3 US-Made 6X4 Vacuum Tube Valves Lot Of Three 12JT6 Compactron new in box GE 6BK4

new in box GE 6BK4 / 6EL4 tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of three Sylvania tall base

This new old stock-testing matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

wire or mica snubbers (for low microphonics) and excellent flashing

3 US-Made 6X4 Vacuum Tube Valves Lot Of Three 12JT6 Compactron new in box GE 6BK4This trio of US made 6X4 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas and they measured 36 30, 36 37 and 40 38where minimum (65%) is 40 40. These rectifiers test below the cusp, but should work fine. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHELEC" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE