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Woofers Gone Wild

Rega P3 with 301 arm/Sumiko BPS III. Even at lower levels, woofers in my B&W 803's are going nuts, flopping around all over the place (and I would imagine, sucking up lots of juice in the process).

Is there compliance mismatch here? From what I can tell, all should be well within the desired range. But still the woofer action.

TT is equipped with Black Diamond Racing footings, and is well placed. All adjustments on table checked/rechecked.

Am going to have a beer and not think about it for a while. Any others with this situation, or any solutions out there?

Thanks for any help,

Doc
docwoof1961

Showing 1 response by acoustat6

acoustat6
357 posts
 
Hi Ralph, You said you have two 15" woofers per side and that they go to 20 hz, but is not subsonic noise less than 20hz? If your speakers only go to 20 hz and fall off after that would I not be correct that you dont need a filter since there is nothing to filter?

Being a manufacturer I am sure you have the ability to do an in room freq response. I am sure that is the way you know if you speakers are responding down to 20hz. What system did you use for measuring that room response?

Also you said that a 20 hz filter would affect up as high as 200hz. Why would that be so when the filter is filtering from 20 hz down not 20 hz and up?

Bob
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