U52 Osram 5U4G CV1071 black plate full cup getter pair audio rectifiers tested 100%

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.

Pair of Osram U52 5U4G yellow paper logo with black plate and full cup getter.

Osram U52 tested with AVO VCM 163 with A1=A2 100% emission