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Biquad PEQ for attenuation 11 years 7 months ago #4586

gainphile Topic Author Offline New Member Posts: 5 Thank you received: 0	Hello, Is there any way to have attenuation using biquad? (like all-pas with -3db for example). The reason is I am using linkwitz transform to equalise my woofer to 20hz, and did not have enough boost. But if the level is lowered, then it is possible.
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Re: Biquad PEQ for attenuation 11 years 7 months ago #4591

curryman Offline Platinum Member Posts: 793 Thank you received: 182	Parameter b0 specifies the overall amplification. All other coefficients zero. If you want to have 6dB attenuation (-6dB) b0 has to be 0.5 (attenuation in dB = 20*log(b0)).
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Re: Biquad PEQ for attenuation 11 years 7 months ago #4643

gainphile Topic Author Offline New Member Posts: 5 Thank you received: 0	Thank you very much!
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Re: Biquad PEQ for attenuation 11 years 7 months ago #4648

natehansen66 Offline New Member Posts: 15 Thank you received: 0	Way cool, I've been having the same problem............thanks!
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Re: Biquad PEQ for attenuation