9 Amperex 3A2 Vacuum Tubes Valves NOS NIB Lot Of Nine Martin-in-the-Fields They are dead quiet when

They are dead quiet when just the amplifier is running and have excellent frequency response

Tube One: 54/68

flashing is excellent and the bases appear to be made of micanol

This dutch auction is for the three-lamp light board (Part number 670-7280) for the Tektronix 2430A Digital Oscilloscope

large top and small bottom mica spacers and excellent flashing

9 Amperex 3A2 Vacuum Tubes Valves NOS NIB Lot Of Nine Martin-in-the-Fields They are dead quiet whenThese 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