Sylvania Number / Type 37 #37 Vacuum Tube NOS NIB Anton Grigoriev This new old stock-testing matched

This new old stock-testing matched pair of Ken-Rad 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

It has a top

It measured 36/39 where minimum (65%) is 18/18 and 100% is 28/28

" "Water In The Lake

new in box Sylvania Gold Brand industrial 6AL5 / 5726 / 6097 tubes tested to spec on our Paul Hart-calibrated TV7/U

Sylvania Number / Type 37 #37 Vacuum Tube NOS NIB Anton Grigoriev This new old stock-testing matchedThis new old stock, new in box Sylvania Number 37 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