General Electric JG-6X4WA 6X4 6X4WA Vacuum Tube Rectifier Milspec Black Plates NOS NIB 6KZ8 Nonal T05 It measured 42/49 where minimum

It measured 42/49 where minimum (65%) is 50/50 and 100% is 77/77

WE CANNOT TEST FOR CATASTROPHIC FAILURE

This lot of three Sylvania 12BR7 tubes tested to spec on our Paul Hart-calibrated TV7/U

I have played it in my Musical Paradise 301 MK 3 with an adapter (not included) as a 6SJ7 substitute and it sounds excellent -- airy with excellent dynamics and signal bandwidth

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General Electric JG-6X4WA 6X4 6X4WA Vacuum Tube Rectifier Milspec Black Plates NOS NIB 6KZ8 Nonal T05 It measured 42/49 where minimumThis new old stock, new in box, black plate, milspec GE JG 6X4WA tested to spec on our Paul Hart calibrated TV7 U. 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 EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS