Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing new in box Sylvania 12AV7

new in box Sylvania 12AV7 dual triodes tested on our Paul Hart-calibrated TV7/U

I am playing them one at a time using a 6C4 to 6J5 adapter in one of my RC-2 monoblocks with Super Furry Animals' "Radiator" and they sound excellent

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

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

These ten Sylvania 29LE6s tested to spec on our Paul Hart-calibrated TV7/U

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing new in box Sylvania 12AV7This 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