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While I posted many questions on this project on the technical talk forum, I finally finished my OS MTM "Boombox" for lack of a better phrase. After reading this forum for days and being totally inspired by the "Cougar" boombox, I wanted to build something similar but that didn't require the mobility, volume, and was a bit more "living-room friendly." After much research on settled on the OS MTM's for the LR and Surrounds, and augmented the low end with a Dayton 8" DVC SD215A-88. It took alot of time and I appreciate all of the help and guidance on this forum. I have alot experience woodworking but this was my first speaker build and to be honest I floored by the sound quality.
Some details. Cabinet construction is oak plywood with some MDF for the internal pieces. The baffles of the MTM's are some ash scraps I had laying around and the baffle for the woofer and trim are maple. The baffle is actually a piece 1/4 figured maple I had found and glued to 3/4" MDF. The baffles of MTM's on the main unit are actually angled at 5 degrees which definitely complicated the design and its unclear whether it added anything. I did preserve the internal cabinet volume for the MTM's. The sub volume ends up being about 1.25 cubic feet.
The oak and ash were finished with a Old Masters Gel Stain (several coats) which added the color, blended the woods, yet still allowed a fair amount of the figure to show through. The maple pieces just had BLO. The whole thing was then covered with ~8 coats of a self-made wipe-on poly.
Final main unit is here:
Here is the back (opened up to show the internal construction). The back panel has a coaxial radio out, a rocker switch that controls power to everything while still providing low power to preserve the head unit settings, and the surround outs
I have also a bunch of build photos I can add if interested. Not a ton as I was not very good at remembering to take the pictures.
Some details. Cabinet construction is oak plywood with some MDF for the internal pieces. The baffles of the MTM's are some ash scraps I had laying around and the baffle for the woofer and trim are maple. The baffle is actually a piece 1/4 figured maple I had found and glued to 3/4" MDF. The baffles of MTM's on the main unit are actually angled at 5 degrees which definitely complicated the design and its unclear whether it added anything. I did preserve the internal cabinet volume for the MTM's. The sub volume ends up being about 1.25 cubic feet.
The oak and ash were finished with a Old Masters Gel Stain (several coats) which added the color, blended the woods, yet still allowed a fair amount of the figure to show through. The maple pieces just had BLO. The whole thing was then covered with ~8 coats of a self-made wipe-on poly.
Final main unit is here:
Here is the back (opened up to show the internal construction). The back panel has a coaxial radio out, a rocker switch that controls power to everything while still providing low power to preserve the head unit settings, and the surround outs
I have also a bunch of build photos I can add if interested. Not a ton as I was not very good at remembering to take the pictures.
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