Trio RCA Gray Glass 12BY7 12BY7A Vacuum Tubes Valves Passport Records I am playing them as

I am playing them as I write in my Musical Paradise MP-301 MK3 and they sound excellent

A 7 out of 10

This matched pair of new old stock

new in box European-MADE

Trio RCA Gray Glass 12BY7 12BY7A Vacuum Tubes Valves Passport Records I am playing them asThis trio of RCA gray glass 12BY7 12BY7A tubes was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 55 while Tube Two measured 60. Tube Three measured 62. (Minimum (65%) is 46. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY