This is a vintage GE 5R4 GYA rectifier amplifier radio electron vacuum tube. It
tested on my TV-7 at 54/50 with minimum values of 40, so good tube.I purchased a LARGE collection of mostly NOS vacuum tubes which I will be listing so be sure to check my other listings.
tested on my TV-7 at 54/50 with minimum values of 40, so good tube.I purchased a LARGE collection of mostly NOS vacuum tubes which I will be listing so be sure to check my other listings.