Posts Categorized: Audio

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Common Problems With Equalization

The market is full of automatic equalizers and other equalization solutions that promise the world.  Beware of the following problems with any solution you choose.: Local optimization instead of multiple seats Poor solution accuracy Does nothing to solve other common problems with subwoofer setup Too little focus on the effect on speaker distortion Losing settings on power failure… Read more

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Optimizing a Multiple Subwoofer System

I would consider running the CARA design software to optimize at least the subwoofer locations in your room within your constraints for the primary seats. After positioning the subwoofers I would manually optimize the phase and level with each subwoofer individually and then combined to get the smoothest frequency response near the crossover and below… Read more

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Subwoofer Equalization

Subwoofer equalization is a useful thing to do. Many tools are available on the market to do this.  The key thing to realize is that many of the low frequency problems in your home theater are caused by the room itself.  Trying to use an equalizer to solve room problems will have very local success at best. … Read more

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Auralex Subdude Transforms Bass

The Auralex SubDude is a great product for reducing vibrations between the subwoofer and floor.  This product will help tighten up your bass if you have anything, but a concrete slab for a floor.

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Polarity Errors In Surround Systems

I work on many surround systems every year and find a surprisingly large number of polarity errors.  These mistakes are sometimes wiring errors by the installer or consumer, but frequently they are in the equipment itself.  I suspect many manufacturers are not checking the polarity of the product after assembly.   Human assembly of speakers and… Read more