Please advise! I want to fix my parents AudioLab sound system.

Please help!

My parents have an AudioLab 8000p and 8000c separate pre and power amp.

The system served them well for many years but a while ago a fuse went on the house fuse board. The speaker let out a massive bang and the pre/power amp stopped working, despite the fact they were meant to have overload protection.

They were originally very expensive so they seem worth repairing, but at the same time I don't want to spend lots of money to be told it's not repairable etc.

I would love to fix this for them but have no idea where to start as I don't know much. Any advice would be much appreciated!

Thank you!