2 Sylvania 12AV7 Vacuum Tubes NOS NIB Lot Of Two Joachim Grubich I have played it in

I have played it in my Bottlehead Crack headphone amp and it sounds great

top O getters and large anode radiators for cooler operation and extended tube life

They were also Apex-Matched with readings very-similar to our own

new in box GE 6AC7 tubes tested to spec on our Paul Hart-calibrated TV7/U

coke-bottle-shape glass envelopes and terrific flashing

2 Sylvania 12AV7 Vacuum Tubes NOS NIB Lot Of Two Joachim Grubich I have played it inThis pair of new old stock, new in box Sylvania 12AV7 dual triodes tested 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