Those little amps are solid and were awesome. They don't make them like that anymore. I had I believe a Punch 75 for a while back in the day.
What are you replacing it with ???
Current : 2013 Mini Countryman JCW
Past: '88 E30 M3, '69 BMW 2002 Ti, 2000 328i, Audi A6 TT, BMW X5 3.0i , Audi A4, Mini Cooper Clubman S 1.8T