM 360 and two bidirectional compact condenser microphones CCM 8L, it forms a compact 5.1 surround recording system with excellent spatial imaging capability. The processor derives the six 5.1 surround channels from only four microphone signals (the two pressure transducers in the KFM 360 plus two figure-8s) and offers a wide range of selectable settings. The primary characteristics of the DSP-4 KFM 360 are:  – analog and digital inputs and outputs  – integrated 48 Volt phantom powering and microphone preamplification  – built-in equalization for the microphones  – digital processing can be performed during or after the actual recording  – analog control “feel”  – capability to store control “presets”  – directionality of the front and rear channel microphones is independently selectable  – the stereo basis width of the front channels is independently variable  – adjustable time delay and low-pass filtering for the rear channels  – sampling rate 44.1, 48 or 96 kHz, 24 bit In addition to amplifying the microphone signals, in the “B: SURR” operating mode the DSP-4 KFM 360 provides compensation for the low-frequency response of the figure-8 microphones and appropriate diffuse-field equalization for the pressure transducers. The front-channel outputs result from summing the outputs of the pressure transducers with the outputs of the figure-8s, while the rear-channel outputs result from subtracting these signals (see drawing on next page). The resulting “virtual microphones” face frontward and backward as do the actual figure-8s. The directional patterns of the front- and rear-facing “virtual microphones” may be set independently, from omnidirectional through cardioid all the way to figure-8 (though the extreme settings are of only limited usefulness). This permits flexible adaptation to the particular acoustic conditions of the recording venue, since the choice of directional pattern affects the amount of reverberant energy that will be picked up. If the unprocessed microphone signals are recorded (four channels), the effective directional settings can be chosen retroactively during post-production playback. The center channel signal is derived from the front channels by a matrix. An additional channel contains only a low-frequency signal up to 80 Hz, which is obtained by summing the pressure transducer outputs and reducing the total level by 6 dB. To prevent the disturbing effect of rear channel localization of sound sources, the rear channel signals can be reduced in level, delayed and/or processed by an adjustable low-pass filter. In addition to these primary functions, each selector switch also has a secondary function that allows, for example, the relative front-to-back channel gain or the left/right balance to be adjusted. While recording there is also a monitoring function which permits twelve different signals to be heard through Output III, as determined by the set- ting of the REC MONITOR knob.

KLARK-TEKNIK DN9340 HELIX. Power-packed signal processor that can solve the most difficult sound problems. The DN9340 Helix EQ offers complete digital operation of an analog signal, with controls that are succinct. The first thing I noticed about the unit was the clean, clear, color display and arrangement of control knobs and touch pads. Navigation of the Helix is achieved through the touch pads initially, by deciding on the type of EQ or filter desired with the touch controls on the left side. Those controls are joined by several display lights that indicate the mode of operation the Helix is currently engaged in. There is also a bypass mode switch. On the right side of the display is the secondary touch pad, allowing for access to the parameters and additional functions, as well as storing and recall of up to 64 favorite EQ settings. Also incorporated into the touch control section is the Home/SetUp pad, which allows for instant menu access, as well as an escape from Store and Recall functions, in the event you get overwhelmed with the amount of functions at your disposal. Just below the right side touch controls are the three value/option controls that access the actual cut and boost, and frequency selection. Joining these controls on the right side is an attractive arrangement of LED meter stacks displaying the L/R input levels, the L/R output levels and the high and low-threshold level displays for the dynamic portion of the Helix. The Helix EQ is able to operate many functions simultaneously. For example, you can set the overall mains system through the use of the 12-band parametric EQ and then engage the 1/3 octave mode during performance for additional assistance and instant course correction. This can be done through the use of either the scroll and adjust knobs, or a sensitive touch pad just below each of 30 ISO standard frequencies on the 1/3 octave display. If that mode of display is not your fancy, you may engage the “Curve” display, which shows the actual shape of the waveform after the EQ is applied. Incidentally, you can scroll through the many functions of the Helix EQ and not affect the sound of the EQ until actually engaging that function.

Etat Neuf frais de port offert via UPS pour la France. RedNet D16 AES is a 1U 19in rack-mount interface featuring 16 channels of AES/EBU connectivity to and from a Dante audio network, with Ethernet redundancy for maximum network reliability. Perfect for bridging between digital consoles, power amplifiers or any other AES3 equipped audio equipment and a Dante network, RedNet D16 AES has a Sample Rate Convertor (SRC) on each input pair allowing instant operation with any AES3 source. Word Clock and Digital Audio Reference Signal (DARS) connections provide synchronisation with a wide range of hardware, while S/PDIF I/O allows the integration of equipment such as CD or solid state recorders/players. 16 Channel RedNet AES3 Interface for Dante Network AES3 connectivity allows connection of external converters, effects units, mixing consoles or any other AES3 equipped audio equipment to the Dante audio network Dual rear-panel Ethernet connectors (primary and secondary connectors) allow maximum network reliability with seamless switchover to a standby network in the unlikely event of a network failure. The ports can alternatively be used to daisy-chain additional units. SRC allows external equipment to run at any sample rate, irrespective of the sample rate or clocking of the Dante audio network Compact design allows maximum functionality in minimum rack space, with a full 16 channels of I/O in 1U. RedNet D16 AES features the standard trademark red anodised front panel RedNet D16 provides two 8-channel AES59 combined I/O DB25 connections. In addition, a pair of XLR3 connectors duplicates channels 1 & 2 The rear panel XLR input connector can either be used as a DARS input or as a traditional AES3 audio input, replacing channels 1‰ÛÒ2 of the DB25 inputs S/PDIF input and outputs are provided on RCA connectors; ideal for connecting CD players or solid-state recorders. The input replaces channels 3 & 4 in the DB25 connector while the output can be assigned to replicate any adjacent odd/even output pair Word Clock I/O on BNC connectors allows synchronisation of the Dante network to house clock, or syncing external equipment to the Dante network RedNet Control 2 software provides comprehensive remote control capability via a powerful tabbed browser-like graphic user interface, handling up to 600 devices

Yamaha Matrix Processeur MTX5-D - Matrice Processeur - Excellent état Série MTX - Caractéristiques techniques - Processeurs - Audio professionnel - Produits - Yamaha - France MTX5-D (yamaha.com)   MTX5-D Mixing capability Mixing channels Mixing Channel: 16 Mono + 3 Stereo + 2 Effect Return + 8 Direct-in to Matrix Input channel functions Mono CH: 3-band PEQ, Comp, Gate, Auto Gain Control, Feedback suppressor (available in ch 1-8) Output channel functions Room Delay, Room EQ, Speaker Processor, X-Over (1way,2way), Delay, 6-band PEQ, Limiter I/O Phantom power +48V Internal processing Priority Ducking, Ambient Noise Compensator Sampling frequency rate Internal 48kHz/ 44.1kHz Signal delay Less than 3.0ms (AD-DA @48kHz) Total harmonic distortion Less than 0.05% (+4dBu, Gain:-6dB), Less than 0.1% (+4dBu, Gain:+66dB) Frequency response 20Hz to 20kHz, +0.5dB, -1.5dB Dynamic range 107dB (Gain:-6dB) Hum & noise level Equivalent input noise -60dBu (Gain ： +66dB), -83dBu (Gain ： -6dB) Crosstalk -100dB Heat dissipation 55.9kcal/h max Power requirements AC100V-240V 50Hz/60Hz Power consumption 65W Dimensions W 480mm (18.9") H 88mm (3.4") D 351mm (13.9") Net weight 6.3kg (13.9lbs) Others Memory bank: PRESET 50 ·          * Total harmonic distortion is measured with a 18dB/Oct fi lter @80kHz. ·          * Hum & noise level is measured with a 6dB/oct fi lter @12.7kHz;equivalent to 20kHz fi lter with infi nite dB/Oct attenuation. AnalogInput Specifications Input terminal GAIN Actual load impedance For use with nominal Input Level Connector Nominal Max. before clip INPUT 1-8 +66dB 10kΩ 50-600Ω Mics & 600Ω Lines -62dBu -42dBu Euroblock -6dB +10dBu +30dBu ST IN 1,2 - 10kΩ 600Ω Lines -10dBV +10dBV RCA Pin Jack AnalogOutput Specifications Output terminal Actual Source impedance For use with nominal Output Level Connector Nominal Max. before clip OUTPUT 1-8 75Ω 10kΩ Lines +4dBu +24dBu Euroblock DigitalInput and Output Specifications Terminal Format Level IN/OUT Connector Note YDIF In YDIF RS-422 16IN RJ45 YDIF Out YDIF RS-422 16OUT RJ45 Primary Dante 1000BASE-T 16IN/16OUT RJ45 MTX5-D Only Secondary Dante 1000BASE-T 16IN/16OUT RJ45 MTX5-D Only ControlI/O Specifications Terminal Level Connector MTX5-D GPI 16 IN / 8 OUT IN 1-15ch: 0-5V 16ch: 2.5-24V: High, 2.5V or less, Allowable input +24V Euroblock OUT Open Collector +V DC5V MTX5-D REMOTE RS-232C (BAUD RATE: 38.4kbps or 115.2kbps) D-sub 9pin (Male) DCP - RJ-45 Exi8/Exo8 Specifications   EXi8 EXo8 Sampling frequency 48kHz/44.1kH Signal delay Less than 2.5ms Total harmonic distortion Less than 0.05% (+4dBu, Gain:-6dB); less than 0.1% (+4dBu, Gain:+66dB) Frequency response 20Hz to 20kHz, -1.5dB min, 0dB typ., +0.5dB max Dynamic range 107dB (Gain:-6dB) Equivalent input noise (EIN) -126dBu (Gain: +66dB) Phantom power +48V (per channel; individually settable) Crosstalk -100dB (@1kHz) Heat dissipation (per hour) 21.5 kcal max. Power supply voltage 100V 50/60Hz Power consumption 25 W max. Dimensions (W x H x D) 480(W) x 44(H) x 351(D)mm, 1U 480(W) x 44(H) x 351(D)mm, 1U Included items Power cord, Euroblock plugs (3-pin, tabbed) x8 EXi8Analog Input Specifications Input terminal GAIN Actual load impedance For use with nominal Input Level Connector Nominal Max. before clip INPUT 1-8 +66dB 10kΩ 50-600Ω Mics & 600Ω Lines -62dBu -42dBu Euroblock -6dB +10dBu +30dBu EXi8Digital Input Specifications Terminal Format Level IN/OUT Connector YDIF In YDIF RS-422 16IN RJ45 EXo8Analog Output Specifications Output terminal Actual Source impedance For use with nominal Output Level Connector Nominal Max. before clip OUTPUT 1-8 75Ω 10kΩ Lines +4dBu +24dBu Euroblock EXo8Digital Output Specifications Terminal Format Level IN/OUT Connector YDIF Out YDIF RS-422 16OUT RJ45 Exi8 /Exo8 Control I/O Specifications Terminal Format Level Connector Network Ethernet 100Base-TX - RJ-45  

Rare paire Luxman C300 et M300:Amplificateur et préamplificateur (avec phono). État : "Occasion" En excellent état de fonctionnement, notez qu' il faudra remplacer une ampoule du voyant Led  "classe A". Voltage 220V. Les deux appareils sont visibles chez Jefferson Hifi à Pérouse où je les ai déposés. Livraison possible en France, en Europe,etc nous consulter pour les frais d'envoi internationaux. Le M300 a été produit en même temps que la série C300. Je crois qu’il n’en a été produit que 2000 dans le monde. C’est non seulement une paire de collection, mais le haut de gamme des luxman des années 1980. Ils sont les dernières combinaisons pré/ampli, à avoir été fabriquées sans implication de Alpine(qui a ensuite  modifié sérieusement la qualité Luxman  hélas.). ils ont été primés "produit de l'année" au début des années 80.  Le M300 se laisse utiliser soit en classe A, où il développe 2x42 w sous 8 ohms en classe A, ou alors 172w en classe AB sous 8 ohms. Comme toujours chez Luxman, on peut espérer une dizainede watts supplémentaires dans chaque modes, vu qu'ils utilisent unsystème de mesure très strict sur leurs fiches techniques. Il faut surtout savoir qu’il ne faut basculer de classe AB en classe A que à l’arrêt, en redémarrage à froid.  Voici  les caractéristiques techniques (https://audio-database.com/LUXMANALPINE-LUXMAN/amp/m-300-e.html) et https://audio-database.com/LUXMANALPINE-LUXMAN/amp/c-300-e.html 1)Préampli C300: Frequency response: 0.5Hz to 140kHz   Total harmonic distortion: 0.005% Input sensitivity: 0.09mV (MC), 2mV (MM), 140mV (line)      Signal to noise ratio: 80dB (MM), 100dB (line) Output: 140mV (line), 1V (Pre out), 20V (Pre out Max)  Dimensions: 478 x 163 x 384mm     Weight: 9kg 2)amplificateur M300 Form Duo beta plusX poweramplifier Succession effectiveoutput (20Hz - 20kHz, both channel simultaneous operation) Class-A: 40W+40W (8ohms) AB class: 270W+270W (4ohms) 170W+170W (8ohms) THD (8 ohms) 20Hz- 20kHz-3dB Class-A: 0.005% or less AB class: 0.005% or less Cross modulationdistortion (8 ohms) 60Hz: 7kHz=4:1, -3dB Class-A: 0.005% or less AB class: 0.005% or less Output bandwidth Class-A: 10Hz-100kH-3dB(0.015% of distortion) AB class: 10Hz - -100kHz three dB(0.04% of distortion) Frequency characteristic 10hz-100kHz-1dB (aClass-A and AB class) Input sensitivity Class-A: 0.45V ABclass: 1V Input impedance 50kohm (a Class-A and ABclass) SN ratio (IHF-Acorrection) Class-A: 115dB ABclass: 120dB Remains noise (IHF-Acorrection) 30 microvolts (a Class-Aand AB class) Dumping factor 120 (1kHz, 8 ohms, aClass-A, and AB class) Protection network DC drift detectionspeaker protection network Overcurrent detection amplifierprotection network Attachment Circuit operationswitchpoint (indicator) Peek indicator Inputattenuator Headset jack Speaker-off switchpoint(indicator) Line phase sensor Supply voltage AC100V, 50Hz/60Hz Power consumption (Electrical Appliance and Material Control Law) Class-A: 420W ABclass: 430W Dimensions Width 478x height 214xdepth of 484mm Weight 30kg Stereo power amplifier which adopted the Duo beta plusX circuitry. In order to control NFB of an amplifier circuitry appropriately, the Duo beta circuitry was developed and it is adopted as M-300. After this makes amplifier to the extent that it is used also from a nakedness property as it was, it adds proper-quantity NFB and DC servo as finish of a tone quality, and is suppressing the transitional distortion of a supression of play sound, TIM, etc. by superfluous NFB etc. Furthermore, in M-300, the thought of a suitable control is introduced also into a power circuit, and it is considered as the power-source Duo beta plusX. At plusX, the stability of a comfortable tone quality and an operation is reconciled because the bottom gives controlling force calmly on the assumption that a generous power-source part. M-300 can change and use a Class-A and AB class. The Class-A operation has a structure which amplifies a signal wave form as it is. Therefore, it becomes unrelated to switching distortion or crossover distortion, and does not have the cause that it is distorted in addition to an element's own linearity. In M-300, the Class-A operation excellent in adopting a Duo beta as LAPT which excelled [element] in the high region property, and an amplifier circuitry, and adopting plusX as a power circuit is realized. In AB class, Oide power which drives transitional distortion below into a limit of measurement in pursuit of a nakedness property also in an operation, and is not made in a Class-A operation on it is realized. At the time of a switching of a Class-A / AB class, in a performance, sound does not break off and a noise is not generated, either. Circuitry constituted all the amplification stages from a push-pull circuit from the input stage to the output stage, and the amplifier which was excellent in the nakedness property which will be the requisite for a Duo beta circuitry is realized. The pre-driver stage is making the input stage the transistor which was excellent in the high region property with the cascode interconnection with the stream composition of the cascode bootstrap and the differential push pull by complimentary FET of a Pch type and a Nch type. And the driver stage and the power stage are considered as the push pull stream composition by a three-step Darlington connection. A linearity makes an output element high speed power transistor linear arithmetic processor-T which was well excellent in the high region property with a triple push pull stream composition, and the electric current is sent. In this way, the static characteristics and the dynamic behavior improved. And proper-quantity NFB and DC servo are added. The power-source part had the twin monophonic stream composition of right-and-left full independence, and has acquired the merit of a linearity covering all the bands, and the outstanding crosstalk property. The power transformer is performing and using the coil mandatory adopted and put into practice among the object for Rch, and two Lch. First, the power stage and the drive stage were made into another coil, and also the primary side and secondary side has unified the orientation of a coil. This is because it is checking having influence on play sound with the potential (polarity) which a transformer begins to roll, rolls and the last each has between opposite groundings. Moreover, four right and left adopt the type only with a capacity of 12,000 micro F for an audio as a filter capacitor, and low-impedance-ization of the power-source part is attained to it. In order to cope with the rush current which becomes large as the capacity of a power-source part becomes large, the rushes current preventing circuitry is adopted. The speaker protection network and the amplifier protection network are carried. The internal organs of the speaker protection network which detects DC output in an output-terminal and separates an output are carried out. Furthermore, when the speaker code etc. short-circuits, even if there is a big input, an amplifier circuitry is protected or the electric-current preventing circuitry is carried. After the elements currently used examine, it is using it, carrying out a tone-quality mandatory strictly uniquely. The film capacitor generally called non-polar is also arranging a polarity etc., and the capacitor is carrying out the tone-quality mandatory strictly. Moreover, the precision succession good transformation Detent volume excellent in the tone quality and a feeling of an operation is adopted as input attenuator. Furthermore, in terminals, the small gilding pin jack of contact resistance was adopted as the input terminal, and the large-sized screw type is adopted as a speaker termination. The product line was packed into the shortest distance, and also it has chosen high materials of the tone-quality effect, such as a shielded cable of oxygen free high conductivity copper and 500 core. Moreover, in order to suppress an elevation of the source impedance of the pattern side of a substrate, the power bus by a copper plate was adopted and the performance of a power source is employed efficiently. The line phase sensor is carried, by the functionality which detects this polarity, the polarity of the equipment was unified and the tone quality is improved. The indicator turned on at the clipping point of an output is carried, and a peek can be supervised.