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Quick question on passive radiators.

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TheORig View Drop Down
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    Posted: 23 March 2019 at 2:26pm
Hi, Just a quick question on passive radiators.

I understand that the surface area of the passive radiators has to be around twice that of the active driver but which would be the best combination when building a 10" subwoofer and why? (Assuming the enclosure is a cube of the appropriate volume)

10" driver with 2x 10" passive radiators on either side.

10" driver with 2x 12" passive radiators on either side

10" driver with 1x 15" passive radiator on rear.

Thanks in advance


Edited by TheORig - 23 March 2019 at 4:48pm
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snowflake View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowflake Quote  Post ReplyReply Direct Link To This Post Posted: 23 March 2019 at 5:36pm
it depends on how much travel there is in the passive radiator suspension
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Chris Grimshaw View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris Grimshaw Quote  Post ReplyReply Direct Link To This Post Posted: 24 March 2019 at 12:38pm
Assuming equal Xmax, 2x 10" or 1x 15" would be fine. 2x 12" would be overkill, but if you have a particularly powerful active driver and the 12"s don't have so much Xmax, it'll probably be about right.

Dual passive radiators give you the option for force cancellation, so 2x10" would get my vote.

Chris
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www.grimshawaudio.com
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