tony sayer wrote:

I reckon you'd be well pushed to improve of the Audiolab excellent
amplifier even at 20 years old)..

You must be living in a very weird world then. Its design is utterly
'agricultural' by today's standards. It's barely any better than a decent
semiconductor manufacturer's application note of that era. Frankly it's a joke.
Plus any one you can find will need total re-capping of the electrolytics.

Graham (pro-audio designer with 37 yrs experience)