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View Full Version : Sub Box Angles and Reflections


Tim Walter
August 14th 03, 12:33 PM
Hi there

In reading through the archieves of previous posts, I've seen a trend
in oppinion for having non-cubed sub boxes. I was wondering if any of
you have some information on how angles and sound waves interact in
that environment. Some basic questions I have are:

Are there any minimum/maximum angles between to surfaces that one
wants to use in box construction?

Is there a percieved output level increase with such a design?

Do certian angles increase standing wave or phase issues?

Of what importance is it to have the surface directly behind the
speaker basket angled? And would you want this piece further diffused
in shape with bracing, etc?

Do opposite angles that are parallel to each other (like a trapazoid)
yeild any benifit or fault?

Anyone build a triangle box?


Thanks for your time - I'm about to build a new box for a sub i have
coming in and would like to make it special... deviate from the cube
for once...

Tim Walter

Kevin McMurtrie
August 14th 03, 06:41 PM
In article >,
(Tim Walter) wrote:

>Hi there
>
>In reading through the archieves of previous posts, I've seen a trend
>in oppinion for having non-cubed sub boxes. I was wondering if any of
>you have some information on how angles and sound waves interact in
>that environment. Some basic questions I have are:
>
>Are there any minimum/maximum angles between to surfaces that one
>wants to use in box construction?
>
>Is there a percieved output level increase with such a design?
>
>Do certian angles increase standing wave or phase issues?
>
>Of what importance is it to have the surface directly behind the
>speaker basket angled? And would you want this piece further diffused
>in shape with bracing, etc?
>
>Do opposite angles that are parallel to each other (like a trapazoid)
>yeild any benifit or fault?
>
>Anyone build a triangle box?
>
>
>Thanks for your time - I'm about to build a new box for a sub i have
>coming in and would like to make it special... deviate from the cube
>for once...
>
>Tim Walter

The sub enclosure shape doesn't matter for anything car sized. The
sound waves are too big.

Nousaine
August 15th 03, 11:21 AM
(Tim Walter) wrote:



>
>In reading through the archieves of previous posts, I've seen a trend
>in oppinion for having non-cubed sub boxes. I was wondering if any of
>you have some information on how angles and sound waves interact in
>that environment. Some basic questions I have are:

At frequencies if interest enclosure shape isn't an issue.