Matched Pair RCA Black Plate 5763 Vacuum Tubes Globe Bottle Pental (Transconductance: / where the TV7/U

(Transconductance: / where the TV7/U minimum (65%) is 56/56

rectangular mica and smooth rectangular bottom spacers and excellent flashing

35 and 43 where minimum is (65%) is 36 and 100% is 55 and 100% is 55

new in box matched pair of RCA 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

new in box milspec RCA JAN-CRC-12SW7 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA Black Plate 5763 Vacuum Tubes Globe Bottle Pental (Transconductance: / where the TV7/UThis 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