Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves NOS NIB Copper Support Rods Top Filaments October 28 2024 60 and 63 where minimum

60 and 63 where minimum (65%) is 40 and 100% is 62

I am playing them in my RC-2 monoblocks with The Beatles' "Revolver" and they sound terrific

I have played them in my Radio Craftsmen RC-2 monoblocks and they sound great

NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Valves NOS NIB Copper Support Rods Top Filaments October 28 2024 60 and 63 where minimumThis new old stock, new in box (For Tube Two) matched pair of GE 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 74 74 while Tube Two measured 75 75 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have copper support rods; top O getters, gray ladder plates; top filaments for a nice light show (please see Picture Four); three horizontal