Sugden Audio

We are delighted to welcome Sugden Audio back into the signals ‘fold’ after an overly long absence.

The company was founded by James Edward Sugden in 1967, a  division of Research Electronics, a company that manufactured scientific instruments and test equipment for Universities.

The A21 was the first amplifier to be put into production and was originally branded for a well known local loudspeaker company called Richard Allan.

The A21 was the worlds’ first production pure class A transistor amplifier and a great success. Read more here

It’s testament to the rightness of the design that today’s A21a amplifier differs only slightly from the ones we were selling 30 years ago. Mind you, they now have remote control and you can order them in colours!

The remote control and generally improved construction techniques mean that these amplifiers are every bit as competitive as they were back then.

Have a look at Audio Esoterica Sudgen Review June2025