[KJP]

If your handy with a soldering pencil/gun you can repair them yourself. 95% of the time it's the capacitors. I did mine and a few spares. Below are some useful links.

Ken

http://zr1corvette.blogspot.com/2011...aker-amps.html
http://www.zr1netregistry.com/Portals/0/Bose2.pdf

http://www.zr1.net/forum/showthread.php?t=20380
https://www.rx7club.com/interior-ext...-guide-885516/