National Union NU 35 #35 / 51 #51 Vacuum Tube Mesh Plate Shoulder Style NOS NIB Rolling Stones perfectly-matched pair of Ken-Rad 6SJ7s

perfectly-matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

These three 6G6G tubes were tested on our Paul Hart-calibrated TV7 for shorts gas and transconductance

Tube Two (triode): 32

Both tubes have 2-48 SC 471 date/contract codes and are World War Two vintage

new in box RCA 17CK3 tubes tested to spec on our Paul Hart-calibrated TV7/U

National Union NU 35 #35 / 51 #51 Vacuum Tube Mesh Plate Shoulder Style NOS NIB Rolling Stones perfectly-matched pair of Ken-Rad 6SJ7sThis new old stock, new in box National Union 35 51 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