Filter Design to Boost Bass for Full-Range Speaker

poynton · 23rd January 2007, 12:00 PM

Hi.

I have been searching, without success, for a simple filter circuit to boost the bass response of a full range speaker.

I have found many low pass filters for subs and active xovers but not with the response curve as below.

I want about 6dB boost @ 12dB/octave from say 150Hz down to 20Hz with a sharp cutoff @24dB/octave. I/O at line level.

Any ideas??

Thanks

Andy

sreten · 23rd January 2007, 01:20 PM

Quote:

Originally posted by poynton

.....about 6dB boost @ 12dB/octave from say 150Hz down to 20Hz.....
Andy

Hi, 4 octaves at 12dB/octave = 48dB.

/sreten.

poynton · 23rd January 2007, 02:07 PM

Quote:

Originally posted by sreten

Hi, 4 octaves at 12dB/octave = 48dB. /sreten.

Not quite what I had in mind !!!!!

croat47 · 23rd January 2007, 02:10 PM

Perhaps this little box?

Found a great little bass extender

tinitus · 23rd January 2007, 02:23 PM

This might not be broadbanded anough

Found a great little bass extender

Elliot has a parametric bas EQ

http://sound.westhost.com/project28.htm

Sorry, I think I meant this one

http://sound.westhost.com/project84.htm

poynton · 23rd January 2007, 02:25 PM

Quote:

Originally posted by croat47
Perhaps this little box?

Found a great little bass extender

I have seen this and it is what I had in mind but what is the circuit????

Andy

poynton · 23rd January 2007, 02:34 PM

Quote:

Originally posted by tinitus

Elliot has a parametric bas EQ

http://sound.westhost.com/project28.htm

]

Thanks . This may be useful.

Andy

tinitus · 23rd January 2007, 02:51 PM

Look back, and see project 84 - constant Q, eight band bass EQ

23rd January 2007, 02:10 PM	#4
croat47 diyAudio Member Join Date: May 2005 Location: Eastern Shore, Maryland	Recently on diyAudio... Perhaps this little box? Found a great little bass extender __________________ Regards, Aaron

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23rd January 2007, 02:23 PM	#5
tinitus diyAudio Moderator Join Date: Nov 2005	This might not be broadbanded anough Found a great little bass extender Elliot has a parametric bas EQ http://sound.westhost.com/project28.htm Sorry, I think I meant this one http://sound.westhost.com/project84.htm

23rd January 2007, 02:51 PM	#8
tinitus diyAudio Moderator Join Date: Nov 2005	Look back, and see project 84 - constant Q, eight band bass EQ

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