5 US-Made 12AQ5 Vacuum Tubes Valves Lot Of Five 25Z5 NOS NIB This Tung-Sol 13DE7 tested to

This Tung-Sol 13DE7 tested to spec on our Paul Hart-calibrated TV7/U

NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS

This matched pair of new old stock

This matched pair of Sylvania gray glass 7C5 tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts

5 US-Made 12AQ5 Vacuum Tubes Valves Lot Of Five 25Z5 NOS NIB This Tung-Sol 13DE7 tested toThese five US made GE 12AQ5s were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 54, 64, 64 and 68 where minimum (65%) is 46. 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. 1. MOST FORMS