MFM2

MFM2 offers several filter types that can be applied to the signal. Be aware of the point in the signal flow the filters are applied. See above for the different circuits.

In bypass mode the filter is not active.

Lowpass, bandpass, highpass, bandreject and allpass are all 12dB resonatingfilters.

Lowpass, bandpass and highpass are classical filter types. They dramatically attenuate frequencies in the spectrum as known from synthesizers and wah wah effects.

Bandreject is a bit more subtle and works like an inverted bandpass filter. Only a close region of the spectrum is attenuated. This can be used to cancel out “ringing” within highly feedbacked delays.

Allpass only affects the phase of each frequency in the spectrum, but no frequencies are being attenuated. Resonance only affects the depth of the phase shifts. These filters are for instance used to create phasing effects, when applied in parallel to the dry signal.

LP 6dB and HP 6dB are a less aggressive 6dB version of the lowpass and highpass filters.

Use the cutoff parameter to set the frequency of the filter and the res parameter to set the resonance. The value displayed in the status display represents the midi number and thus the frequency as a note pitch. The cutoff can be directly modulated in this part of the interface using the cutoff modulation knob. Keyfollow only works if MFM2 receives Midi notes and modulates the frequency of the filter according to the note pitch played. If keyfollow is turned all the way the frequency of the filter directly corresponds to the note played on the keyboard. This way if set up correctly you can play both the delay as well as the filter using a keyboard. A unique feature that no other delay allows for. Load the preset Documentation/The keyboard delay to see what this means.