Hi mate, I messaged you on YouTube, not sure if you go on there much ?
Anyway sorry to bother you but I have a b&w zeppelin gen 1, I got it not working, changed 3 caps and it now works but I’m getting a low du du du du du like motor boating with any cable I plug into AUX it does it with my iPad, and phone and without anything on the cable is there something failed is it an easy fix?

Regards
Gary