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Multi-Way Conventional loudspeakers with crossovers

Sub Xover HELP!
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Old 3rd April 2002, 02:40 PM   #1
Axeman is offline Axeman
diyAudio Member
Join Date: Jan 2002
Location: Nova Scotia Canada
Default Sub Xover HELP!

Hi all.

I'm a newbie, and I have a hacked together DIY home theater, in which I am using various amps to power the center, mains, surround and sub speakers. What I'm looking to build is an adjustable low-pass filter for my subwoofer. I currently have a simple one consisting of a single capacitor that works well enough, but I'm looking for something with a better slope and that will go down to 60hz or so. Any advice would be appreciated- even on non-adjustable filters.

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Old 3rd April 2002, 04:34 PM   #2
CHRIS8 is offline CHRIS8  United States
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Join Date: Dec 2001
Location: VA, USA
Just use line level crossovers to the amps.

If you are going for very low cost, take a look at: http://www.t-linespeakers.org/tech/f...ssiveHLxo.html

get out $5 bucks and get the parts you need at Radio Shack, be certain to use polyester capacitors. If you want better caps, I don't believe radio shack carries better ones. Go to www.digikey.com if you want polyproplyne, etc.

Or, you can build an active crossover, easy AND stable regardless of amplifier input impedance if you use an output buffer. Some good designs can be found at http://sound.westhost.com

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Old 5th April 2002, 09:11 PM   #3
Axeman is offline Axeman
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Join Date: Jan 2002
Location: Nova Scotia Canada
Thanks for the help!
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