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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: Wildly Occillating Woofers between bands on LPs posted by iguana2 on May 13, 2001 at 15:01:49:
Adding to the comments below, which I agree with.Rumble can also be caused by the turntable itself -- simply bearing noise. A good table should not produce rumble, but it could have a bearing problem. (Does yours require lubrication? Is it loose?)
LF woofer pumping (usually seen on vented speaker system, because their woofer(s) are essentially unloaded at subsonic frequencies) can also be the result of arm cartridge mis-match. Very high compliance cartridge with a fairly massive arm.
A subsonic filter is the way to go in any event. Many phono pre's have them built in (Black Cube); others have them switchable.
If you have acoustic feedback problems, experiment with different volume levels and relative placement of the 'table and speakers before spending big $$ on isolation. DIY devices suggested sound like a good alternative.
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- Re: Wildly Occillating Woofers between bands on LPs - Bruce from DC 17:07:08 05/14/01 (0)
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