General Electric GE 25Z5 Vacuum Tube Valve 6BK4B Triode THERE WILL BE NO REPLACEMENTS

THERE WILL BE NO REPLACEMENTS FOR LOST PACKAGES OR TUBES THAT FAIL

new in box RCA 8056 Nuvistor tube tested to spec on our Paul Hart-calibrated TV7/U

rounded plates and excellent flashing

They measured 85/66 for Tube One and 85/70 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

General Electric GE 25Z5 Vacuum Tube Valve 6BK4B Triode THERE WILL BE NO REPLACEMENTSThis GE 25Z5 tube was tested on our Paul Hart calibrated TV7 U for emissions, shorts and gas. There were no shorts or gas and it measured as follows: 54 52 where minimum (65%) is 40 40 and 100% is 62 62. IN 2021 WE PURCHASED 150,000 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 OF THE TUBES WE