Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B Tubes Two through Seven tested

Tubes Two through Seven tested 40/38

harp getter with sheet) measured 44 while Tube Two (12B4A

BECAUSE OF THE BIZARRE

I have played them in my Radio Craftsmen RC-2 monoblocks and they sound great

new in box GE 6BD6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B Tubes Two through Seven testedThis new old stock, new in box matched pair of Tung Sol 12SL7 12SL7GT dual triodes was tested on our Pau Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 40 40 for Tube One and 42 46 for Tube Two where minimum (65%) is 32 32. These tubes have beautiful flashing, top, harp getters, crenalated mica spacers and gray, ladder plates. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT