International Servicemaster 19CG8 Vacuum Tube Valve NOS NIB Valery Agafonov 48 and 49 where minimum

48 and 49 where minimum (65%) is 30 and 100% is 46

new in box GE 33GY7A tubes tested to spec on our Paul Hart-calibrated TV7/U

(New US-made 6AU6s typically test within one standard deviation of 2300 micromhos

They have 9-22 RE5 and 9-22 codes

These five new old stock

International Servicemaster 19CG8 Vacuum Tube Valve NOS NIB Valery Agafonov 48 and 49 where minimumThis new old stock, new in box International Servicemaster 19CG8 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