Matched Pair RCA 6CL6 Vacuum Tubes Black Plate Triple 3 Mica NOS-Testing August 30 2023 This lot is ideal for

This lot is ideal for art applications and in prototyping a circuit where a tube may be damaged and you need a few who won't be missed if they are damaged

Please see the final picture to read about its full details

This new old stock-testing matched pair of RCA 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Raytheon 12K5 tube tested to spec on our Paul Hart-calibrated TV7/U

There is nothing I can say about this item except that I could not test it

Matched Pair RCA 6CL6 Vacuum Tubes Black Plate Triple 3 Mica NOS-Testing August 30 2023 This lot is ideal forThis new old stock testing matched pair of RCA black plate triple mica 6CL6 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 and 46 where minimum (65%) is 30 and 100% 46. 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