RCA 6MU8 Vacuum Tube Valve NOS NIB OA2 T35 This new old stock-testing United

This new old stock-testing United Electron 31LQ6 tube tested 120 on our Paul Hart-calibrated TV7/U

Transconductance: 2200 micromhos Transconductance: 2270 micromhos

industrial-grade GE triple mica 6201 (12AT7 / ECC81) dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

solid saucer getters and excellent top and side flashing

These four US-made 3BZ6 tubes tested to spec on our Paul Hart-calibrated TV7/U

RCA 6MU8 Vacuum Tube Valve NOS NIB OA2 T35 This new old stock-testing UnitedThis new old stock, new in box RCA 6MU8 tube tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE 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 SELL ARE OVER 60 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS OR