down firing subs and clearance

Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=93040
Printed Date: May 11, 2025 at 10:45 AM

Topic: down firing subs and clearance

Posted By: isa-kuruption
Subject: down firing subs and clearance
Date Posted: April 17, 2007 at 9:05 AM

I have heard about clearance requirements (to the side) when doing down firing subwoofers. The equation was, I believe, cone area * (# of subs) / 2. Could anyone confirm this? Also, is this just a general rule of thumb, and if so, could I get away with a number 10-20% smaller?

Thanks.

Replies:

Posted By: bellsracer
Date Posted: April 18, 2007 at 6:49 AM

I"m curious, what do you mean "to the side"? Clearance away from a wall (or whatever) or clearance from say the floor to the sub?

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