After my recent 5 channel build
i was is sore need of a little low end filler. This system is not for hard core listening, but the mid drivers don't do much under 200hz so you definitely notice that something's missing.
I had a 10" JL sub that i was considering adapting for the job. But it's currently sitting in a custom fiberglass box i made for my wrx and i'm thinking of maybe selling the car soon... target audience for that car would probably appreciate it if i threw that in with the sale, so i figured i might try something else. Before i had much of a chance to research my options, PI stepped in with an incredibly generous offer to donate a few 8"s he wasn't using. Very much appreciated sir
My goal is to make something visually appealing and matching in looks to the 5 channels it will compliment. I've never built a dual-opposed design, and i'm not sure this qualifies (there is no shared chamber), but attached are some Sketchup renders of what i have in mind. It will be two separate ported chambers, one for each sub, with the drivers facing eachother and the ports facing eachother.
The subs in question are car-audio models and are very showy, with big writing on the front... This is not a showy system so i would like to minimize their display somewhat. Bottom firing is also an option, but i thought this idea seemed unique and kind of cool. I plan to make some cloth grilles to cover the subs as well.
Each ported enclosure will be about 0.4cuft... i knocked a little off for driver displacement and came up with the attached WinISD model, tuned around 50hz. Note that ports will actually be external to the chamber, hidden in the curved 'legs' on the sides of the enclosure. I tried larger chambers tuned lower, but they didn't model well in my opinion.
Kind of curious to hear feedback... the open space between the subs will be a relatively large cavity, but still, the fact that they fire into a somewhat confined space is the biggest question mark in my head. I might give it a shot regardless of feedback
but i'd still like to hear what the drawbacks might be.