Does anyone have a schematic or pcb layout for eq - diyAudio
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Old 19th September 2003, 07:05 PM   #1
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Default Does anyone have a schematic or pcb layout for eq

More specifically a fully parametric eq.

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Old 19th September 2003, 07:09 PM   #2
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Default this may or may not be of use
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Old 19th September 2003, 07:46 PM   #3
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In Walter Jungs "Active Filter Cookbook" you can find this.

Search for "infinite variable state filter", can be a good start.

I have the complete service manual for a Technics Parametric Equalizer, unfortunately can't I find it.

I have a vague memory of that it was made conventially with gyrator circuits, but I'm not sure.
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Old 22nd September 2003, 08:20 AM   #4
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Wink schem on parametric eq

hi there punch, try this site

i have seen a design there and it look alright base on the circuit and i believe it still have room for expansion. check it out and try to analyse, i have not tried this set-up.
"none but the brave deserves the fair" shakespeare
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