9 Amperex 3A2 Vacuum Tubes Valves NOS NIB Lot Of Nine Martin-in-the-Fields Transconductance: 1400 / 1762

Transconductance: 1400 / 1762

but I don't have any equipment that uses these

I am playing them in one of my Radio Craftsmen SC-2 monoblocks as I write

These four US-made 12SC7 tubes tested as follows on our Paul Hart-calibrated TV7/U:

RCA-BRANDED 6GB5 tube tested to spec on our Paul Hart-calibrated TV7/U

9 Amperex 3A2 Vacuum Tubes Valves NOS NIB Lot Of Nine Martin-in-the-Fields Transconductance: 1400 / 1762These nine new old stock, new in box Amperex 3A2 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 ITEMS UP