one matched quad EL84 6BQ5

these tubes was made by Philips.


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 44 mA
tube #2 42 mA
tube #3 43 mA
tube #4 43 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"