U52 Marconi 5U4G type 10E/373 Z code with arrow Military grade cup getter black base 5U4G CV575 CV1071 pair tested 100%
Mullard U52 10/E373 military grade £ 600 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.
Pair Marconi U52 military grade with code on glass 10E/373.
Z on glass made at Hammermsith works in the early 1950s. Decal still present and legible, clean top and in perfect shape and working order.
Tested with AVO VCM 163 with A1=A2 100% emission
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