Iīm so proud to present to you the Multicab Sim cabinet simulator..
here is the soundclip:
http://www.goear.com/listen.php?v=bec1880setup: squier strat, burning crunch, multicab sim, sound card
Till 0:30 the multicab sim is off, then, i put it in, and wow!!
check the last seconds.. really cool cabinet simulation..
check the variety of kinds of speakers it can reproduce..i absolutely love it!!
this is the final schem:

NOTE: the opamp is a dual TL072/62/82 ,thereīs no 4558..
adding a volume control is not a bad idea..iīm happy with just the gain control...