5R4GY Brimar made in England logo black plate ribbed plate code 3J4 and 3J6 on top glass CV717 tested 100% MINT pair

Description

The Brimar 5R4GY is one of the best valves made by the famous British company which was also part of STC.

Like all vintage valves back those days there were different variations made over the decades, we try to grab what we can!

The Brimar 5R4GY is a high voltage rectifier, with a rating stated by Brimar at 180 Watts

Unlike the US made, the UK made Brimar  have ribbed plate with ribbon filament supported by spring.

Brown base with white letters on glass and the lovely old style BRIMAR logo

Code for these valves is on top glass 3J4 and 3J6

Tested with AVO VCM 163

Brimar 5R4GY CV717 tested A1=A2 100% emission