RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson 54 and 54 where minimum

54 and 54 where minimum (65%) is 38

They tested as follows: 56/32

Physical Characteristics:

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

It has black plates

RCA 14F8 Vacuum Tube Valve NOS NIB Hill Terry Gilkyson 54 and 54 where minimumThis 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