U52 Rare Marconi ZA 3034 Z Hammersmith arrow—–> black plate cup getter Holy Grail audio valves 5U4G CV575 pair tested 100%U52

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.

Pair Marconi U52 Military grade with white decal on glass bearing codes ZA 3034, very rare and dedicated to all those audiophiles who collect all U52 variation, this is the one to die for! Z made at Hammersmith with arrow —>

Both valves have same design U52 .

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