I have the day off today. Here's what I did this morning: a few dynamic vocal mics .. on a guitar cab. a pisspoor guitar cab and pisspoor guitar. in a pisspoor room. also i'm a pisspoor guitar player. now that you've been warned... i have a guitar looper so i set up a loop, and started swapping mics. all were positioned nearly identically.. about 10" from the center of the cone, directly on axis. link1 audix om2 link2 shure beta58 link3 ev nd767a link4 shure sm57 link5 another sm57 link6 senn e604 mic -> onyx 1640 -> g5 mac -> tracktion -> 16bit aiff -> ~190vbr mp3 enjoy!