3 Matsushita 8FQ7 / 8CG7 Vacuum Tubes Valves Copper Support Rods Lot Of Three Matched Pair 6BL7 black plates

black plates

Tube One measured 63/65 and Tube Two measured 66/64 where minimum (65%) is 50/50

This new old stock-testing matched pair of Ken-Rad 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

Tube One's centering pin is missing and it has been marked for safe and easy insertion

new in box RCA 5750 / 6BE6 tested to spec on our Paul Hart-calibrated TV7/U

3 Matsushita 8FQ7 / 8CG7 Vacuum Tubes Valves Copper Support Rods Lot Of Three Matched Pair 6BL7 black platesThis lot of three Matsushita 8FQ7 8CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measure as follows: 58 62, 64 66 and 70 70 where minimum (65%) is 50 50 and 100% is 77 77 These tubes have four shiny copper support rods; gray plates and excellent flashing. As I write, I am playing them in my Sound Craftsmen RC 2 monoblocks with at 6. 3 rather than 7. 5 volts with