Ken-Rad CKR-78 Number / Type 78 #78 Vacuum Tube Valve Milspec NOS NIB Bert This new old stock-testing Raytheon

This new old stock-testing Raytheon 6L7 tube was tested on our Paul Hart-calibrated TV7/U for shorts

double-side getters and and absolutely no flashing -- somewhat-disconcerting

This lot of four Tung-Sol 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

where minimum (65%) is 36 and 100% is 55

The Bottlehead calls for a 12AU7 which is a pretty-different tube

Ken-Rad CKR-78 Number / Type 78 #78 Vacuum Tube Valve Milspec NOS NIB Bert This new old stock-testing RaytheonThis milspec (US Navy) Ken Rad CKR 78 type 78 tube 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 TO