Josh Mason                   





Used Parts Galaxy

Eurorack Module
Winter 2026
An “expressive voltage-influenced low freq oscillator” (EVILFO). An integrator-driven master clock, which has a fixed internal frequency range that can’t be dialed in so much as...nudged, let’s say.

As the integrator is turned CW or CCW away from noon, voltage rises (or falls) and the master clock begins to speed up or down in relation to the rate of change: the farther away from noon, in either direction, the faster or slower the clock will advance until it eventually stalls at either its fastest speed or slowest one. if the knob is returned to noon quickly, it will halt the rate of change, and in this way you can “set” the speed of the device…sorta…for a time..

In addition to this integrator voltage and master clock out, the user has access to a number of other related functions including a triangle wave derivative of the master clock, 2 discrete stepped random voltage generators (one with a lag control), 2 audio rate chaotic oscillators, a gate burst stream and associated trigger burst, and a difference rectifier which analizes the triangle and both stepped voltage sources.


︎
Size 12HP
Depth 44mm (with power header)
Construction FR4, Analog SMD
Power +65/-60mA (quiescent)


Filed under:
Primitive Coastal Electronics



Prototype






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