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I have a Denon DVD 955 hooked into my Rotel RSX 1057 via SPDIF. I was using my sound meter to set up the speaker levels. My reciever generates its own test tones and I set it up that way. Then I used the Avia test tones and got some pretty different readings. Why would this be and which are better to use?
 

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The readings from your reciever, while fine, are not gonna match the levels you get from a DVD such as avia because they include your source 'the DVD player'. I would use the levels on AVIA to calibrate the levels as the levels in much of the AV equipment is an afterthought and may not be a calibrated source to begin with.
 

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The AVIA tones are of a narrower bandwidth than most receiver tones. It makes it easier for the SPL to read, but one wonders if the wider bandwidth tones are not more representative of the room..


I generally feel the Avia tones are more correct or sound better.
 
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