5 Ken-Rad 6U7 Vacuum Tubes Valves Lot Of Five Quintet 6K 2 milliamps and transconductance was

2 milliamps and transconductance was 2460 micromhos for Tube One (Raytheon-BRANDED)

They tested 54

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

This lot of four new old stock

5 Ken-Rad 6U7 Vacuum Tubes Valves Lot Of Five Quintet 6K 2 milliamps and transconductance wasThese 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