General Electric GE 12HG7 12GN7 Vacuum Tube Valve NOS NIB 2A5 Sextal T27 Transconductance readings are 44

Transconductance readings are 44

32/38 and 33/36 where minimum (65%) is 25/25

new in box RCA 6HV5A tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 95%/93% and 95%/94% for Tube Two

This tube has narrow

General Electric GE 12HG7 12GN7 Vacuum Tube Valve NOS NIB 2A5 Sextal T27 Transconductance readings are 44This new old stock, new in box GE 12HG7 12GN7 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