The Boundary is multi-purpose modulation and signal control center. It consists of a cycling slew and a four quadrant multiplier (VCA).

The cycling slew (which can be used as an envelope or LFO) has individual control over rise and fall, rate and shape, as well as dedicated inputs for trigger, slew (for gates or pitch cv), full wave rectification (for envelope following), and a unique BOUND input which allows for bouncing ball effects and additional modulation of the envelope.

The four quadrant multiplier is an OTA design and is usable as a VCA or ring modulator with a soft limiter on the output to tame extreme signals or push into distortion.