3 US-Made 12SF5 12SF5GT Vacuum Tubes NOS NIB Lot Of Three J-Slot 12AX7-Size 35 and 38 where minimum

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

perforated plates

" Tube one has a brown base and 59-43 date codes while Tube Two has 1-17 date codes and a black base

Is it a Mullard

copper support rods and outstanding flashing

3 US-Made 12SF5 12SF5GT Vacuum Tubes NOS NIB Lot Of Three J-Slot 12AX7-Size 35 and 38 where minimumThese 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