7 US-Made 12B4 12B4A Vacuum Tubes Valves Lot Of Seven April 06 2023 I am playing it in

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

nonetheless

This Cunningham narrow bottle 25Z5 tube was tested on our Paul Hart-calibrated TV7/U for emissions

This lot of three US-made 7F7 tubes was tested on our Paul Hart-calibrated TV7/U and measure as follows:

new in box Philco 7A5 tube tested to spec on our Paul Hart-calibrated TV7/U

7 US-Made 12B4 12B4A Vacuum Tubes Valves Lot Of Seven April 06 2023 I am playing it inThis 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