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I built these out of an MDF frame similar to a model airplane fuselage and covered in three layers of 1/4" Masonite. There are two ported chambers inside, one for the woofer and one for the midrange. The tweeter is sealed. I built the crossovers after reading three books on the subject and using computer software to design them. The rear baffle has flared ports, adjustable level controls mounted in 3/8" thick aluminum plates and the bi-amp terminals. They weigh 120lbs each and are finished in polished urethane paint. They sound very nice.

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259 Posts
Wow! Awesome build on that mighty speaker! I am sure it sounds good as it looks like. Excellent work!
 

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Thanks! Yep, they sound fantastic, a heck of a lot cheaper to build than buying, these only cost about $700 a pair for the drivers, capacitors, inductors, resistors and lumber. It would cost about $3000 minimum to buy equivalent commercial speakers and they still wouldn't sound as good. Thanks!
 
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