Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B I have played them in

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

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

32 and 35 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25

Tubes Two through Seven tested 40/38

Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B I have played them inThis 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