Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 6C8 This lot of three Sylvania-MANUFACTURED

This lot of three Sylvania-MANUFACTURED number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

I’m playing it now in one of my Radio Craftsman RC-2 mono blocks and it sounds great

ZENITH-LABELED) measured 74/76 while Tube Two measured 76/78 where minimum (65%) is 50/50 and 100% is 77/77

new in box US-made 6GV5 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing it in one of my ArtSound single-ended amplifiers with Steely Dan’s seminal "Aja" album

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 6C8 This lot of three Sylvania-MANUFACTUREDThis new old stock, new in box 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 (GE MANUFACTURED, ZENITH LABELED) measured 74 76 while Tube Two measured 76 78 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 horizontal holes