INSTRUO Dapf Filter Module

Dåpf from Instruo consists of two analog all-pass filters. What is filtered when everything is let through? This type of filter does not actually attenuate the frequency amplitudes directly, but changes the phase relationship of the frequencies in the entire spectrum. The audio inputs and outputs of the module are normalized, allowing the two all-pass circuits to be used in cascade or independently in parallel or in series. The sonic spectrum ranges from classic phase shifting to psychoacoustic stereo amplification and synthetic Doppler effect.