4 US-Made 7B7 Vacuum Tubes Lot Of Four Steven Curtis This matched quad of new
$13.32
Description
This matched quad of new old stock
Tube One measured 1930 micromhos
Tube One measured 54 while Tube Two also measured 54
new in box Sylvania 8LT8 tubes tested to spec on our Paul Hart-calibrated TV7/U
new in box Sylvania 6BX7GT tube tested to spec on our Paul Hart-calibrated TV7
4 US-Made 7B7 Vacuum Tubes Lot Of Four Steven Curtis This matched quad of newThis lot of four US made 7B7 tubes was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 41, 42, 44 and 47, respectively, where (65%) is 43 and 100% is 66. They have mica snubbers for increased vibration resistance and lowered microphonics and great flashing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER
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