Sequentially swap out:
1) the guitar (i.e. with the same cables try a different axe)
2) all the cables with ones that you know work
Dose the power light on the amp stay lit up after it cuts out ?
What does it sound like, is their a fading out or a crackle and then ... nothing ?
or a reduction in volume and then nothing or just nothing ?
My instructors page and www.studiotrax.net for all things recording.
my toons Brought to you by Dr BadGAS
my toons Brought to you by Dr BadGAS