Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing Octal Metal T02 100% is 56/56

100% is 56/56

I am playing it now in my Musical Paradise 301 MK 3 (with an adapter

where minimum (65%) is 38/38

5 record cleaner and then played it on my Rega Planar Threes

but I do not recommend using them at any other filament voltage than 12

Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing Octal Metal T02 100% is 56/56This new old stock testing matched pair of Sylvania MANUFACTURED. Silvertone BRANDED 6K7GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas, Tube One measured 56 while Tube Two measured 57 were minimum (65%) is 36 and 100% is 55.