Musical Fidelity A1:

It all began a few years ago when I sketched out the schematic of my amplifier while servicing it. In response to queries on Usenet, I scanned the drawing for a handful of interested parties which resulted in many discussions about it. Eventually I was persuaded to post the information here and as it happens, the A1 page has been one of the most popular sections over the last few years.

Thanks the numerous contributers who have helped me to make this section more complete. But I still welcome input from anyone who can help with reviews, experiences, links and images, history and clarification of the circuit details...

General Information:

• Introduction and model history.

Technical:

• Construction and disassembly, circuit description.
• Later models.
• Faults and maintenance.
• Mods - improving the performance.

Related Musical Fidelity models:

• The A1 David
• The A1 Final Edition
• The A100 and MA50
• The B200 and MAxxx MOSFET amplifiers

Service and spares:

Musical Fidelity can still service these old amplifiers, but I've heard lots of feedback from people who have gone down this route, and it's universally bad! Sorry MF, but there it is. To be balanced, it's worth saying that these are old products that lead a tough life, so it's perhaps understandable that MF would rather sell you a new product. However, these units are understandibly loved by their owners, myself included. Keeping old MF products alive is the primary aim of these pages.

Currently, life is too busy for me to offer you a repair service. This might change in the future - if so, I'll announce it here. But feel free to ask me for help and advice - there's a chance I can offer some basic assistance.

A better bet would be to contact Jez at Arkless Electronics. He used to work in Musical Fidelity's service dept back in the early 1990's, and is very familar with these products. If you try this, please let me know how you get on - it would be great to post some tesimonials here ;-)