I have my Denon AVR-3805 setup this way:
1. All speakers set to small, subwoofer-yes
2. Crossover at 120
3. EQ off
4. sub crossover control set to off (so that the receiver handles the crossover.)

Here is the problem:
I get a huge peak (10db+) at 63Hz according to the RS meter and the Rives Audio Test CD 2 (tones are corrected values for RS meter).

But get this, the peak at 63Hz is coming from the mains. Shouldn't there be little or nothing in the 63Hz range coming from the mains with the crossover set to 120 and mains set to small? This happens even if I run the tone and turn the volume control all the way down on the sub. Could there be something wrong with my receiver? This just started happening yesterday-everything was fine last week when I ran the same test.

Any thoughts/comments/solutions appreciated.


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