3 US-Made Number Type 78 #78 Vacuum Tubes Valves Engraved Hot-Stamped Base Mesh Plate Lot Of Three Tung-Sol 6L6 double-side getters and and absolutely

double-side getters and and absolutely no flashing -- somewhat-disconcerting

52/52 and 54/54 where minimum (65%) is 40/40

This new old stock-testing matched pair of milspec RCA 1619 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

These two milspec Chatham Electronics 6H6 / JAN-CAHG-6H6-WGT tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This new in box JJ 6BQ5 was tested on our Maxi-Matcher with 325 volts on the plates and a bias of -14 volts for shorts

3 US-Made Number Type 78 #78 Vacuum Tubes Valves Engraved Hot-Stamped Base Mesh Plate Lot Of Three Tung-Sol 6L6 double-side getters and and absolutelyThese 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. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUR ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT