2 RCA 25Z5 Vacuum Tubes Valves Lot Of Two June 13 2025 It is a strange bird

It is a strange bird with well over an inch of space above the top mica spacer

Transconductance measured 46 where minimum (65%) is 36 and 100% is 55

new in box Tung-Sol 12SJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

5 milliamps Plate current draw: 21 milliamps

Both have REI date codes

2 RCA 25Z5 Vacuum Tubes Valves Lot Of Two June 13 2025 It is a strange birdThis lot of two RCA 25Z5 tubes were tested on our Paul Hart calibrated TV7 U for emissions, shorts and gas. There were no shorts or gas and they measured as follows: 44 50 and 52 50 where minimum (65%) is 40 40 and 100% is 62 62. 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.