mockingbird said in a previous post (above);
"There's a thread over at BadCaps with a list of which caps need to be replaced
with different values."
For convenience, I will note the URL here;
http://www.badcaps.net/forum/showthread.php?t=38878

Totally forgot about this post I started. Anyway....
I have put the card on hold, as I have bought a couple of other sound cards in the past number of months.
(really hard/timeconsuming to dust something like these cards up, here in Denmark).

For the Caps'. I have replaced them all, those surrounding the amplifier.
I have even replaced the amplifier-chip, and resoldered the OPL-Chip, were it was a bit rusty.
Just to see if it had anything to do with this.
For now, the card is hanging on the wall at my retro-corner, just for decorative purpouse.
As well as my old AWE32 CT-2760, wich just died for no obvious reason, running Monkey-1.