Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing a phi-shaped

a phi-shaped

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

This historical recording sounds pretty good

smooth mica spacer and outstanding flashing

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

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes See other listing a phi-shapedThis 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