Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 7673 7972

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 7673 7972This 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

Transconductance measured 74 for Tube One and 76 for Tube Two where minimum (65%) is 58

great flashing and goal post getters

shiny black plates and copper support rods

This double CD plays fine

ETSY MAY REIMBURSE YOU EVEN IF IT WAS STOLEN

There are a total of four separate sections

new in box US-made 9003 / JAN-CKR-9003 / VT-203 / JRC9003 tubes tested to spec on our on our Paul Hart-calibrated TV7/U

These two Ken-Rad 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

9 milliamps where new 6L6GCs typically test with plate current from the low 20s to mid 30s and transconductance from 2200 micromhos or so

Tube One: 44/48

It appears brand-new with no scratches and very light surface noise only audible in quiet passages

This new old stock-testing -- and looking