Matched Pair RCA 6CG7 / 6FQ7 Vacuum Tubes Valves With Shields And Anode Radiators NOS-Testing February 06 2023 5 milliamps for Tube One

5 milliamps for Tube One and 2070/25

This album was recorded and manufactured in the Soviet Union

hanging filaments

This trio of Toshiba output tubes was tested on our Maxi-Matcher in Real World Conditions with 400 volts on the plates and a bias of -36 volts for shorts

Matched Pair RCA 6CG7 / 6FQ7 Vacuum Tubes Valves With Shields And Anode Radiators NOS-Testing February 06 2023 5 milliamps for Tube OneThis new old stock testing matched pair of RCA Hazy Top 6CG7 6FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and transconductance measured as follows: Tube One: 72 78 Tube Two: 76 77 Bogey: Minimum (65%) is 50 50; 100% is 77 77 Physical Characteristics: Bases: N A Bottles: tall Date Codes: none EIA Factory Codes: none Getters: mid bottle, D Flashing Quality: excellent