Matched Pair General Electric GE Black Plate 6CG7 6FQ7 Vacuum Tubes With Shields VT86 T67 5 record cleaner and am

5 record cleaner and am playing it as I write on my Rega Planar 1

a top crenelated

46 and 50 where minimum (65%) is 30 and 100% is 47

There were no shorts or gas and it measured 36/46 where minimum (65%) is 32/32 and 100% is 49/49

This lot of three Western European PCF802 / 9U8 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair General Electric GE Black Plate 6CG7 6FQ7 Vacuum Tubes With Shields VT86 T67 5 record cleaner and amThis pair of GE black plate 6CG7 6FQ7 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 61 60 while Tube Two measured 68 68 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods and top, harp shaped getters and anode radiators for cooler operation and longer tube life. There is also a shield between the triodes for reduced cross