need equation for 3 band baxandall equalizer - diyAudio
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Old 12th December 2006, 05:41 PM   #1
prorms is offline prorms  United States
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Default need equation for 3 band baxandall equalizer

need equation for 3 band baxandall equalizer OR three band active tone control ??
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Old 12th December 2006, 06:59 PM   #2
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Hi There:
For complete analysis check out following books:

1. Audio IC Op-Amp applications by Walt Jung.
2. National Semiconductor "Audio Handbook".

Regards,
Art
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Old 13th December 2006, 06:03 PM   #3
prorms is offline prorms  United States
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Default ...

what year ? for the
National Semiconductor "Audio Handbook".
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Old 13th December 2006, 07:29 PM   #4
Minion is offline Minion  Canada
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This will tell you what you need to know:

http://www.duncanamps.com/tsc/


Cheers
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Old 14th December 2006, 01:52 AM   #5
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1980.
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Old 14th December 2006, 02:10 AM   #6
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I don't think the TSC does active,

From the horses mouth....

http://home.comcast.net/~stphkeri/Ne...edbackTone.pdf
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Old 14th December 2006, 02:21 AM   #7
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& probably a simpler explaination here...

http://sound.westhost.com/dwopa2.htm
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Old 14th December 2006, 04:21 AM   #8
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Neither of those links gives equations for the mid control components though,
scaling the components should work...???
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Old 14th December 2006, 02:24 PM   #9
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the thing about a baxandall stack is that the mids are affected by the relative position of the other two....so there isn't a mid control per se.
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