Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes Copper Support Rods NOS-Testing 6BH11 NOS NIB 30 and 3o where minimum

30 and 3o where minimum (65%) is 23

Tube Five (triode): 46

new in box Raytheon 6BA11 tubes tested to spec on our Paul Hart-calibrated TV7/U

68 and 68 where minimum (65%) is 45

excellent flashing and a top

Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes Copper Support Rods NOS-Testing 6BH11 NOS NIB 30 and 3o where minimumThis new old stock testing matched pair of General Electric GE 12SN7 12SN7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 82 82 and Tube Two measured 85 84 where minimum (65%) is 50 50. Both tubes have gray, ladder plates; side horseshoe getters; crenelated, gapped, top mica spacers with smooth sided rectangular bottom mica spacers; copper support rods