Module A-144 is a control voltage modifier that is used in combination with the voltage controlled mixer A-135 in the first place. From a linear increasing voltage at the input the module derives four displaced triangle output voltages. When these 4 outputs are connected to the four control voltage inputs of the A-135 one obtains a fading over of the four A-135 audio inputs ("morphing"). The Morphing can be controlled manual and modulated with an external control voltage (e.g. from LFO, ADSR, Random, MIDI-to-CV, Theremin, Light-to-CV, analogue sequencer) with attenuator.
Applications: voltage controlled morphing of 4 audio signals in combination with A-135, e.g. morphing between the 4 waveform outputs of an VCA (sawtooth / rectangle / triangle / sine) or the 4 filter outputs of the multimode filter A-121 (lowpass / bandpass / highpass / notch) or the 4 filter outputs of the A-105 (6 / 12 / 18 / 24dB) to obtain a filter with voltage controlled slope.
When an audio source (e.g. sawtooth, triangle or sine of a VCO) is used as CV input signal the module can be used also as Waveshaper. The four A-144 outputs can be mixed e.g. by means of a Polarizing Mixer A-138c with adjustable level and polarity.
- Inputs: CV In
- Outputs: CV Out 1, 2, 3, 4
- Controls: Manual Morphing, CV attenuator
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