General Electric GE 7A4 Vacuum Tube Milspec NOS NIB

General Electric GE 7A4 Vacuum Tube Milspec NOS NIBThis new old stock, new in box GE milspec 7A4 tube 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 ITEMS UP TO

This lot of four GE 6AX4GT rectifier tubes were tested on our Paul Hart-calibrated TV7/U for shorts

The pressing is quite-quiet with little surface noise and only the occasional pop and tick

THERE WILL BE NO REPLACEMENTS FOR LOST PACKAGES

Tube One measured 63/65 and Tube Two measured 66/64 where minimum (65%) is 50/50

It has eight quarter inch holes on the bottom to assist convective cooling

This Super Silvertone 6J7G tube was tested on our Paul Hart-calibrated TV7/U for shorts

anode radiators for cooler operation (and longer tube life) and hot-stamped/engraved bases

I have listened to them in my Radio Craftsman RC-2 mono block amplifiers and they sounded excellent

new in box Trigon UCH81 tube tested to spec on our Paul Hart-calibrated TV7/U

There are nine new old stock

This (low side of) new old stock-testing Canadian GE 12SN7GT dual triode was tested on our Hickok 600A for shorts

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts