Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing smooth mica spacer and outstanding

smooth mica spacer and outstanding flashing

This lot of three Sylvania 12BR7 tubes tested to spec on our Paul Hart-calibrated TV7/U

but should work fine

a phi-shaped

This new old stock-testing matched pair of milspec Raytheon black glass VT-107-A / JAN-CRP-6V6-GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing smooth mica spacer and outstandingThis matched pair of Philips Miniwatt PCF80 9U8 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 80 66, 80 70, 80 70 and 82 70, respectively where minimum (65%) is 57 57. 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