RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate These twelve new old stock

These twelve new old stock

Gain (Mu (µ): 14

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

new in box (for Tube One) matched pair of GE industrial / milspec JAN-5654W / 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U

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

RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate These twelve new old stockThis 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