SP43/U Cosmos ShortPath Half Wave rectifier chrome plate balloon very rare

Description

Limited edition 1930s made at Mazda works the Cosmos ShortPath S.P. 43/U.

It is one of the best and captivating valve rectifier made in the early 1930s, stunning to look at.

Both sections of the anode are together making it a half-wave rectifier and keeping the solid 4-pin base.

We offer two models of the same valves.

Both tested 100% emission and working order.