Sylvania 12H6 Vacuum Tube Valve NOS NIB Eightynine I LISTEN TO THESE TUBES

I LISTEN TO THESE TUBES IN TUBE EQUIPMENT

but is fine at all listening levels

The board and lens comprise one unit

hydrofluoric acid-etched GE provenance dots and excellent flashing

Transconductance measured 45 in Section One and 50 in Section Two for Tube One and 50/44 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

Sylvania 12H6 Vacuum Tube Valve NOS NIB Eightynine I LISTEN TO THESE TUBESThis 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