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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: Enclosures and Adding Additional Speakers

66.19.2.84

>If a speaker, let's use the Hartley 24" Superwoofer for example, requires 24 cubic feet, would two 24" speakers in the same enclosure require 2x the cubic feet? Or could you use the same enclosure with each speaker working half as hard? I'm EXTREMELY new to DIY, so bear with me if this is a stupid question!<
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Yes putting 2 of your 24" drivers in the same enclosure would require a 2x cuft of a single driver enclosure, if you expect the compound woofer box to perform with the same F3. You could put 2 drivers in an isobarik configuration and use the same cuft as the single diver volume with out sacrificing f3. When using an isobarik configuration Vas becomes 1/2 its original value. When ever you use compound (2) woofers they only excurse 1/2 the distance they would when used as single drivers. Use 4 and each drivers excursion will be 1/4 that of a single driver. Use 8 and 1/8 etc.

Sparkie


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