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Old 23rd January 2007, 01:00 PM   #1
poynton is offline poynton  United Kingdom
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Default Filter Design to Boost Bass for Full-Range Speaker

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
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Old 23rd January 2007, 02:20 PM   #2
sreten is offline sreten  United Kingdom
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Default Re: Filter Design to Boost Bass for Full-Range Speaker

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.
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Old 23rd January 2007, 03:07 PM   #3
poynton is offline poynton  United Kingdom
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Default Re: Re: Filter Design to Boost Bass for Full-Range Speaker

Quote:
Originally posted by sreten


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

Not quite what I had in mind !!!!!
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Old 23rd January 2007, 03:10 PM   #4
croat47 is offline croat47  United States
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Default Recently on diyAudio...

Perhaps this little box?

Found a great little bass extender
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Old 23rd January 2007, 03:23 PM   #5
tinitus is offline tinitus  Europe
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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
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Old 23rd January 2007, 03:25 PM   #6
poynton is offline poynton  United Kingdom
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Default Re: Recently on diyAudio...

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
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Old 23rd January 2007, 03:34 PM   #7
poynton is offline poynton  United Kingdom
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Quote:
Originally posted by tinitus



Elliot has a parametric bas EQ

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

]

Thanks . This may be useful.

Andy
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Old 23rd January 2007, 03:51 PM   #8
tinitus is offline tinitus  Europe
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Look back, and see project 84 - constant Q, eight band bass EQ
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