I use Ableton for effects on my guitar when recording. My current set up has me micing up my amp and using my microphone as the input. I want to make a switch to be able to plug my guitar into a USB interface, but more specifically I need one that will allow me to not only record that way but to be able to run my amp as an output. So I want guitar signal to transfer to interface, the interface to run the signal through Ableton, and for the signal to be sent back to the interface and then out through my amp which plays the original signal with the modifications made in Ableton added on. Can anybody point me in the right direction of something that is rather inexpensive that can do this? If not, what are the alternatives?
you'll want one that is mains-powered instead of bus-powered. the bus powered units tend to have dropouts with high SPL material such as an amp, drums, etc.

focusrites are great.
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Quote by underoath0902
The Impact Twin has 1/4" I/O

Can you not just use an adaptor from your computer out into your amp?

How do you mean? I'm rather new at all this stuff and I'm not quite sure where to start.

Thanks so far for the recommendations. I will check them out.
If you just take a 1/8" to 1/4" stereo adaptor (http://www.radioshack.com/product/index.jsp?productId=2102666&CAWELAID=107592771) and go from your computer's headphone jack to your amp with a guitar cable. It's not a high-fi permanent solution, but it sure is your cheapest.

I actually came across this in my internet travels today and thought it would be an even simpler solution than the Twin: http://www.guitarcenter.com/Alesis-iO2-Express-Audio-Interface-105918080-i1533961.gc
My pedalboard is worth more than my car, but that doesn't say much for either.
I've heard of people just running their amp straight into their computer but I've heard that this has caused quite a few issues and destroyed their computer so I was a bit wary about trying it. That link is real intriguing and they have it for 130 off on Amazon. Thank you very much for all the help. I might actually purchase this model.
Focusrite Saffire 6 USB, thank me later.
Current Gear:
LTD MH-400 with Gotoh GE1996T (EMG 85/60)
PRS SE Custom 24 (Suhr SSH+/SSV)
Ibanez RG3120 Prestige (Dimarzio Titans)
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Audient iD22 interface
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Quote by Anonden
You CAN play anything with anything....but some guitars sound right for some things, and not for others. Single coils sound retarded for metal, though those who are apeshit about harpsichord probably beg to differ.
Line 6 HD500


Tascam 2488 Neo.

Both can do what you are looking for.