Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes Joeph Haydn C Grafica s

C Grafica s

sheet getter

These tubes have mica snubbers for increased stability and lowered microphonics

Tube One measured 76/73 while Tube Two measured 79/72 where minimum (65%) is 50/50 and 100% is 77/77

I just cleaned this four LP set on my VPI 16

Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes Joeph Haydn C Grafica sThis matched pair of RCA 6FQ7 6CG7 dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas and their readings are as follows: Tube One measured 56 58 while Tube Two measured 59 56 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates; side D getters and excellent flashing. As I write, I am playing them with adapters (not included) in my Alan Eaton single ended