3 RCA 6K7 Vacuum Tubes Lot Of Three Milspec Black Plates One is milspec

One is milspec

new in box GE 6AC7 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am listening to it with Pink Floyd's "Obscured By Clouds" and it sounds great in my Schiit Audio Vali 2 headphone amplifier

This Sylvania 7F7 was tested on our Paul Hart-calibrated TV7/U for shorts

3 RCA 6K7 Vacuum Tubes Lot Of Three Milspec Black Plates One is milspecThis trio of RCA 6K7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 34, 52 and 61 where minimum (65%) is 36 and 100% is 55. These tubes all have small logos. 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