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Jeep ZJ Crawler Project
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<blockquote data-quote="hispls" data-source="post: 8839246" data-attributes="member: 614752"><p>[MEDIA=youtube]7Gewv9-Qot0[/MEDIA]</p><p></p><p>This was a good 30 second music track for me, you'd start at about 120 seconds for the most consistent tone. </p><p></p><p>Also this depending on your mood. You'll want to get in your 30 seconds before the 1 minute mark or so.</p><p></p><p>[MEDIA=youtube]ODHhWcEdrvg[/MEDIA]</p><p></p><p>My Grand Cherokee LTD I have now peaks 43 sealed 45 with a door open but that's with a B-pillar wall. It may be that is more a function of the box volume. Measure corner to corner, divide by the speed of sound then divide by 2 and 4 and that will give you a rough idea of where you will see half and quarter-wave peaks. </p><p></p><p></p><p>Really depends on your definition of "low". I would not tune above 40hz for any application other than SPL burps. I've generally enjoyed 37-40hz tuning but you may "have" to tune lower if you like to play test tones and half speed """music""" and of course I haven't modeled or tested Evil so I can't really say how that behaves in any particular tuning.</p></blockquote><p></p>
[QUOTE="hispls, post: 8839246, member: 614752"] [MEDIA=youtube]7Gewv9-Qot0[/MEDIA] This was a good 30 second music track for me, you'd start at about 120 seconds for the most consistent tone. Also this depending on your mood. You'll want to get in your 30 seconds before the 1 minute mark or so. [MEDIA=youtube]ODHhWcEdrvg[/MEDIA] My Grand Cherokee LTD I have now peaks 43 sealed 45 with a door open but that's with a B-pillar wall. It may be that is more a function of the box volume. Measure corner to corner, divide by the speed of sound then divide by 2 and 4 and that will give you a rough idea of where you will see half and quarter-wave peaks. Really depends on your definition of "low". I would not tune above 40hz for any application other than SPL burps. I've generally enjoyed 37-40hz tuning but you may "have" to tune lower if you like to play test tones and half speed """music""" and of course I haven't modeled or tested Evil so I can't really say how that behaves in any particular tuning. [/QUOTE]
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