Vermona DAF-1 Dual Analog Filter

Controls

  • Gain
    Sets the input level
  • Cut Off 1
    Sets the cutoff frequency of FILTER 1.
  • Resonance 1
    Sets the feedback level of FILTER 1.
  • Mode
    Toggles between four possible work modes of the two filters.
  • Resonance 2
    Sets the feedback level of FILTER 2.
  • Cut Off 2
    Sets the cutoff frequency of FILTER 2.
  • LFO Speed
    Controls the frequency of the LFO.
  • LFO Intensity
    Controls the intensity (amplitude) of the LFO modulation.
  • LFO Destination
    Toggles between four possible modulation destinations of the LFO
  • CV Intensity
    Controls the modulation intensity of the fed in C.V. source.
  • CV Destination
    Toggles between four possible modulation destinations of the C.V. IN/PEDAL
  • Level
    Sets the output level of the DAF-1
  • Bypass
    Turns the effect on/off.

Various

Vermona

The DAF-1 is an analog stereo filter with a flexible structure and professional sound quality.

Each channel of the DAF-1 has two individual high/lowpass filters, each with separate controls for the cutoff frequency and resonance. Both filters have a slope of 24dB per octave and can be combined in four modes:

  • Band: Both filters work together as one bandpass filter. In this case filter 1 is highpass and filter 2 is lowpass. Because of the separate cutoff and resonance controls, you can set the width of the bandpass range and adjust different resonance values for each cutoff frequency.
  • Notch: Both filters work together as one notch filter. In this mode, filter1 is lowpass and filter 2 is highpass. In notch mode you can adjust the width of the band-stop range.
  • Parallel: Both filters work as individual lowpass filters, (24dB per octave) parallel to each other.
  • Serial: Audio passes through one filter and then the other, serially. Bothwork as lowpass. That results in a doubled slope giving you a lowpass filter with 48dB per octave - completely analog and stereo!

The cutoff frequencies can be modulated by the internal LFO in four different ways.

For example, you can modulate the width of the bandpass range in bandpass mode, or the manually adjusted bandpass range through the frequency range.

The second modulation source is the CV / EF section. It works either as envelope follower, or with an external control voltage or volume pedal. There are also four different modulation modes.

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