| Re: Golden ratio for loudspeaker cabinets [message #64318 is a reply to message #64313] |
Wed, 13 October 2010 12:49   |
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Wayne Parham
Messages: 18787
Registered: January 2001
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Illuminati (33rd Degree) |
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Odd shapes help breakup standing waves, yes, much the same as the Golden Ratio proportions do. Both have the same goal. Internal damping from properly placed acoustic insulation helps a lot too.
You can make the height have 1.618-to-1 ratio to the width, and width be 1.618-to-1 with respect to depth. Or you can angle a panel. Or both. Just remember, though, that these are helpful hints, suggestions to put you in the ballpark, so to speak. You may still have a standing wave node that influences response even with Golden Ratio or trapezoidal box shape. For best results, you should measure the cabinet acoustically to be sure, making adjustments as necessary.
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