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4 channel color light organ


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I decided to assemble a simple scheme color organ  - only miss one audio compressor  into  circuit diagram  :)
Can you help me with a diagram - signal i will take it from the output of the sound card on my computer.


lamp H1 = up to 100 Hz
H3 = from 100 Hz up to 1 kHz
H4 = from 1 kHz up to 3 kHz
H2 = from 3 Khz to maximum freq.

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