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DIY For Audio
My subwoofer design methods and considerations
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<blockquote data-quote="JimGore" data-source="post: 165306" data-attributes="member: 3"><p>Just to stir the pot a bit more:</p><p></p><p>Consider the observation from the discussion above where the smaller the enclosure, the more amplifier power we need. </p><p>Think about these very impressive commercially available subwoofers with their relatively tiny enclosures, and massive amplifiers:</p><p></p><p>* Velodyne DD Plus 12 uses 1250W RMS amplifier: <a href="http://velodyne.com/shop/subwoofers/shop-by-series/digital-drive-plus-series/digital-drive-plus-12.html" target="_blank">http://velodyne.com/shop/subwoofers/shop-by-series/digital-drive-plus-series/digital-drive-plus-12.html</a></p><p>* Sunfire True Subwoofer EQ 12 Signature uses 2700W amplifier: <a href="http://www.sunfire.com/productdetail.asp?id=8" target="_blank">http://www.sunfire.com/productdetail.asp?id=8</a></p><p>* Paradigm Signature series Sub 2 uses 4500W RMS amplifier: <a href="http://www.paradigm.com/products/products-by-category/subwoofer/signature/signature-series/sub-2" target="_blank">http://www.paradigm.com/products/products-by-category/subwoofer/signature/signature-series/sub-2</a></p><p></p><p>Perhaps not all that impressive now you know where all that power is going ;D</p><p></p><p>I guess to say that you have a subwoofer which has a 4500W RMS amplifier does give you some bragging rights. I think it is far more impressive to get the same SPL levels and frequency response using a twentieth (0.05x) the amount of amplification...</p><p></p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 165306, member: 3"] Just to stir the pot a bit more: Consider the observation from the discussion above where the smaller the enclosure, the more amplifier power we need. Think about these very impressive commercially available subwoofers with their relatively tiny enclosures, and massive amplifiers: * Velodyne DD Plus 12 uses 1250W RMS amplifier: [url=http://velodyne.com/shop/subwoofers/shop-by-series/digital-drive-plus-series/digital-drive-plus-12.html]http://velodyne.com/shop/subwoofers/shop-by-series/digital-drive-plus-series/digital-drive-plus-12.html[/url] * Sunfire True Subwoofer EQ 12 Signature uses 2700W amplifier: [url=http://www.sunfire.com/productdetail.asp?id=8]http://www.sunfire.com/productdetail.asp?id=8[/url] * Paradigm Signature series Sub 2 uses 4500W RMS amplifier: [url=http://www.paradigm.com/products/products-by-category/subwoofer/signature/signature-series/sub-2]http://www.paradigm.com/products/products-by-category/subwoofer/signature/signature-series/sub-2[/url] Perhaps not all that impressive now you know where all that power is going ;D I guess to say that you have a subwoofer which has a 4500W RMS amplifier does give you some bragging rights. I think it is far more impressive to get the same SPL levels and frequency response using a twentieth (0.05x) the amount of amplification... Ian. [/QUOTE]
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My subwoofer design methods and considerations
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