Concert Master 12A5 Vacuum Tube Valve NOS NIB

Concert Master 12A5 Vacuum Tube Valve NOS NIBThis Concert Master 12A5 tube tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. BECAUSE OF THE BIZARRE, INTRUSIVE 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

top to bottom): 42/34

There are five US-made 6N7 tubes in this lot

new in box Super Silvertone 1LB4 tube tested to spec on our Paul Hart-calibrated TV7/U

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

50 and 50 where minimum (65%) is 30 and 100% is 46

I am playing them in one of my Radio Craftsmen RC-2 monoblocks as I write and they sound excellent

Tube One: 20 milliamps' plate current

bayonet-base sockets

I have listened to all four LPs

WE HAVE ACCESS TO THE SAME INFORMATION YOU DO AND IT IS YOUR RESPONSIBILITY TO DEAL WITH THE USPS SHOULD THERE BE DELAYS OR LOSS OF A SCANNED PACKAGE

old-fashioned

This perfectly-matched pair of GE nickel plate 6AU6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts