MARSH IR includes 29 impulse responses captured from a Marshall 4x12 cabinet loaded with Celestion V30 speakers.
The impulses has been captured with 3 different microphones:
Shure SM57 mic (7 impulses).
AKG C451B mic (7 impulses).
SE Electronics R1 Ribbon mic (7 impulses).
 
More over are included 8 IRs ready for mix, created with different positions of different microphones blended together.
Format: 24 bit 44.1 kHz 
 
The impulses are in .wav format so should be used in every IR loader, plugins or hardwares.