Matched Pair Sovtek 6BQ5 EL84 Vacuum Tubes NOS-Testing Sound Effects new in box matched pair

new in box matched pair of Ken-Rad JAN-CKR-2C22 / 7193 milspec triodes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing matched pair of Ken-Rad 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

thick glass and micanol bases

This is a rather-early tube

It has outstanding silkscreening

Matched Pair Sovtek 6BQ5 EL84 Vacuum Tubes NOS-Testing Sound Effects new in box matched pairThis 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