Pharmasonic's multi-slope version of the 4P filter.
includes 6 PCBs for the price of 5.
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Multi-slope version of the Mutable Instruments 4P filter for Ambika.
The 4P Pi allows to switch between 3 slopes of the filter.
In order to do so, the "MODE" parameter in the filter menu is used.
- LP = 24dB LowPass
- BP = 18dB or 6dB LowPass (set by jumper on PCB)
- HP = 12dB LowPass
4P Pi does not require any special firmware.
It will work with the standard 4P firmware and Ambika's standard or YAM firmware.