4 RCA 12L6 12L6GT Vacuum Tubes Valves Lot Of Four 3AW3 Octal They were made by Ken-Rad

They were made by Ken-Rad although one is branded "Crosley

This Western Electric 347A will be tested on our Paul Hart-calibrated TV7/U for shorts

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

Transconductance measured an underwhelming-but-well-balanced 40/42 where minimum (65%) is 50/50 and 100% is 77/77

new in box Amperex 3A2 tubes tested to spec on our Paul Hart-calibrated TV7/U

4 RCA 12L6 12L6GT Vacuum Tubes Valves Lot Of Four 3AW3 Octal They were made by Ken-RadThis quad of RCA 12L6GT tubes was tested on our Paul Hart calibrated TV7 U or shorts, gas and transconductance. There were no shorts or gas. From left to right, they measured 59, 63, 67 and 70, respectively, where minimum (65%) is is 45 and 100% is 69. 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