Matched Pair RCA 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Valves Мелодия sutured tops and excellent flashing

sutured tops and excellent flashing

TV7/U readings are in (parenthesis)

not included) in my AC-heated Alan Eaton single-ended 45 amplifier and they sound OK

new in box CBS 12DB5 tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Valves Мелодия sutured tops and excellent flashingThis matched pair of RCA 8FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 67 in Section One and 65 in Section Two for Tube One and 67 69 in Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have gray plates; steel support rods; side, D getters and outstanding flashing. As I write, I am playing them in my Sound Craftsmen RC 2