3 US-Made 12DU7 Vacuum Tubes NOS NIB Lot Of Three 8066 8070 8070 8270 6 milliamps

6 milliamps

Transconductance measured 55 for Tube One and 60 for Tube Two where minimum (65%) is 40

Unfortunately it is MISSING ITS CENTERING PIN (please see Picture Four for a close-up) and has been marked for safe-and-easy insertion

Special Features: SC 8762 A (World War Two US Army Signal Corps contract codes)

These five Ken-Rad-MANUFACTURED 6U7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

3 US-Made 12DU7 Vacuum Tubes NOS NIB Lot Of Three 8066 8070 8070 8270 6 milliampsThese three new old stock, new in box US made 12DU7 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