Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 7673 7972 9 milliamps where new 6L6GCs

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

This double CD plays fine

Tube One: 44/48

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

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

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes Copper Support Rods NOS NIB 7673 7972 9 milliamps where new 6L6GCsThis 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