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Use your Mac as an amplifier
Authored by: mav.rc on Dec 16, '03 01:34:51PM

Arekkusu is probably right, this won't sound very good without a pre-amp between instrument and Macintosh. That said, this hint is a GREAT tip for those of us who were just looking for a way to pass audio through from input to output! I never knew how to do this before.

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Audio Input Play-through
Authored by: robleach on Jan 04, '04 06:59:53PM

Absolutely! Up until now, I'd been using Sound Studio to accomplish this via its audio settings, but I'd always have to keep it running any time I wanted to set the play-through.

Play-through used to be an option in Mac OS 9 and earlier in the control panels and I was disappointed when it seemed to disappear in OS X.

I like to hook my radio up to my computer via the mic jack so I can take advantage of the speakers I have hooked up to the computer. Plus, it allows you to be able to record from the radio and know what you're getting.

One warning though - if your radio is hooked up via a different power strip or wall outlet from the computer and/or speakers, you will probably get a lot of low-pitched feedback. This is called a ground-loop caused by the different resistance potentials of the different outlets. You can either avoid this by plugging everything into the same power strip, or you can use a ground-loop isolator. I've found though that using the same power strip is a lot better than using a ground-loop isolator which doesn't completely eliminate the hum.

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