11 RCA 6D6 Vacuum Tubes Valves Gray Glass Lot of Eleven Type 27 By Brand This matched pair of new

This matched pair of new old stock

an anode radiator for cooler operation and longer tube life and a banded-cross top mica spacer

gray ladder-plates

new in box RCA 12AJ6 tube tested to spec on our Paul Hart-calibrated TV7/U

and dynamics

11 RCA 6D6 Vacuum Tubes Valves Gray Glass Lot of Eleven Type 27 By Brand This matched pair of newThese 11 RCA gray glass 6D6 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured (from left to right, top to bottom) 39, 43, 44, 45, 46, 48, 56, 56, 58, 60 and 60 where minimum (65%) is 40. 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