4 RCA 6AC7 Vacuum Tubes Valves Lot Of Four Novar Plate Cap new in box Sylvania 7W7

new in box Sylvania 7W7 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900

new in box 7Q7s tested to spec on our Paul Hart-calibrated TV7/U

WE HAVE THOUSANDS OF VINTAGE ELECTRONIC ITEMS

4 RCA 6AC7 Vacuum Tubes Valves Lot Of Four Novar Plate Cap new in box Sylvania 7W7This lot of four RCA 6AC7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 41, 44, 44 and 46 where minimum (65%) is 30 and 100% is 47. 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 NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS.