General Electric GE 6AX3 Vacuum Tube Valve NOS NIB SMAS-11419 new in box RCA 6BN4A

new in box RCA 6BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

but still usable especially in experimental situations where the tube might be damaged -- on our Paul Hart-calibrated TV7/U

It measured an almost-perfectly-balanced 59/57 where minimum (65%) is 40/40 and 100% is 62/62

54 and 65 where minimum (65%) is 48

They have engraved / hot-stamped bases on is Champion-branded and the other is Zenith

General Electric GE 6AX3 Vacuum Tube Valve NOS NIB SMAS-11419 new in box RCA 6BN4AThis new old stock, new in box GE 6AX3 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 $250 IN