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HELP! This is making NO sense!
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<blockquote data-quote="Torquem" data-source="post: 7071792" data-attributes="member: 610546"><p>I am going to have an enclosure built tomorrow and the information that I have on the subwoofer is making absolutely no sense to me. I need someone that really knows what they are talking about to interject. I bought an eclipse SW8010 and the way they present the info is confusing. Rather than giving figures like "displacement" and "net internal volume" they simply give this info -</p><p></p><p>recommended internal enclosure volume - 2 cuft</p><p></p><p>tuning frequency - 33 hz</p><p></p><p>internal height - 18.5</p><p></p><p>internal width - 12.5</p><p></p><p>internal depth - 20</p><p></p><p>port opening area - 2"x12.5" (25 squared)</p><p></p><p>Port length - 28.5</p><p></p><p>I'm used to seeing sub requirements in a completely different way and I cannot make sense of it. I need to change the shape of the enclosure and retain the internal volume and tuning frequency but I am unable to extrapolate anything from the info above.</p><p></p><p>If it helps the TS parameters are</p><p></p><p>nominal impedance - 4 ohms</p><p></p><p>Voice coil DCR - 3.3 ohms</p><p></p><p>FS - 21hz</p><p></p><p>Qms - 5.25</p><p></p><p>Qes - 0.39</p><p></p><p>Qts - 0.36</p><p></p><p>Vas - 28 L</p><p></p><p>MMS - 356g</p><p></p><p>Xmax - 22mm</p><p></p><p>Dia/Sd - 347 cm2</p><p></p><p>BL/No - 20 Tm</p><p></p><p>1 watt SPL - 86 dB</p></blockquote><p></p>
[QUOTE="Torquem, post: 7071792, member: 610546"] I am going to have an enclosure built tomorrow and the information that I have on the subwoofer is making absolutely no sense to me. I need someone that really knows what they are talking about to interject. I bought an eclipse SW8010 and the way they present the info is confusing. Rather than giving figures like "displacement" and "net internal volume" they simply give this info - recommended internal enclosure volume - 2 cuft tuning frequency - 33 hz internal height - 18.5 internal width - 12.5 internal depth - 20 port opening area - 2"x12.5" (25 squared) Port length - 28.5 I'm used to seeing sub requirements in a completely different way and I cannot make sense of it. I need to change the shape of the enclosure and retain the internal volume and tuning frequency but I am unable to extrapolate anything from the info above. If it helps the TS parameters are nominal impedance - 4 ohms Voice coil DCR - 3.3 ohms FS - 21hz Qms - 5.25 Qes - 0.39 Qts - 0.36 Vas - 28 L MMS - 356g Xmax - 22mm Dia/Sd - 347 cm2 BL/No - 20 Tm 1 watt SPL - 86 dB [/QUOTE]
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