Ligi,
Are you using the amplifier in the US? If so, shouldn't you be using a 110 volt fuse?
The ONLY Electrocompaniet certified technician in the United States is Heinz. HE is the person in Florida you were referred to. His name is Heinz Preiss. and his website address is: http://www.angelfire.com/biz/grundig/
His contact information is on that page.
Are you using the amplifier in the US? If so, shouldn't you be using a 110 volt fuse?
The ONLY Electrocompaniet certified technician in the United States is Heinz. HE is the person in Florida you were referred to. His name is Heinz Preiss. and his website address is: http://www.angelfire.com/biz/grundig/
His contact information is on that page.