RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson new in box US-made 17D4

new in box US-made 17D4 tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of two Philco new old stock-testing Majestic gray and silver bottle type / number 38 tubes tested 44 and 49 on our Paul Hart-calibrated TV7/U where minimum (65%) is 26 and 100% is 40

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

US-manufactured Amperex 7699 tube tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson new in box US-made 17D4This new old stock, new in box RCA 14F8 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 CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS OR IF