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sand in sub box?
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<blockquote data-quote="PV Audio" data-source="post: 6568423" data-attributes="member: 554493"><p>Sand does have its uses as a damping material in enclosures. Proof? Vance Dickason, author of the Loudspeaker Design Cookbook, wrote a few supplementary collections called Loudspeaker Recipes. In LR volume 1, he has a design for a 2-way vented speaker. To limit internal reflections and standing waves, he puts half of a Sonotube section in the rear of the enclosure so that the front and rear baffles are not parallel. That means that on either side there will be air gaps. I thus quote:</p><p></p><p></p><p><a href="http://www.parts-express.com/pe/showdetl.cfm?Partnumber=500-018" target="_blank">http://www.parts-express.com/pe/showdetl.cfm?Partnumber=500-018</a></p><p></p><p>Quoted directly from page 30 //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="PV Audio, post: 6568423, member: 554493"] Sand does have its uses as a damping material in enclosures. Proof? Vance Dickason, author of the Loudspeaker Design Cookbook, wrote a few supplementary collections called Loudspeaker Recipes. In LR volume 1, he has a design for a 2-way vented speaker. To limit internal reflections and standing waves, he puts half of a Sonotube section in the rear of the enclosure so that the front and rear baffles are not parallel. That means that on either side there will be air gaps. I thus quote: [URL="http://www.parts-express.com/pe/showdetl.cfm?Partnumber=500-018"]http://www.parts-express.com/pe/showdetl.cfm?Partnumber=500-018[/URL] Quoted directly from page 30 [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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