ONE MATCHED QUAD EL84 6BQ5, BQ CODE, PHILIPS MADE, FOR AUDIO EN FRANCE

one matched quad EL84 6BQ5 these tubes was made by Philips, code bq this quad has been selected to work in audio amplifiers, Partridge ANK Leben, etc READINGS measurements were made on a precisely calibrated Metrix U61DM with Va 250V, Vg2 250V and -Vg1 7.3V tested with: tube #1 40 mA tube #2 41 mA tube #3 40 mA tube #4 41 mA where a new tube gives 48mA worldwide shipping with tracking in well made postal small parcel and delivery against signature for 9 euros. possibility of grouping the delivery, see my other ads. Important Reminders: “You will get what you see in the pictures. En savoir plus