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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: Re: Bass dispersion (dipole versus monopole) makes a significant difference in most rooms posted by freddyi on January 27, 2007 at 15:36:09:
Dipole woofers excite side-wall-to-side-wall and floor-to-ceiling standing waves about 5dB less than monopole speakers, which is a significant reduction. These partial cancellations make the bass more directional and usually more natural sounding. You still get full excitement of front-wall-to-back-wall standing waves and corner-to-corner standing waves.I use a carefully parametrically equalized (for my seating position) monopole subwoofer at home because a standard monopole configuration generates the same bass output with fewer drivers and amplifiers than the relatively inefficient dipole configuration.
Dipole's inherent inefficiency means you need a lot of cone displacement to generate loud bass -- so high Xmax large diamter drivers are usually preferred to keep driver costs and space requirements under control.
Maybe dipoles are not for someone who prefers efficient
speakers --- but the lost efficiency is a good trade off for reduced room reflections (very important for the bass frequency response).Paramteric EQ is useful for eliminating bass peaks at one seating position, and usually improves nearby seating positions too. More distant seating positions may sound worse after EQ.
Dipole configurations effect all seating positions.
Bass traps also effect all seating positions.
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Richard BassNut Greene
Subjective Audiophile 2007
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Follow Ups
- Re: Bass dispersion (dipole versus monopole) makes a significant difference in most rooms - Richard BassNut Greene 09:03:43 01/29/07 (1)
- this is what i was getting at - Dominic 13:05:59 01/29/07 (0)
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