Matched Pair RCA 5763 Vacuum Tubes Sylvania 12AV7 This lot of six GE

This lot of six GE 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

5 amps for their filaments as compared to

There were no shorts or gas and it tested as follows:

new in box RCA 1AC5 tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

36 and 48 where minimum (65%) is 29

Matched Pair RCA 5763 Vacuum Tubes Sylvania 12AV7 This lot of six GEThis perfectly matched pair of RCA gray plate 5763 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 and 44 where minimum (65%) is 35. These tubes have gray plates and nice flashing. 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