Subwoofer Preamp Needed

hernanstafe · 12th February 2007, 08:38 PM

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!!

raromachine · 13th February 2007, 06:09 AM

Is the pre-amp just to provide a certain amount of gain, or do you want to include filtering too?

hernanstafe · 14th February 2007, 06:32 PM

well i'd like to know of one to just produce gain and another to do both things

Foxx510 · 16th February 2007, 09:01 PM

Lots of preamp and sub filters on this site http://sound.westhost.com/projects.htm

sek · 17th February 2007, 10:07 PM

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.

Dielkius · 18th February 2007, 01:19 PM

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..

sek · 18th February 2007, 06:08 PM

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.

erdoganay750 · 18th February 2007, 11:23 PM

My friend! i have a suggest to you.There is chip.It name is PT2351.This chip special for woofer filter.you investigate

12th February 2007, 08:38 PM	#1
hernanstafe diyAudio Member Join Date: Feb 2007 Location: Argentina	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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13th February 2007, 06:09 AM	#2
raromachine diyAudio Member Join Date: Jun 2006	Is the pre-amp just to provide a certain amount of gain, or do you want to include filtering too?

14th February 2007, 06:32 PM	#3
hernanstafe diyAudio Member Join Date: Feb 2007 Location: Argentina	well i'd like to know of one to just produce gain and another to do both things

16th February 2007, 09:01 PM	#4
Foxx510 diyAudio Member Join Date: Nov 2006	Lots of preamp and sub filters on this site http://sound.westhost.com/projects.htm

17th February 2007, 10:07 PM	#5
sek diyAudio Member Join Date: May 2003 Location: Berlin	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.

18th February 2007, 11:23 PM	#8
erdoganay750 diyAudio Member Join Date: Feb 2007 Location: Ankara	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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