U52 Mullard CV575 ribbed plate square getter holy grail brown base double top mica tested 100% matched pair

Description

Both 5U4G and  U52 are 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 5U4G U52 remains the best option for any vintage and modern set.

Please browse through all we have

Considered the Holy Grail of most U52 ever made we offer a pair of CV575 U52 5U4G with ribbed plate and square getter.

Made in limited quantity with an excellent rectification.

CV575 have two layers on top mica

Code on glass 7C1 J51 on one valve

Mullard CV575 5U4G U52 tested with AVO VCM 163 with A1=A2 100% emission