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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 davidsss

davidsss
43 posts
 
I have woofer pumping too. My TT is well isolated. Although it is very near one of my speakers it is on a sandbox. I tried an experiment, bought a cheap very long cable, and put the TT in another room. It didn't help at all. The thing is that the pumping I get is different depending on the record being played. My solution was to stop worrying about it although the KAB rumble filter does look tempting - do you put it between the phono stage and the amp?

DS
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