Amperex ECC189 6ES8 Vacuum Tube For Your Schiit Concert Orchestra new in box RCA 6JN6

new in box RCA 6JN6 tube tested to spec on our Paul Hart-calibrated TV7/U

THERE IS RISK IN LIFE

new in box RCA 5Z4 -- and another just like it -- tested to spec on on our Paul Hart-calibrated TV7/U

oiled and keeping very good time

new in box RCA 5AM8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Amperex ECC189 6ES8 Vacuum Tube For Your Schiit Concert Orchestra new in box RCA 6JN6This 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 an outstanding and nearly perfectly balanced 92 93 where minimum (65%) is 50 50 and 100% is 77 77. This tube has steel support rods; an O getter and matte gray plates. As I write, I am playing Pink Floyd's Green Is The Colour" in my Schiit Audio Vali 2