Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves JAN-CNU-807 Milspec These five US-made GE 12AQ5s

These five US-made GE 12AQ5s were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 7Y4 tubes in this lot

Nonetheless it worked fine in my MC-3

This new old stock-testing Svetlana 6550B / 6P27 perforated plate output tube was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -48 volts for shorts

24 and 24 where minimum (65%) is 25 and 100% is 38

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves JAN-CNU-807 Milspec These five US-made GE 12AQ5sThis matched pair of Philips Miniwatt PCF80 9U8 tubes was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. They measured 84 74 for Tube One and 87 73 for Tube Two where minimum (65%) is 57 57 and 100% is 88 88. 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