RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate Gain (Mu (µ): 14

Gain (Mu (µ): 14

Etsy will indicate the number available

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

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

RCA Black Plate 6CG7 6FQ7 Vacuum Tube With Shields NOS NIB For Your Schiit 6X5 Black Plate Gain (Mu (µ): 14This 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