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Old 19th March 2009, 05:06 AM   #1
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Default Anybody know of a preexisting project with these parameters? / Good books?

Hey, I'm looking for a speaker set with these parameters:
Big woofer - 12" would be good, a midrange speaker, and a tweeter. Does anybody know of a site or something with a project like this in it? I just haven't been able to find anything with quite that set of features.

Also can anybody recommend a good book on speaker design? I don't need anything too crazy intense, just a good resource.
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Old 19th March 2009, 05:16 AM   #2
p_eric is offline p_eric  China
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I think The Loudspeaker Design Cookbook is a good book.
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Old 19th March 2009, 03:48 PM   #3
expert in tautology
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Location: New York State USA
Let's keep it simple, and let me try to help if I can.

Those are not parameters.
That's a guess about what might sound good expressed in extremely general terms.
The problem is that the generality is so great that it has no real meaning.

You could have a 12" woofer in a box the size of a refrigerator or in a "bookshelf" sized box, both properly sized depending on the woofer's parameters - and your goals.

FYI, the size of the woofer does NOT in and of itself determine the "bass". For a given size box, a smaller woofer can and often does produce lower frequency bass, while the larger one might play marginally louder - which is usually unimportant.

Suggest you find Parts Express on-line and build a pre-fab design that they sell. That way you don't have to learn about speakers, you can just enjoy the mechanics of building and the the listening.

That would be easiest and best if you want a speaker that you can use and don't want to buy a commercial product, or learn how to DIY one yourself.

_-_-bear -- Btw, I don't actually know anything, FYI -- every once in a while I say something that makes sense... ]
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Old 19th March 2009, 04:55 PM   #4
sreten is offline sreten  United Kingdom
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The more common approach nowadays is to split a big woofer into
two drivers allowing a narrower and more room friendly cabinet.
a couple of 8"ers are ~ equivalent to an 11" driver.


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Old 20th March 2009, 12:43 AM   #5
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Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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Old 20th March 2009, 02:39 AM   #6
This speaker DIY thing, it's pretty addicting!
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Parts Express has a lot of DIY speaker projects. Maybe one of these will work for you.

So does ZillaAudio.

And so does Planet 10.

Maybe one of these will work for you. There are plenty of other sites on the web as well.

Jolida SJ502A, Squeezebox Touch, Paul Carmody's Sunflowers, Jeff Bagby's Continuums; Planet 10 HiFi's MarkAudio A 7.3 Frugalhorns and MarkAudio CHP-70s, Bjorn's PS95 TABAQs
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