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Discussion Starter · #1 ·
In a 7.1 speaker setup how do you go about calibrating the two rear channels seperately?


I recently bought the Harmon Kardon AVR8000 I know it's best to calibrate your speakers with source test tones such as Avia or VE. I have Avia, VE and Sound & Vision Home Theater TuneUp disks. I think Sound and Vision sends the rear channel test tone to both rears at the same time. I'm not sure because although I have the 7.1 receiver, external 2ch amp and the speakers my in-wall wire to the two rear speakers hasn't been run yet.


Also, using EZset on the AVR8000 requires setting the volumn at -15. But if I use the internal test signals to manualy set speakers without using EZset to calibrate and then recheck using VE and my SPL meter I must turn the volumn up to 0 for the level to read 75db.


Does this mean that 0 is the actual reference level of the AVR8000 for use with external test material?
 

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I calibrate my Lexicon MC-1 using the internal test tones. When I first got it I only had 5.1 and I calibrated using Video Essentials and then for fun used the internal test tones. I got the EXACT same results. At that point I figured the internal test tones were pretty damn accurate and used them from then on.


Not sure what Logic7 would do with the calibration tones from a 5.1 test disc. Interesting thing to check, surprised I never thought of that before.
 

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Discussion Starter · #3 ·
Thanks erikk,


I figured I could use one of my test disks to calibrate all but the rears. Then check spl levels I get on the spl meter using those adjustments and then adjust the rears to the same spl levels using the internal test signal.
 
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