2 US-Made 6H6 6H6GT Vacuum Tubes Valves Milspec NOS NIB Lot Of Two April 12 2020 new in box Zenith 17AY3

new in box Zenith 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

I will test it

plate current

One is an early 1X2

new in box 14A7 tubes tested tested to spec on our Paul Hart-calibrated TV7/U

2 US-Made 6H6 6H6GT Vacuum Tubes Valves Milspec NOS NIB Lot Of Two April 12 2020 new in box Zenith 17AY3These two new old stock, new in box milspec 6H6 tubes 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 "LOWTECHELEC" 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