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» Termpro Audio Forum » Installer's Corner » SPL » 4th and 6th order bandpass

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Author Topic: 4th and 6th order bandpass
dbJeep
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does anyone have any pics? old or new designs?

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TeamSubGoPoof
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of extreme designs?

Or just normal 4th and 6th orders?

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dbJeep
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mostly extreme, unless you have pics of cook's [Smile]

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dbjunkies
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how about pic of 4th/6th order wall?

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dbJeep
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sure.

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gooki
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Gavin
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ok, the front looks nice,now what about the REAL pics? I too would like to see a 4th and 6th order build.

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GbPro2005
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They would near identical to the pics I drew in the other post. Sorry cant help with any other info. Don't know much more about it than that.

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Gavin
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Thanks anyway.. the pics look simple but tuning is my question. how do you tune them? I know it has to be more then just making the ports wider or smaller. [What]

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D-Bass
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basic laws apply. smaller airspace will have a higher resonance. large airspaces may want to resonate lower, but can couple to a higher frequency than expected. each change will affect the "next" chamber differently, even if the volume on that "next" chamber remains the same.
like-wise, basic port rules will apply as well. If using large ports and series tuning, some of the simple basics of tapped horns can be used in estimating the next step.

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