5 Ken-Rad 6U7 Vacuum Tubes Valves Lot Of Five Quintet 6K Tube One measured 30 while

Tube One measured 30 while Tube Two measured 32 where minimum (65%) is 22

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new in box RCA 6DW4B tubes tested to spec on our Paul Hart-calibrated TV7

This Sylvania 7F7 was tested on our Paul Hart-calibrated TV7/U for shorts

5 Ken-Rad 6U7 Vacuum Tubes Valves Lot Of Five Quintet 6K Tube One measured 30 whileThese five Ken Rad MANUFACTURED 6U7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They tested (from left to right) as follows: 56, 58, 64, 68 and 68 where minimum (65%) is 40. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST