Matched Quad Philips What Miniwatt PCF80 9U8 Vacuum Tubes Valves The Pasadena Roof These three RCA 6MD8 tubes

These three RCA 6MD8 tubes are new old stock

This Sylvania number 76 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box matched pair of GE 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

excellent flashing and what appears to be a US Navy logo on the base

new in box milspec RCA JAN-CRC-884 / VT-222 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Quad Philips What Miniwatt PCF80 9U8 Vacuum Tubes Valves The Pasadena Roof These three RCA 6MD8 tubesThis 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 95 81, 95 84, 96 84 and 96 85, 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 "LOWTECHELEC" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR