Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes NOS NIB Copper Support Rods Top Filaments Headphone Amplifier new in box Sylvania 3Q5GT

new in box Sylvania 3Q5GT tube -- and another just like it -- tested to spec on Paul Hart-calibrated TV7/U

each having four stamped crosses: two upside-down and two right-side up

This new old stock-testing matched pair of Ken-Rad 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

This Radio Shack / Realistic 6JE6C tube tested 80 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

IN WELL OVER 7000 SALES

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes NOS NIB Copper Support Rods Top Filaments Headphone Amplifier new in box Sylvania 3Q5GTThis new old stock, new in box matched pair of GE 6FQ7 6CG7 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 75 77 while Tube Two measured 79 76 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have copper support rods; top O getters, gray ladder plates; top filaments for a nice light show; three horizontal holes underneath and parallel to the