DM500 feed back on 550c

[cockney]

hi members, I am have some trouble with feed back and my 500c is making a low buzzing nose which get loader when turned up. I have changed the cable feed but no luck , could it be the tranformer. any ideas .

[cgscott]

Try your scart connection or try using an auxillary cable to see if theres any difference.

I had this problem and mines was a dodgy scart lead.