RCA 0A4 0A4G Vacuum Tube Valve NOS NIB Transleteronic new in box and tested

new in box and tested to spec on our Paul Hart-calibrated TV7/U

It is probably a Mullard

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

They have O getters

Both tubes have thin cracks in their bases

RCA 0A4 0A4G Vacuum Tube Valve NOS NIB Transleteronic new in box and testedThis 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