Search:

this one

by this one conductor -

http://www.youtube.com/watch?v=sN21c9RX1zA

http://www.youtube.com/watch?v=EtW40OtK_KA

the man who designed the adcom amps has desiged others as well.



you may find something easy to build, from his designs,

in this forum, utilizing parts from the amp you now have
...