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What is the best vent air velocity? What is the best sound pressure level?



Just curious im doing a box for a jmf custom 12. It was a dc audio sub converted. Im filling all the required fields per dc audio lvl 5 sub specs. And i run into this parameter pe(w) i assume it is freq resp @ 1(w) which is 82 db... idk for certain though

When designing multiple drivers in one box some items are not clear: Does the box volume apply (enclose) all drivers or just one? Similarly does the port apply to a box enclosing all or one driver? Does the Max power apply to all or one driver? I want to d

Box design 

What is the best box design for selenium 18ws 600?

04 tacoma ext sr5 with 4 12 sa v2 in extended cab im going to take everything out of the extended cab all panels and seats i want to build a enclosure that can fit these at the right volume and sound good while slapping hard af and super low

I have two memphis m71212 going in a 2009 altima. Any suggestions on a custom box build? 

I have two CT sounds ozone 10 inch dual for home subwoofers that I am building a box for. What type of box would you recommend

need help building an enclosure for 2 nemesis hectic v1 and 1 hectic v2    15"  tuned to 30 hz please 

Need help on figuring out what kind of box to build two 3 xl 12 d power base . They are dual voice coil wired Pharrell 12 inch one ohm

Needing a design for under seat in 1999 Ford F-150 extended cab it’s goin to house 4 6.5 skar evl d4 

So I'm building a two sided trapezoid box so there is a couple different angles which I'm all good with but while checking out the cut list I came across a term that I just want to get a definitive answer as to what it's asking before I continue, so can an

Removed all seats except driver in 2008 sentra. Cut out rear deck all the way to windshield added alternate bracing. I have 3 agm 1 lithium battery 320 amp alternator and salt 4 for 2 deafbonce apocalypse db4515r d2 parralel at .5 ohm I have built 2 ported

I want to build a tapped horn, folded horn, Turbo Box