Matched Pair RCA Clear Top 7AU7 Vacuum Tubes Valves NOS NIB 6SN7 Substitute With Adapters February 14 2024 I have played it in

I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great

These tubes have black plates

mica snubbers for increased rigidity and lowered microphonics and excellent flashing

Etsy will indicate how many remain in this Dutch auction

It measured 69/65 where minimum (65%) is 50/50 and 100% is 77/77

Matched Pair RCA Clear Top 7AU7 Vacuum Tubes Valves NOS NIB 6SN7 Substitute With Adapters February 14 2024 I have played it inThis new old stock, new in box matched pair of RCA Clear Top 7AU7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 78 73 while Tube Two measured 81 72 where minimum (65%) is 58. I am playing them in my Sound Craftsmen RC 2 monoblock amplifiers with the included adapters and they sound outstanding. They are dead quiet when just the amplifier is running and