3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon 50 and 58 where minimum

50 and 58 where minimum is (65%) is 36

This lot of four RCA 50Y6 tubes tested to spec on our Paul Hart-calibrated TV7/U

This Amperite 115NO30 relay tube tested to spec on our Hickok 800

only an occasional pop or tick

It has dual O getters

3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon 50 and 58 where minimumThese three US made 6U7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They tested (from left to right) as follows: 38, 40 and 62 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 FORMS OF SHIPPING