RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson They tested as follows: 56/32

They tested as follows: 56/32

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

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

54 and 54 where minimum (65%) is 38

new in box GE 12X4 tube -- and three others just like it -- tested to spec on our Paul Hart-calibrated TV7/U

RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson They tested as follows: 56/32This 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