3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon chamfered O getters and rectangular

chamfered O getters and rectangular radiators for cooler operation and longer tube life

only an occasional pop or tick

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

top O getters and large anode radiators for cooler operation and extended tube life

3 US-Made 6U7 Vacuum Tubes Valves Lot of Three Raytheon chamfered O getters and rectangularThese 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