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You are here: MacNN Forums > Community > MacNN Lounge > Building a crazy center channel speaker, on the cheap!

Building a crazy center channel speaker, on the cheap!
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Join Date: Dec 2006
Status: Offline
Dec 7, 2006, 12:24 AM
So I had this dispenser project.... I need a center channel... viola. It dispenses SOUND. ha. So I picked up two of these:



and one of these:



and a 59 cent crossover designed for two 8 ohm woofers and one 4 ohm tweeter, which crosses over at 5khz.

Bam. Under $25, for all the parts. The required material for the dispenser was plastic, so for the front panel I used 3/8" thick acrylic.... but I wound up on a fairly untraditional cabinet design. Using a wood lathe, I made a fairly large wooden 'dome', which had a diameter similar to the plastic front panel. I then used modeling foam, bondo, and a bunch of primer to extend the horn out to the side. I then vacuum formed some polycarbonat over this shape, onto the front panel, which I beveled with a router. The vacuum form makes a very precise fit, so once I cut them apart, it snaps together... final construction will be acrylic solvent, silicone, and lots of clamps. The enclosure is EXTREMELY strong, I jumped on it and it didn't budge. The two woofers will be mounted horizontally, so they'll kinda appear to make a '69' or 'pisces' type shape on the wall, with the tweeter nestled in between them. Pictures to come in a few days.

Please share your speaker building experiences here!
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Join Date: Jun 2006
Location: "Working"
Status: Offline
Dec 7, 2006, 12:28 AM
Hey Rob.
GodIsPretend  (op)
Join Date: Dec 2006
Status: Offline
Dec 7, 2006, 12:31 AM
Wassup Gossamer. Happy holidays, merry xmas, all that jazz.
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