sony str dh 820 amp

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Aug 10, 2019
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i have a new sony 820 amp and boston speaker system,i have set it up using the supplied mic and have the crossover at 120(boston recommendation)but i am getting siblance!Anyone with a solution?
 

f1only

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Apr 7, 2010
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Is that through all speakers or just the subwoofer? how loud is it?

Another recommendation is after the initial setup, use an SPL meter ( use a tripod with it ) to check speaker levels using the test signal from the amp at your required sweet spot.
 
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Anonymous

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centre speaker only,may be the auto calibration,options are full flat,front reference and off,to get rid of it i have it at off but then the sound is "flabby"
 

f1only

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I've just had a quick read of the manual check page 93 about hums & noises, if you dont have the manual you can see / download the PDF version online Here

The auto callibration options shouldnt give it a hum effect after its completed & youve exited the function, so i would double check all the speaker connections are good.

Regards..
 

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