Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes Joeph Haydn I just cleaned this four

I just cleaned this four LP set on my VPI 16

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I’m playing it now in one of my Radio Craftsman mono blocks and it sounds great

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

These tubes have mica snubbers for increased stability and lowered microphonics

Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes Joeph Haydn I just cleaned this fourThis 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