I just had to post this amp that someone has listed on ebay. it says DOA for repairs only. from the looks of this thing it set covered in water for a long time. at least the metal outside panels are in bad shape also along with the interior parts all bad.
https://www.ebay.com/itm/KRIS-600-L...425679?hash=item4b67e2370f:g:UgEAAOSw4aRdL0y7
https://www.ebay.com/itm/KRIS-600-L...425679?hash=item4b67e2370f:g:UgEAAOSw4aRdL0y7