Amperex Bugle Boy ECC189 7308 6DJ8 7DJ8 Vacuum Tube Valve For Your Schiit JAN-CHS-5933 Milspec These matched quad of RCA

These matched quad of RCA milspec JRC-6H6 / 6H6 / VT-90 6H6 tubes was tested on our Paul Hart-calibrated TV7/U

I am playing them as I write in my Radio Craftsmen RC-2 monoblocks with RCA Living Stereo's CD of Bartok's "Concerto For Orchestra

This new old stock-TESTING matched pair of Sylvania 6F6GT tubes was tested on our Maxi-Matcher -- with 325 volts on the plates and a bias of -36 volts -- for shorts

What makes this funny is that a major US defense contractor likely committed a number of felonies by smuggling communist Soviet tubes into the US at the height of the Cold War

slanted-D getters

Amperex Bugle Boy ECC189 7308 6DJ8 7DJ8 Vacuum Tube Valve For Your Schiit JAN-CHS-5933 Milspec These matched quad of RCAThis Amperex Bugle Boy ECC189 7308 6DJ8 7DJ8 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 41 41 where minimum (65%) is 50 50 and 100% is 77 77. This tube has steel support rods; a D getter 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 ethereal, romantic and poignant