3 RCA 6K7 Vacuum Tubes Lot Of Three Milspec Black Plates These tubes all have small

These tubes all have small logos as well as 048

crenelated rectangular mica spacers

Tube One: 72/78

They tested as follows: 40/32

One is milspec

3 RCA 6K7 Vacuum Tubes Lot Of Three Milspec Black Plates These tubes all have smallThis 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