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wouldn't a -30.0dBFS level sweep with a 75dB target be more appropriate?
No, the closer to full scale, the better the signal to noise of the signal. We're not setting absolute levels with REW, we're using it to measure response and set up equalizers. 75dBSPL is quite appropriate for that.

If this is so, how can REW account for this (or does it already)?
It doesn't, it's up to you to set your levels. REW measures response. Set any levels you like after you've found the proper spot for your subs and mains and room treatments.

brucek
 

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So after equalization and any house curves, just pink noise and SPL meter?
Well, most people simply use their receivers internal test tones to set the relative level of all the speakers and sub before they begin with REW and any equalization. Then after they're finished with REW and EQ, treatments, etc, they touch up the levels again to taste or with the receiver test tones.

You must realize that REW is a mono signal and that all measurements with it are with the receiver in stereo only mode using just the sub, or the sub plus mains. DD, DTS, PLII, multichannel are not a possibility with REW.

brucek
 
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