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SV Subwoofers 20-39cs Passive Subwoofer.(Evaluation)

Manufacturer: SV Subwoofers LLC, 590 Carlin Drive, Austintown, OH 44515; www.svsubwoofers.com

Price: $479

Source: Manufacturer loan

Reviewer: Thomas A. Nousaine

What the heck is a "passive" subwoofer? Unlike other speakers, most modern subwoofers are powered, which simply means that a power amplifier and electronic crossover come as part of the package. A so-called "passive" subwoofer has all the acoustic stuff but you have to supply the electronics yourself.

Many modern receivers will have a modest electronic crossover. Fancier units such as my Lexicon DC-1 and MC-1 already contain an extensive subwoofer filter, but in either case you still have to ...

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