Matched Pair RCA Black Plate 5763 Vacuum Tubes Globe Bottle Pental These five Ken-Rad number /

These five Ken-Rad number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

rectangular mica and smooth rectangular bottom spacers and excellent flashing

new in box 12FM6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube Two measured 27

Matched Pair RCA Black Plate 5763 Vacuum Tubes Globe Bottle Pental These five Ken-Rad number /This matched pair of RCA black 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 48 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 YOU DO