LA67 WFM Oscillator for Eurorack with Kobol inspired continuously variable wave shaping
5,0 / 5,0 | 
The WFM is a WaveForm Morphing analogue oscillator based in part on the 1970s RSF Kobol synthesizer with its sweepable wave shapes.
WFM
The WFM has a regular triangle and square wave output with coarse and fine-tuning and can hold a note over 8 octaves. But the interesting stuff centres around the WFM output and the knob in the middle of the module.
With a turn of the knob the WFM will morph from triangle to sawtooth to square wave to pulse and back. This can be automated with the modulation CV input for everything from smooth transitions to wavefolding style audio rate complexity. The pulse wave at the end of the chain also has its own modulation input. A level knob lets you control the output of the oscillator giving you some AM (Amplitude Modulation) possibilities or you can use it as a regular VCA.
The WFM also features an FM input with a linear or exponential switch and a hard sync input.
LA67 suggest that you can use a pair of WFM oscillators to create a single complex oscillator with one modulating the other.
Using a combination of waveform morphing and AM you can generate some nicely dynamic and surprisingly diverse timbres. There’s a lot going on inside this oscillator. Check out the video below for a wide range of possibilities.
More information
- LA67 website.
Video
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