Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes Brimar NOS NIB rectangular mica spacers and gapped-D

rectangular mica spacers and gapped-D getters

new in box milspec black plate GE 6Y6GT / JAN-CG-6Y6GT tubes both tested 56 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62

They have top D getters

Transconductance was 1620 for Tube One and 1730 for Tube Two where new/nominal is within one standard deviation of 1900

There are practically-no pops and ticks

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes Brimar NOS NIB rectangular mica spacers and gapped-DThis 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