3 US-Made Number Type 78 #78 Vacuum Tubes Engraved Hot-Stamped Base Mesh Plate Lot Of Three 6JW8 NOS NIB This pair of National Union

This  pair of National Union black plate 45 output triode was tested on our Paul Hart-calibrated TV7/U for shorts

new in box milspec Ken-Rad JAN-CKR6H6 / VT-90 / 6H6 tubes tested to spec on our Paul Hart-calibrated TV7/U

These tubes have dark

This lot of three US-made 6AG7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

3 US-Made Number Type 78 #78 Vacuum Tubes Engraved Hot-Stamped Base Mesh Plate Lot Of Three 6JW8 NOS NIB This pair of National UnionThese lot of three mesh plate, engraved base number 78 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 40, 50 and 60 where minimum is (65%) is 36 and 100% is 55. 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