This looks like a nice easy well laid out project!

[J0K3RX]

Marshall DRP-1 (Direct Recording Preamp) complete with headphone amp and speaker simulation...

http://www.matsumin.net/diy/jisaku1/DRP-1/index.html

http://www.matsumin.net/diy/jisaku1/DRP-1/index2.html

[mremic01]

Marshall DRP-1とは？

In another life I used to be a Japanese major, but zenbu wasurete shimatta'n da.

So what is it exactly? A clone of an actual Marshall product, or simulation of a particular amp?

[J0K3RX]

Google translate is a plugin in the Chrome browser... Translates to English automatically. It's a clone of an actual Marshall product.

Youtube..

[deadastronaut]

^ shame the demo's are crap, probably doesn't do it justice..