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Old 24th March 2013, 07:14 AM   #1
diyAudio Member
Join Date: Mar 2013
Location: Ontario Canada
Default rounding inside 90's

Does anyone have experience with removing the 90 degree joints in their enclosure? Whether it be by glassing, 45's, anything at all, pouring resin in on an angle, quarter round, anything. Even just a huge bead of silicon.

I just can't believe leaving the 90's is the best way to go...

Has anyone measured anything with a meter?
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Old 11th April 2013, 08:10 PM   #2
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Location: Northern California
Not that I've measured any performance metrics..... but corner battens are easy to cut on a table saw. On woofer cab's I take 2"-3" strips of baltic ply and miter the edges to 90 degrees included. Makes for strong cabinet corners
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Old 13th April 2013, 12:19 AM   #3
AVWERK is offline AVWERK  United States
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Location: So Calif.
All measurements are taken from where vibration is most likely to occur and the corners are the least likely spot to cause any sound signatures since this area is too small and strong to excite anything meaningful.
If your side and front panels are big in size you would normally dado the sides and cross brace panel to panel with MDF since any kind of fill in the corners as you would suggest would prove meaningless compared to stresses acting on them from the center of the panels
If you think just pouring resin or anything else will counteract and cure vibration, we need to know what dimensions your considering
Whether you dado, 45, biscuit, or spline the corners, the inside 90 is of little consequence really. Adding something there is more emotional than anything and could actualy push a wall vibration higher up in frequency and make it more audible.
We need more information on what your trying to do.

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Old 17th April 2013, 04:50 PM   #4
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Join Date: Mar 2013
Location: Ontario Canada
Thanks for the reply David,

I was thinking more along of the lines of improving airflow (ported cabinet), rather than reducing vibrations.

roughly 7 liter enclosure ported. 3'x2'x3'

3/4" bb with one inch baffle.

not sure about bracing style.

looking for zero unwanted noises (and to obviously maximize output)
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