5 Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Lot Of Five 9JW8 T14

5 Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Lot Of Five 9JW8 T14This lot of five Toshiba MANUFACTURED 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 49 56, 49 65, 57 52, 70 79 and 75 76 where minimum (65%) is 50 50 and 100% is 77 77. They have gray plates; O getters; copper support rods and excellent flashing. As I write, I am playing them in my Sound Craftsmen RC 2 monoblocks at 6. 3 rather than 7. 5 volts

9 milliamps

Etsy will indicate how many are available in this Dutch Auction

I am playing them in my Bottlehead Crack headphone amplifier as I write

I am playing them in my Mini Mite 2013 and they sound great

Tube One Transconductance: 45/45

STOLEN AND LOST

Transconductance measured 56/56 for Tube One and 58/58 for Tube Two where minimum (65%) is 25/25 and 100% is 38

This tube has anode radiators for cooler operation and longer tube life

The 1P21 is missing a pin

Support Rods: copper

They measured 86/82

new in box GE 6AL7GT tubes tested to spec on our TV7