RCA 6U8 6U8A 6KD8 Vacuum Tube Valve NOS NIB US-Made Nonal where minimum (65%) is 36

where minimum (65%) is 36 and 100% is 55

9 milliamps where new 6L6GCs typically test with plate current from the low 20s to mid 30s and transconductance from 2200 micromhos or so

This CD played fine in my Denon DCD-1650AR

These seven US-made 5V6GT tubes tested as follows on our TV7/U: 40

Tube One measured 73/75 while Tube Two measured 75/76 where minimum (65%) is 56/56 and 100% is 87/87

RCA 6U8 6U8A 6KD8 Vacuum Tube Valve NOS NIB US-Made Nonal where minimum (65%) is 36This new old stock, new in box RCA 6U8A (ECF82 6AX8 5KD8 6KD8) pentode triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 96 78. Minimum (65%) is 57 57 and 100% is 88 88. As I write, I am playing it using an adapter (not included) in our Dynaco Stereo 70. It sounds great with Pink Floyd's "Obscured By Clouds," replicating this album's nuances and dynamic range with