[blackboosty]

Here's some interesting links, depending on how handy you are:

http://www.audiworld.com/tech/elec42.shtml

or

[url]http://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=377/category_id=247/home_id=59/mode=prod/prd377.htm[/url}