Matched Pair RCA Cunningham Radiotron Number / Type 49 #49 Vacuum Tubes Shoulder ST Shape Septal T13 This lot of four North

This lot of four North American-made number 78 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Tube One measured 47/44 while Tube Two measured 48/43 where minimum (65%) is 25/25 and 100% is 38

This tube has steel support rods

top D getters and excellent flashing

Matched Pair RCA Cunningham Radiotron Number / Type 49 #49 Vacuum Tubes Shoulder ST Shape Septal T13 This lot of four NorthThis matched pair of RCA Cunningham Radiotron Type 49 output tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 31 and 32 where minimum (65%) is 28 and 100% is 43. They have engraved bases; dimpled sheet getters and terrific flashing. 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