Amperex Bugle Boy 12AU7 12AU7A ECC82 Vacuum Tube Steel Support Rods 6BL7GT RC2 I have played it in

I have played it in my Bottlehead Crack headphone amplifier and it sounded outstanding

black plates and nice hot-stamped bases

mesh plate tubes both tested 32 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

It tested an outstanding 3000 micromhos with a plate current draw of 30

This lot of three RCA-Victor gray glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Amperex Bugle Boy 12AU7 12AU7A ECC82 Vacuum Tube Steel Support Rods 6BL7GT RC2 I have played it inThis Amperex Bugle Boy 12AU7A ECC82 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured a nicely balanced 62 60 where minimum (65%) is 56 56 and 100% is 87 87. It has gray 12MM plates; steel support rods; a sutured top; excellent flashing; a wisp of the Bugle Boy logo and a top O getter. I have played it in my Bottlehead headphone amplifier and it sounds