Sylvania 6FW5 Vacuum Tube Valve NOS NIB Nonal T05 new in box matched pair

new in box matched pair of GE-MANUFACTURED 12SL7 / 12SL7GT dual triodes was tested on our Pau Hart-calibrated TV7/U for shorts

It has dual D getters

Transconductance measured 64 for both tubes where minimum (65%) is 40

There are eleven new old stock

Sylvania 6FW5 Vacuum Tube Valve NOS NIB Nonal T05 new in box matched pairThis Sylvania 6FW5 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 VALUE. IF AN ITEM IS