7 US-Made 12B4 12B4A Vacuum Tubes Valves Lot Of Seven April 06 2023 new in box matched pair

new in box matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

44 and 46 where minimum is (65%) is 36 and 100% is 55

nonetheless

All tested to spec on our Paul-Hart-calibrated TV7/U

I am playing it in my Musical Paradise MC-3 single-ended integrated amplifier with Badfinger's seminal "No Dice" album and they sound terrific

7 US-Made 12B4 12B4A Vacuum Tubes Valves Lot Of Seven April 06 2023 new in box matched pairThis lot of seven US made 12B4A tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 28, 32, 32, 39, 44, 48 and 51 where minimum (65%) is 32 and 100% is 49. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY