Trying to hook up to use REW w Apple laptop

**bcharlow** · **07-20-09, 02:58 PM**

I understand that it takes an external soundcard to operate the REW software with the Radio Shack SPL meter. My son has a recent vintage Apple laptop that has the mic in port, but that's not supposed to work. He doesn't have a soundcard per se, but what he does have is an M-box 2 with Protools software. He doesn't know how (or if) it will work with the REW, but you might, since this is some kind of common music/digital input device like a soundcard for Apple computers.

Can you help?

Thanks.

**brucek** · **07-20-09, 03:12 PM**

Is it USB or Firewire?

brucek

**bcharlow** · **07-20-09, 03:35 PM**

USB, he says.

**brucek** · **07-20-09, 03:54 PM**

There have been a few posts from people using the digidesign mbox products on mac (USB only), and it seems like the biggest problem is ensuring all the features and monitoring are shut off.

You use the line-in and line-out (right channel) for REW. See if you can accomplish the soundcard calibration routine and get a good file from that. It only involves connecting a single loopback from line-out to line-in on the right channel and running the soundcard cal routine. If successful, then the rest is easy.

brucek

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