3 RCA Number / Type 78 #78 Vacuum Tubes Valves Shoulder ST-Shape Lot Of Three Max Steiner Tube One measured 60 while

Tube One measured 60 while Tube Two measured 62 where minimum (65%) is 55 and 100% 85

perfectly-matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

Both are acid-etched

new in box Sylvania 14F7 tube tested to spec on our Paul Hart-calibrated TV7/U

3 RCA Number / Type 78 #78 Vacuum Tubes Valves Shoulder ST-Shape Lot Of Three Max Steiner Tube One measured 60 whileThese three RCA plate number 78 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 32, 44 and 52 where minimum is (65%) is 36 and 100% is 55 and 100% is 55. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE