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Enclosure Design & Construction
under seat low depth box, port it?
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<blockquote data-quote="Alex JB" data-source="post: 5240434" data-attributes="member: 602795"><p>I'm making an underseat box that's 11 x 5.125 x 31 inside. That's as big as I can get it under the trucks rear passenger side.</p><p></p><p>I only have about 300wRMS over 2 channels and am planning on some shallow ish mount appropriately power sized dual coil 10"</p><p></p><p>That works out at about .975 cu ft. is it worth trying to build an 'S' shaped baffle port like in the free box designs here or should I just get a plastic tube port?</p><p></p><p>Or just go sealed and add some wadding?</p><p></p><p>I'm thinking of going with the RE10</p><p></p><p>RE audio suggest 0.6 - 1.0 cu ft ported box for the RE10</p><p></p><p>anyone work out how long a port I'd need with it being up to 5" x ?"</p><p></p><p>Electrical Q Value -Qes: 0.39</p><p></p><p>Mechanical Q Value -Qms: 4.37</p><p></p><p>Total Speaker Q Value -Qts: 0.36</p><p></p><p>Free Air Resonance -Fs: 21.5 Hz</p><p></p><p>Equivalent Compliance -Vas: 75.6 liters</p><p></p><p>One-Way, Linear Excursion -Xmax: 12 mm</p><p></p><p>Efficiency -SPL 1W/1m: 84.7 dB SPL</p><p></p><p>Effective Piston Area -Sd: 322 cm^2</p><p></p><p>DC Resistance -Re: 3.2 ohm</p><p></p><p>Nominal Impedance -Znom: Dual 4 ohm</p><p></p><p>Thermal Power Handling -Pe: 175 W</p><p></p><p>Force Factor -Bl: 15.4</p></blockquote><p></p>
[QUOTE="Alex JB, post: 5240434, member: 602795"] I'm making an underseat box that's 11 x 5.125 x 31 inside. That's as big as I can get it under the trucks rear passenger side. I only have about 300wRMS over 2 channels and am planning on some shallow ish mount appropriately power sized dual coil 10" That works out at about .975 cu ft. is it worth trying to build an 'S' shaped baffle port like in the free box designs here or should I just get a plastic tube port? Or just go sealed and add some wadding? I'm thinking of going with the RE10 RE audio suggest 0.6 - 1.0 cu ft ported box for the RE10 anyone work out how long a port I'd need with it being up to 5" x ?" Electrical Q Value -Qes: 0.39 Mechanical Q Value -Qms: 4.37 Total Speaker Q Value -Qts: 0.36 Free Air Resonance -Fs: 21.5 Hz Equivalent Compliance -Vas: 75.6 liters One-Way, Linear Excursion -Xmax: 12 mm Efficiency -SPL 1W/1m: 84.7 dB SPL Effective Piston Area -Sd: 322 cm^2 DC Resistance -Re: 3.2 ohm Nominal Impedance -Znom: Dual 4 ohm Thermal Power Handling -Pe: 175 W Force Factor -Bl: 15.4 [/QUOTE]
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under seat low depth box, port it?
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