Sylvania 14B8 Vacuum Tube NOS NIB T17 This lot of two new

This lot of two new old stock

Transconductance measured 58 for Tube One and 59 for Tube Two where minimum (65%) is 40

This matched pair of Hytron black glass 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

Tube Three measured 27

oiled and keeping very good time

Sylvania 14B8 Vacuum Tube NOS NIB T17 This lot of two newThis new old stock, new in box Zenith 14B8 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