Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB VT269 a dimple-sheet getter and outstanding

a dimple-sheet getter and outstanding flashing

This matched pair of RCA 12SN7GTB dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

It has a dimpled

perfectly-matched pair of Sylvania 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box GE 38HE7 tube tested to spec on our Paul Hart-calibrated Hickok TV7/U

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB VT269 a dimple-sheet getter and outstandingThis new old stock, new in box nearly perfectly matched pair of GE MANUFACTURED 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 76 74 while Tube Two (GE MANUFACTURED, ZENITH LABELED) measured 76 76 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have copper support rods; top O getters, gray ladder plates; excellent flashing and three