Lofty Posted July 27, 2018 Report Share Posted July 27, 2018 Building a box for 4 sundown E8's to go in the trunk to sit flush against the rear seats and port out the rear seat opening (ski pass). The attached picture has a rough draft of the design it is a angled box with dimensions of 36"width x 14"tall x 16"top depth x 24"bottom depth. Volume of each sub camber (RED) is 1.344ft3 and port area (BLUE) is 1.5" wide with a area around 18.75 tuned to around 33-34 hz. Mainly just need to know what happens to that tuning once it reaches the center chamber (with the front of the subs) and out the ski pass. Link to comment Share on other sites More sharing options...
bmwking Posted July 27, 2018 Report Share Posted July 27, 2018 im no jeenyus here by any means, but im fairly confident that what you have designed here is whats known as a 6th order bandpass. your port tuning of 33-34hz will be changed (or something will be changed) by the fact that the subs are firing into the port. i hope one of the gurus can speak up and explain this better. im super curious to know myself. nice design btw, at least aesthetically, i think it's purdy. i hope it works out for ya too! Link to comment Share on other sites More sharing options...
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