International Servicemaster 6CG8 6CG8A Vacuum Tube Valve NOS NIB JAN0A3 Octal It measured 96/78

It measured 96/78

new in box Silvertone 6LJ8 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box Sylvania 5U8 tubes tested to spec on our Paul Hart-calibrated TV7/U

These three Sylvania 7J7s tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 1940 micromhos

International Servicemaster 6CG8 6CG8A Vacuum Tube Valve NOS NIB JAN0A3 Octal It measured 96/78This new old stock, new in box International Servicemaster 6CG8A 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