Matched Pair RCA 6FQ7 / 6CG7 Vacuum Tubes

Matched Pair RCA 6FQ7 / 6CG7 Vacuum TubesThis matched pair of RCA 6FQ7 6CG7 dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas and their readings are as follows: Tube One measured 61 60 while Tube Two measured 63 65 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates; side D getters and excellent flashing. As I write, I am playing them with adapters (not included) in my Alan Eaton single ended

staggered gray plates

INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH IT -- WE NO LONGER SHIP TO GERMAN ADDRESSES

It measured a perfectly-balanced 75/75 where minimum (65%) is 50/50

essentially

Both were made during World War Two with M-R V4R codes

This lot of three Philco 25Z5 tubes were tested on our Paul Hart-calibrated TV7/U for emissions

new in box Sylvania 12DQ6 / 12DQ6B / 12GW6 tube tested to spec on our Paul Hart-calibrated TV7/U

where minimum (65%) is 29 and 100% is 45

These three GE 12SG7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

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I HAVE HAD TWO OR THREE LESS-THAN-FIVE-STAR REVIEWS OR HAVE LOST A CUSTOMER BECAUSE I REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER KNEW NOTHING ABOUT TUBE REBRANDING AND CLAIMED THAT SOMETHING MADE BY TUNG-SOL AND BRANDED BY EMERSON WAS MADE BY EMERSON

new in box 6SR7 tubes tested to spec on our Paul Hart-calibrated TV7/U