Amperex ECC189 6ES8 Vacuum Tube For Your Schiit Life Beyond Earth This lot of GE black

This lot of GE black plate 6CL6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Both tubes have gray

Tube One measured 55 while Tube Two measured 60

new in box RCA 12AX4 tubes tested to spec on our Paul Hart-calibrated TV7/U

Amperex ECC189 6ES8 Vacuum Tube For Your Schiit Life Beyond Earth This lot of GE blackThis West German Amperex MANUFACTURED, RCA LABELED ECC189 6ES8 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 60 50 where minimum (65%) is 50 50 and 100% is 77 77. This tube has steel support rods; an O getter IX =53 and matte gray plates. As I write, I am playing Pink Floyd's Green Is The Colour" in my Schiit Audio Vali 2 headphone amplifier and it sounds