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Old 12th February 2007, 08:38 PM   #1
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Default Subwoofer Pream Needed

I'm looking for a subwoofer preamp, i found one using tl074 and ne5532, but i can't get the NE where i live, so i'm trying to find another preamp, anyone has one? with pcb included if possible!!
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Old 13th February 2007, 06:09 AM   #2
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Is the pre-amp just to provide a certain amount of gain, or do you want to include filtering too?
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Old 14th February 2007, 06:32 PM   #3
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well i'd like to know of one to just produce gain and another to do both things
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Old 16th February 2007, 09:01 PM   #4
Foxx510 is offline Foxx510  Australia
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Lots of preamp and sub filters on this site http://sound.westhost.com/projects.htm
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Old 17th February 2007, 10:07 PM   #5
sek is offline sek  Germany
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Just because a schematic mentions the NE5534/32 doesn't mean you really have to use it. A TL071/72 will work just as well with only the subjective sound difference left.

Other than that, I also seem to like the LC-Audio subfilter.
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Old 18th February 2007, 01:19 PM   #6
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Quote:
Originally posted by sek
Just because a schematic mentions the NE5534/32 doesn't mean you really have to use it. A TL071/72 will work just as well with only the subjective sound difference left.

Other than that, I also seem to like the LC-Audio subfilter.

Yes that filter works perfect..
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Old 18th February 2007, 06:08 PM   #7
sek is offline sek  Germany
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Hi Dielkius,


Quote:
Yes that filter works perfect.
You tried it? I like the circuit and plan on using parts of it. Care to report your experience (as it fits into the thread topic)?

Thanks,
Sebastian.
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Old 18th February 2007, 11:23 PM   #8
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My friend! i have a suggest to you.There is chip.It name is PT2351.This chip special for woofer filter.you investigate
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