Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes May 03 2025 TV7/U readings are in (parenthesis)

TV7/U readings are in (parenthesis)

new in box US-made 2X2 / VT-119 / 879 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 12BD6 tubes tested to spec on our Paul Hart-calibrated TV7/U

coated bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

This matched pair of Sylvania-MANUFACTURED 6K6GT tubes was tested on our Maxi-Matcher 400 volts on the plates and a bias of -36 volts for shorts

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes May 03 2025 TV7/U readings are in (parenthesis)This 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 85 82, 101 83, 102 83 and 102 86, respectively. 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 NEED