General Electric GE 8156 Vacuum Tube Valve NOS NIB Matched Pair 12SL7 This perfectly-matched pair of RCA

This perfectly-matched pair of RCA gray plate 5763 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

One was made in the Netherlands and the other

phi-shaped top mica spacer

Physical Characteristics:

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

General Electric GE 8156 Vacuum Tube Valve NOS NIB Matched Pair 12SL7 This perfectly-matched pair of RCAThis 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