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Plans for an SPL Box, optimum tuning frequency? Trying to pass 150dB
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<blockquote data-quote="VWBobby" data-source="post: 8248693" data-attributes="member: 624844"><p>Here's a little hint that few guys seem to use here in the US, but is very popular in the UK....</p><p></p><p>Try to make as many hard surfaces inside of the cabin to reflect sound towards the meter. All these floppy panels, soft interiors, vinyl, rubber, etc ABSORB sound... The last thing you want to do is absorb sound for SPL. Fiberglass or hard door panels, hard dash, etc would all give you the max SPL compared to a floppy interior absorbing 5-10+++ DB... I have seen single sub setups that can push well over 150DB and not need nearly as much power as we use in the US. Efficiency is an easy way to win an SPL comp while using the same amount of power on tap.</p></blockquote><p></p>
[QUOTE="VWBobby, post: 8248693, member: 624844"] Here's a little hint that few guys seem to use here in the US, but is very popular in the UK.... Try to make as many hard surfaces inside of the cabin to reflect sound towards the meter. All these floppy panels, soft interiors, vinyl, rubber, etc ABSORB sound... The last thing you want to do is absorb sound for SPL. Fiberglass or hard door panels, hard dash, etc would all give you the max SPL compared to a floppy interior absorbing 5-10+++ DB... I have seen single sub setups that can push well over 150DB and not need nearly as much power as we use in the US. Efficiency is an easy way to win an SPL comp while using the same amount of power on tap. [/QUOTE]
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Plans for an SPL Box, optimum tuning frequency? Trying to pass 150dB
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