Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B 6SL7s can sub for 6SN7s

6SL7s can sub for 6SN7s in some amps but I do not recommend experimenting as they have very-different bias voltages

This lot of nine new old stock

BECAUSE OF THE BIZARRE

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

Matched Pair Tung-Sol 12SL7 12SL7GT Vacuum Tubes Valves NOS NIB 1X2B 6SL7s can sub for 6SN7sThis 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