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  1. DIY Subwoofers - General Discussion
    Several of you may be familiar with Collo's DIY Subwoofer Enclosures (www.subwoofer-builder.com)... developed, owned and maintained by Bill "Collo" Collison of Australia. Collo has devoted a good bit of his time in designing and building ported subwoofer enclosures. His plans are to continue...