3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon It has dual O getters

It has dual O getters

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

These five US-made 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

only an occasional pop or tick

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

3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon It has dual O gettersThese 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