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-   -   Sealed enclosure questions.. (http://www.diyaudio.com/forums/multi-way/139002-sealed-enclosure-questions.html)

Defo 20th February 2009 07:22 PM

Sealed enclosure questions..
 
Hey,

I'm about to build a sealed box for my two Klipsch RF-82 woofers, and I wondered..

Should each woofer be in a separated chamber by themselves, or both in the same chamber? Whats more common?


- Defo

gedlee 20th February 2009 08:22 PM

If they see the same signal then the same chamber is fine - better in fact.

badman 20th February 2009 09:51 PM

Quote:

Originally posted by gedlee
If they see the same signal then the same chamber is fine - better in fact.
Better how? I've seen analysis that showed no significant benefit to separating chambers, but what's the upside?

Pan 20th February 2009 10:23 PM

If the small signal parameters are identical you can safely use the same volume (especially if you mount the woofers symetrical) If not it's better to use separate volumes.

I assume you are going to connect the woofers in parallel? This means that they will not affect eachother electrically if you use a voltage source (read typicall solid state amp).

By using separate volumes you don't need to worry about any mechanical/acoustic imbalances either.

Things is that if the woofers is not identical regarding small signal parameters they will load eachother mechanically.

The effect (if any) would likely be small though.


/Peter

gedlee 20th February 2009 10:52 PM

Quote:

Originally posted by badman


Better how? I've seen analysis that showed no significant benefit to separating chambers, but what's the upside?


I was simply thinking of less wood taking up space, nothing profound.

Defo 21st February 2009 12:45 AM

Quote:

Originally posted by gedlee
If they see the same signal then the same chamber is fine - better in fact.
Yep, they are both fed by the same signal. Will use the same chamber then. Thanks! :)

badman 21st February 2009 02:54 AM

Quote:

Originally posted by gedlee



I was simply thinking of less wood taking up space, nothing profound.


Awww, mannnn!! I was hoping you'd say something about reflected sound through the cone :clown:


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