International Servicemaster 6CG8 6CG8A Vacuum Tube Valve NOS NIB JAN0A3 Octal 24 and 24 where minimum

24 and 24 where minimum (65%) is 25 and 100% is 38

Transconductance measured 85 for Tube One and 86 for Tube Two where minimum (65%) is 58

Transconductance measured 77 for both tubes where minimum (65%) is 40

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

International Servicemaster 6CG8 6CG8A Vacuum Tube Valve NOS NIB JAN0A3 Octal 24 and 24 where minimumThis 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