18" sealed sub EQ? Power? Plate amp or stand alone? - AVS Forum
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post #1 of 4 Old 03-03-2013, 12:47 PM - Thread Starter
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I'll be building a sealed 4CF box with an 18" Dayton driver:
Box; http://www.diysoundgroup.com/flat-packs-1/subwoofer-flatpacks-2/4-sub-flat-pack.html
Driver; http://www.diysoundgroup.com/flat-packs-1/subwoofer-flatpacks-2/4-sub-flat-pack.html

I've read quite a few threads where guys have used this combo and have been pretty happy with the results. My question is about amps and equalization mainly. I could get a 500 or 1000 watt plate amp with built in parametric EQ to deal with the frequency roll off of a sealed driver, or will Audyssey MultEQ XT32 give enough EQ to compensate? If so I could get a more powerful rack amp. Would that work?

How do people with sealed passive subs and stand alone amplifiers deal with EQ?


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post #2 of 4 Old 03-03-2013, 01:42 PM
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I use minidsp for my two dual opposed MFW's 15's and Mal-X. I don't know how well Audyssey handles sup eq. How much is the plate amp?

Builds: Maelstrom 21 Ottoman Build, Dual Opposed MFW's x 2, Statements, SEOS-12/TD12M x 5. 
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post #3 of 4 Old 03-03-2013, 01:51 PM
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Having used minidsp in a build using first a plate amp and then a pro amp, I'd say there is no comparison. The plate amp is going to have a high pass that EQ will be fighting against to overcome. That eats up power, too. I'm never going back to plate amps again for an HT build. YMMV.
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post #4 of 4 Old 03-03-2013, 07:34 PM
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Quote:
Originally Posted by wth718 View Post

Having used minidsp in a build using first a plate amp and then a pro amp, I'd say there is no comparison. The plate amp is going to have a high pass that EQ will be fighting against to overcome. That eats up power, too. I'm never going back to plate amps again for an HT build. YMMV.


Not all plate amps have a HPF built-in (like the Keiga high power models). Pro amps are quite versatile as well. Different tools for different jobs.
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