Trevor Wilson wrote:

**Everything can be repaired. It just depends on how much you are willing to
spend. Unfortunately, most Cambridge amps use a rather unusual type of
output device, which can only be obtained from the Cambridge.

I fixed a Cambridge amp which had a power amp IC with a crater in it
courtesy of the previous owner. £10 for a Philips TDA1514A off eBay. The
hard and tedious bit is getting the power amp board out of the casing
and getting the heatsink off the ICs.