Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass July 10 2025 Tube One tested 54 in

Tube One tested 54 in Section One and 54 in Section Two as well

two additional

but with some wear

If you need robust EL34s

Tube Two (diodes): 71/53

Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass July 10 2025 Tube One tested 54 inThis matched pair of Ken Rad black glass 6V6GT output tubes was tested on our Maxi Matcher 2 with 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 20. 7 milliamps' plate current, 2370 micromhos and 20. 7 2530 for Tube Two. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) These tubes have