Matched Pair Sovtek 6BQ5 EL84 Vacuum Tubes NOS-Testing Sound Effects Both tubes measured 72 where

Both tubes measured 72 where minimum (65%) is 55 and 100% 85

thick glass and micanol bases

I am glad I've lived to see it

new in box (for Tube Two) matched pair of Sylvania 6BL7GTA dual triodes was tested on our TV7/U for shorts

Matched Pair Sovtek 6BQ5 EL84 Vacuum Tubes NOS-Testing Sound Effects Both tubes measured 72 whereThis new old stock testing almost perfectly matched pair of Sovtek 6BQ5 EL84 6P14 6P14P output tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 14 volts for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 8000 micromhos for Tube One and 7500 for Tube Two. Plate current draw was 35. 3 milliamps for Tube One and 35. 9 for Tube Two. (New EL84s typically test from the mid 20s to mid