General Electric JG-6X4WA 6X4 6X4WA Vacuum Tube Rectifier Milspec Black Plates NOS NIB

General Electric JG-6X4WA 6X4 6X4WA Vacuum Tube Rectifier Milspec Black Plates NOS NIBThis 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

There are five Sylvania 6N7 / 6N7 GT tubes in this lot

These Sylvania 7E6s tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and it tested as follows:

I have played it in my Musical Paradise 301 MK 3 and it sounds excellent -- airy with excellent dynamics and signal bandwidth

(New 807s typically test from the mid teens to mid 30s with transconductance from 2200 micromhos)

mesh plate tubes tested 33 and 34 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

rounded plates and excellent flashing

excellent flashing

Please be sure your device has enough current to run them

One was made in the Netherlands and the other

but I don't have any equipment that uses these

These seven Philco number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U