RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate Transconductance (TV7/U): 54/51

Transconductance (TV7/U): 54/51

Tube One measured 62 while Tube Two measured 69

where minimum (65%) is 32 and 100% is 49

Both tubes measured 69 where minimum (65%) is 55

6 milliamps and transconductance was 2740 micromhos for Tube One

RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate Transconductance (TV7/U): 54/51This new old stock, new in box RCA black plate 6CG7 6FQ7 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 84 74 where minimum (65%) is 50 50 and 100% is 77 77. This tube has steel support rods; a dimpled D getter and matte black plates. There is a shield between the triodes for reduced cross talk. I have played it in my Schiit Vali 2 headphone amplifier and it