3 US-Made 12SF5 12SF5GT Vacuum Tubes NOS NIB Lot Of Three J-Slot 12AX7-Size Both have REI date codes

Both have REI date codes

5 record cleaner and then played it on my Rega Planar P1

top O getters

Is it a Mullard

35 and 38 where minimum (65%) is 26 and 100% is 40

3 US-Made 12SF5 12SF5GT Vacuum Tubes NOS NIB Lot Of Three J-Slot 12AX7-Size Both have REI date codesThese three new old stock, new in box US made 12SF5 12SF5GT 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