Matched Pair Cunningham 6SJ7 Vacuum Tubes Number Type Shoulder (New US 6L6GCs typically test

(New US 6L6GCs typically test with plate current from the low 20s to mid 30s with transconductance from 2200 micromhos or so

One is Wards -branded and the other is Zenith

Tube one measured 30 in its triode section where minimum (65%) is 25 and 100% is 38

new in box GE 6BW11 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair Cunningham 6SJ7 Vacuum Tubes Number Type Shoulder (New US 6L6GCs typically testThis matched pair of Cunningham 6SJ7 tubes was tested on our on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 for Tube One and 46 for Tube Two where minimum (65%) is 40 and 100% is 62. They have 9 22 RE5 and 9 22 codes, respectively. 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