Samson MM01 measurement mic + RoomEQ wizard+ Mbox ? - Home Theater Forum and Systems - HomeTheaterShack.com

 
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post #1 of 2 Old 07-17-08, 02:32 PM Thread Starter
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Roko
 
Join Date: Jul 2008
Location: NYC
Posts: 81
Samson MM01 measurement mic + RoomEQ wizard+ Mbox ?

Hello,

I am kind of newbie to the calibration and would like to measure the frequency response of my speakers.

I have:

Macbook Pro with RoomEQ Wizard software;
Samson MM01 measurement microphone;
Radio Shack 33-2055 SPL Meter;

Has anyone worked with this setup, if yes how would I set it up and calibrate it ?
I don't really know where to start from.

Mbox Has 2 inputs and 2 outputs.

So I plug the mic into channel 1+ phantom power mic in/line out, and channel 2 loop to output L.
Output R i split in two to the speakers with the Y cable ?

If this step is right, what do i do then ?
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post #2 of 2 Old 07-17-08, 06:24 PM
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brucek
 
Join Date: Apr 2006
Posts: 7,514
Re: Samson MM01 measurement mic + RoomEQ wizard+ Mbox ?

You definitely need to read The REW HELP FILES and also see the REW Connection Basics thread.

Your Mac has stereo line-in and line-out capability, so it should be fine.

If you plan to use the Samsom microphone, you'll require a calibration file for it. We have the calibration file for the Radio Shack meter on the download page, but not for the Samson mic. You'll need one.

You'll need a couple breakout adapters to get access to the right channel. This is the only channel you'll be using. You will first connect a cable from line-out right to line-in right and do a soundcard calibration. Once completed, the file is saved and loaded into REW, and then you take a measure of the loopback cable, and it should be ruler flat.

That should get you started.

brucek
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mbox , measurement , mm01 , roomeq , samson , wizard+

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