Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes NOS NIB Copper Support Rods Top Filaments 3 12V6 Lot Of Three I am playing them with

I am playing them with adapters (not included) in one of my Radio Craftsmen RC-2 monoblocks and they sound great

These three RCA large logo 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 46/49 where minimum (65%) is 25 and 100% is 38/38

these tubes were made in the Soviet Union during the Cold War and as such should be great for Godless Death Metal music

Matched Pair General Electric GE 6FQ7 / 6CG7 Vacuum Tubes NOS NIB Copper Support Rods Top Filaments 3 12V6 Lot Of Three I am playing them withThis 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 measured 72 74 while Tube Two (Zenith LABELED) measured 74 73 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