3 RCA / RCA Cunningham 6A7 Vacuum Tubes Shoulder Shape Lot Of Three T69 new in box Sylvania 8LT8

new in box Sylvania 8LT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Mullard-MANUFACTURED

They measured 20/18 and 35/30

new in box RCA 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6KD6 tube -- and two just like it -- tested to spec on our Paul Hart-calibrated TV7/U

3 RCA / RCA Cunningham 6A7 Vacuum Tubes Shoulder Shape Lot Of Three T69 new in box Sylvania 8LT8This lot of three RCA RCA Cunningham 6A7 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 38, 39 and 46, respectively, where minimum (65%) is 29 and 100% is 45. 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