5 RCA 6AF4 6AF4A Vacuum Tubes NOS NIB Lot Of Five January 16 2024 This new old stock-testing engraved

This new old stock-testing engraved base

This RCA 0A4G regulator tube tested to spec on our Paul Hart-calibrated TV7/U

42/44 and 45/46 where minimum (65%) is 33/33 and 100% is 51/51

5 record cleaner and then played it on my Rega Planar Three with an Ortofon X5-MC cartridge

Five are Sylvania and one is National Union

5 RCA 6AF4 6AF4A Vacuum Tubes NOS NIB Lot Of Five January 16 2024 This new old stock-testing engravedThese five new old stock, new in box RCA 6AF4A tubes 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