RCA 0A4 0A4G Vacuum Tube Valve NOS NIB Transleteronic Tube One measured 30 while

Tube One measured 30 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 49

coke-bottle-shape glass envelopes and terrific flashing

They have O getters

This lot of three US-made number 78 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Both tubes have thin cracks in their bases

RCA 0A4 0A4G Vacuum Tube Valve NOS NIB Transleteronic Tube One measured 30 whileThis RCA 0A4G regulator 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 VALUE. IF AN