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Vermona | DAF-1 (Dual Action Filter)
The Vermona DAF-1 is a Dual Analog Filter. It's a stereo filter with two individual high/lowpass 24dB/oct filters on each channel. They have the standard frequency cutoff and resonance controls. The two filters can be linked into any of four modes: Band, Notch, Parallel, and Serial.
In Band mode filter 1 is a highpass, and filter 2 a lowpass. In Notch mode filter 1 is a lowpass and filter 2 is a highpass. In Parallel mode both filters are lowpass. In serial both are also lowpass but since the signal flows first through filter 1 and then filter 2, you get a 48dB/oct slope! In this mode you can patch the left channel's output into the right channel to send a mono sound source through all four filters for a 96 dB/oct slope!! Did we mention this was an analog filter?
There is an on-board LFO to modulate the cutoff frequencies for each filter. There is also a CV input jack which works either as envelope follower, or with an external control voltage or volume pedal. It also uses TRS (MONO/STEREO) input/output jacks. It's not as dirty or programmable as the bigger Sherman or Mutator filters, but it's an affordable alternative.
|Model||DAF-1 (Dual Action Filter)|
|LFO||One, can modulate the cutoff frequencies|
|Filter (VCF)||4 lowpass/highpass 24dB/oct filters, Freq. Cutoff, Resonance.|
|Produced:||2002 - 2002|
|Legend:||Obvious||Y: Yes, N: No, N/A: Not Applicable|
|VCO||Voltage Controlled Oscillator||DCO||Digital Controlled Oscillator|
|LFO||Low Frequency Oscillator||Sub||Sub Oscillator|
|VCF||Voltage Controlled Filter||VCA||Voltage Controlled Amplifier|
|Velocity||As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key.||Aftertouch||Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.|
|Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.|