Matched Pair RCA 12J5 12J5GT Vacuum Tubes NOS NIB Social Change In but I have not been

but I have not been able to find a commercially-made amplifier for them and have had no time to build one

anode radiators for cooler operation and longer tube life and gray and silver bottles

likely Tung-Sol-MANUFACTURED) measured 33 where minimum (65%) is 22

These four RCA 6CY5 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Philco 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA 12J5 12J5GT Vacuum Tubes NOS NIB Social Change In but I have not beenThis new old stock, new in box (for Tube Two) matched pair of RCA 12J5GT triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 81 while Tube Two measured 88. Minimum (65%) is 50. They have tall bases; medium bottles; dimple getters; black ladder plates; excellent flashing and copper support rods. One of the tubes has an inert, glass chip inside. WE HAVE SCORES OF