3 Sylvania 6F5 6F5GT Vacuum Tubes Valves Lot Of Three Sixcgseven new in box matched pair

new in box matched pair of RCA 12SL7 / 12SL7GT dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

5 milliamps' plate current and measured 2760 micromhos

They tested as follows: 60

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3 Sylvania 6F5 6F5GT Vacuum Tubes Valves Lot Of Three Sixcgseven new in box matched pairThese three Sylvania 6F5s 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: 35, 37 and 44 where minimum (65%) is 25. 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 QUESTIONS. 1. MOST FORMS OF