Matched Quad RCA 6CL6 Vacuum Tubes Valves RCA Victor LSP-4717 Please note Tube Two’s centering

Please note Tube Two’s centering pin is missing

This tube has anode radiators for cooler operation and longer tube life

I am playing them with adapters (not included) in my Radio Craftsmen RC-2 monoblocks and they sound great

new in box Sylvania 9JW8 / PCF802 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 21LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Quad RCA 6CL6 Vacuum Tubes Valves RCA Victor LSP-4717 Please note Tube Two’s centeringThis matched quad of RCA 6CL6 tubes were tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured (From left to right): 42, 42, 42 and 45 where minimum (65%) is 30. 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 OR HAVE ANY