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Old 10th July 2012, 07:38 AM   #1
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Smile help me a circuit anh PCB layout for subwoofer

Deer All,
i am a newguy. please, any one of You send me circuit for a sub-woofer, and PCB layout, Thank U very much.
I need circuit for my 12" sub bass. I intending to build a bandpass sub.
I am waiting for your help.
Best wishes to you all.
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Old 12th July 2012, 01:00 AM   #2
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You probably don't need one. -good thing you're going to build bandpass.
Better having more detailed info in the future...
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Old 12th July 2012, 06:49 AM   #3
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Quote:
Originally Posted by Inductor View Post
You probably don't need one. -good thing you're going to build bandpass.
Better having more detailed info in the future...
ok, thank U for your reply.
Infact, I trufully need a circuit of a sub that easy enough for an amarter like me.
there exists a theology to use a lowpass filter right before the speaker.
is that right? and how is the circuit looks like.
thank U all.
Best regards,
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Old 12th July 2012, 07:00 PM   #4
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Not necessary for bandpass, as I understand, only in common sealed or ported (BR) subs. The low-pass is done inside the speaker acoustically (acoustical filter) and not electrically with crossover components.
Questions about subwoofers - Team-BHP
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Old 12th July 2012, 08:36 PM   #5
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Here you go.
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Old 13th July 2012, 01:02 AM   #6
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Maybe that's what OP wants, a multi-way digital crossover/digital signal processor (DSP), for an active system. Better having more details in the first post if going for a passive or active system/crossover.
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