Yes, it’s Impulse Response day here at Orpheus HQ, and now some for you guitarists out there. One of the very cool things about the new Ampire XT plugin (which has rapidly become my favourite guitar sound plugin bar none) is that not only do you get a choice of several very nice cabinet models with Studio One, you can even load your own custom cabinets! And you can have up to three different IRs with varying mic positions on every preset.
So here are some nice cabinet IRs you can download for free – to use them open Ampire XT in Studio One 2.0 and in the cab drop down menu on the top right select User Cabinet. Then just drag and drop the Impulse Responses on to one of the three IR slots. Most of the IRs listed here have been recorded with several different mic positions, so I recommend loading three different IRs of the cabinet you want, then you can use the Edit Mic function in Ampire to mix and match between them to get the exact sound you need.
I haven’t tested all of these yet, but the ones I’ve tried so far have been great: