These are pictures of my speaker box in various stages. It is a compound cavity single reflex enclosure or a band pass box. It houses 2 ORION XTR 12 DVC's in the lower half and 2 ORION XTR 10 DVC's in the upper half. This box was a real pain to build but it was well worth it. It has a real clear sound and covers the lower to upper (40 Hz to about 120 Hz) bass range with no problem.

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