4 Canadian Number / Type 76 #76 Vacuum Tubes Valves Lot Of Four Matched Quad PCF80 RCA-BRANDED 6HG8 / ECF86 tubes

RCA-BRANDED 6HG8 / ECF86 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured a perfectly-balanced 2700/2700 micromhos

78 and 80 where minimum (65%) is 46 and 100% is 71

Tube Two probably has a piece of broken glass in it

4 Canadian Number / Type 76 #76 Vacuum Tubes Valves Lot Of Four Matched Quad PCF80 RCA-BRANDED 6HG8 / ECF86 tubesThis quad of Canadian MANUFACTURED type 76 triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 36, 44, 52 and 60 where minimum (65%) is 36 and 100% is 55. These tubes have black, rounded plates and excellent 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