2 Sylvania 12AV7 Vacuum Tubes NOS NIB Lot Of Two Joachim Grubich coke-bottle-shape glass envelopes and terrific

coke-bottle-shape glass envelopes and terrific flashing

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

but not in guitar amps and other environments with loud noise and/or excessive vibration

64 and 64 where minimum (65%) is 50 and 100% is 77

The dust jacket is in nice condition

2 Sylvania 12AV7 Vacuum Tubes NOS NIB Lot Of Two Joachim Grubich coke-bottle-shape glass envelopes and terrificThis 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