Amperex ECC189 6ES8 Vacuum Tube For Your Schiit

Amperex ECC189 6ES8 Vacuum Tube For Your SchiitThis 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

The picture of the movement was taken before it was sent to be serviced

They measured 64 and 64 where minimum (65%) is 45 and 100% is 69

3 milliamps' plate current and measured 2060 micromhos

I am playing them as I write in my Radio Craftsmen RC-2 monoblocks with the Mobile Fidelity version of Pink Floyd's "Meddle" and they sound great

6 milliamps' plate current while Tube Two drew 27

probably from the second half of the 1920s

new in box GE 19CG3 tube tested to spec on our Paul Hart-calibrated TV7/U

It measured a perfectly-balanced 80/80 where minimum (65%) is 50/50

copper support rods and good flashing

Tube Two: 35

This GE 6AS5 tube tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of RCA gray plate 5763 tubes were tested on our Paul Hart-calibrated TV7/U for shorts