Sylvania 12H6 Vacuum Tube Valve NOS NIB Eightynine hydrofluoric acid-etched GE provenance dots

hydrofluoric acid-etched GE provenance dots and excellent flashing

but is fine at all listening levels

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These eleven Philco type 24A mesh plate tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Sylvania 12H6 Vacuum Tube Valve NOS NIB Eightynine hydrofluoric acid-etched GE provenance dotsThis new old stock, new in box GE 6H6 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