U52 Brimar STC Standard Telephones and Cables tall glass patented design ultra rare black plate large pinched cup getter 5U5G tested 100% pair

Description

The U52 aka 5U4G is one of the best selling valve here at Audio Magical.

We had many requests about this valve and its variation.

We thought it is our commitment to show all that is available for this directly heated full wave rectifier that saw the light in the 1940s.

With a rating of 500 Volts on the anode, the U52 remains the best option for any vintage and modern set.

Please browse through all we have including precious Mullard long cone long glass U52 (5U4G) and other variations.

Brimar BVA S.T.C. U52 rare as hen’s teeth! Patented design by Brimar S.T.C. featuring tall glass with large pinched cup getter. We believe there’s nothing better than these valves around. Made in the 1950s they share much in common with the super rare T-Mica 5R4GY you will find for sale on our website.

Tested with AVO VCM 163 with A1=A2 100% emission