Matched Pair General Electric GE Black Plate 6CG7 6FQ7 Vacuum Tubes With Shields Twentyseven TV7 The Ken-rad's base is loose

The Ken-rad's base is loose

new in box Amperex 6R3 / EY8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This book is in very good condition

There were no shorts or gas and they tested as follows:

please select “2” from the quantity box

Matched Pair General Electric GE Black Plate 6CG7 6FQ7 Vacuum Tubes With Shields Twentyseven TV7 The Ken-rad's base is looseThis 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