Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes May 03 2025 new in box RCA 1AC5

new in box RCA 1AC5 tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

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 US-made 117L7GT / 117M7GT 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:

Matched Quad Philips Miniwatt PCF80 9U8 Vacuum Tubes May 03 2025 new in box RCA 1AC5This 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