Matched Quad RCA 6FQ7 / 6CG7 Vacuum Tubes Песни На Стихи The dust jacket is excellent

The dust jacket is excellent shape

It was made in the US

There are two GEs

These tubes have steel plates

They measured 36 and 37 (RCA-LABELED

Matched Quad RCA 6FQ7 / 6CG7 Vacuum Tubes Песни На Стихи The dust jacket is excellentThis 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 69 72 while Tube Two measured 69 76. Tubes Three and Four measured 73 70 and 75 72, respectively, 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