5 Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Lot Of Five 9JW8 T14 Transconductance measured 56/56 for Tube

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

The 1P21 is missing a pin

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

They measured 86/82

5 Toshiba 8FQ7 8CG7 6FQ7 6CG7 Vacuum Tubes Copper Support Rods Lot Of Five 9JW8 T14 Transconductance measured 56/56 for TubeThis 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