General Electric GE 8156 Vacuum Tube Valve NOS NIB Matched Pair 12SL7 Tube One measured 40/44 while

Tube One measured 40/44 while Tube Two measured 42/46 where minimum (65%) is 25/25 and 100% is 38

Tube Two tested 24

phi-shaped top mica spacer

Physical Characteristics:

new in box RCA 6LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 8156 Vacuum Tube Valve NOS NIB Matched Pair 12SL7 Tube One measured 40/44 whileThis new old stock, new in box GE 8156 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 $250 IN