HP 35665A DYNAMIC SIGNAL ANALYSER, OPTIONS 1D2 1D4 1C1 À DRAGUIGNAN

This HP 35665a is a low frequency FFT spectrum analyzer in good working condition with options (see photo). More photos on demand. Calibrated in 2018. It is excellent for tube audio work! (much better performance and bandwidth than the famous HP 3562a) Dual channel 80dB dynamic range An upgrade is available for purchase online from GLK instruments with an SD reader to replace the floppy disk and a full EEPROM update (all options) for 195$. I can supply operator guide and datasheet on demand in pdf format (but you can find them online). Dimensions: Height 222 mm Width 425.5 mm Depth 533 mm Weight 22 kg