10 General Electric GE 6SA7 Vacuum Tubes Lot Of Ten

10 General Electric GE 6SA7 Vacuum Tubes Lot Of TenThis lot of ten GE 6SA7 tubes tested was tested on on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows (left to right, top to bottom): 32, 36, 41, 42, 57, 62, 65, 68, 70 and 71 where minimum (65%) is 50 and 100% is 77. 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

but also during World War Two and thereafter when other war contractors needed to fulfill their contracts

new in box National Union 7A5 tubes tested to spec on our Paul Hart-calibrated TV7/U

the first LP is missing

These mesh plate National Union number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

I am playing them in my Stereo 70 and they sound terrific

new in box RCA 6ME8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This beautiful matched pair of engraved base Philco 6H6G tubes was tested on our Paul Hart-calibrated TV7/U for shorts

It has a diamond in its base with a 135 code

7 and 38 milliamps

for a TV7/U and can send me that info

WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES

WE HAVE HAD A DOZEN LESS-THAN-FOUR-STAR REVIEWS OR HAVE LOST A CUSTOMER BECAUSE WE REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER KNEW NOTHING ABOUT TUBE REBRANDING AND CLAIMED THAT SOMETHING MADE