Matched Pair RCA 6CL6 Vacuum Tubes Black Plate Triple 3 Mica NOS-Testing August 30 2023 It has gray

It has gray

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

46 and 52 where minimum is (65%) is 36 and 100% is 55

This RCA 872A rectifier tube appears gently-used

Matched Pair RCA 6CL6 Vacuum Tubes Black Plate Triple 3 Mica NOS-Testing August 30 2023 It has grayThis 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