UU60/250 Mazda UU5 R2 UU3 chrome plate directly heated rectifier

Description

The Mazda UU60/250 here shown is among the best and more successful rectifier that saw the light in the 1930s.

The UU60/250 is basically the same as UU3 but with a more sophisticated design.

Anode are wide apart and well made, making this valve as rare as hen’s teeth!

Tested and 100% emission and working order.