General Electric GE 7408 6V6 6V6GT Vacuum Tube For Your Univalve 14Q7 NOS NIB these are what you're looking

these are what you're looking for

This pair of Tung-Sol type 76 triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Plate current measured 9

wire snubbers for diminished microphonics and with F9 date codes on both

Tube One measured 55 while Tube Two measured 62 where minimum is 34 and new is 60

General Electric GE 7408 6V6 6V6GT Vacuum Tube For Your Univalve 14Q7 NOS NIB these are what you're lookingThis GE MANUFACTURED, Stromberg Carlson BRANDED industrial 7408 (a hardier industrial version of the 6V6) output tube was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 15. 3 milliamps 1830 micromhos with 400 volts on the plates and a bias of 36 volts. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 1700 micromhos or