Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass July 10 2025 Tube Two (diodes): 71/53

Tube Two (diodes): 71/53

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

This pair of Sylvania-MANUFACTURED 6X5GT rectifier tubes was tested on our Paul Hart-calibrated TV7/U for shorts

These eight Philco 7B8 tubes tested as follows on our Paul Hart-calibrated TV7/U where minimum (65%) is 29 and 100% is 45:

but with some wear

Matched Pair Ken-Rad 6V6 6V6GT 6P6 6P6P Vacuum Tubes Black Glass July 10 2025 Tube Two (diodes): 71/53This 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