Input Buffer & 2nd-order High Pass Filter
This is designed for two purposes. The first being to integrate with the Sub-woofer Controller project to provide a high-pass filtered signal to the satellite loudspeakers, useful for very small satellite loudspeakers, satellite loudspeakers using vented boxes, or pushing the system hard. The second is to implement a 5th- or 6th-order bass alignment actively.
PDF of schematic
PDF of copper side of PCB
PDF of component side of PCB
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