Up for sale is the Acid Rain Technology Maestro, a 6-channel clocked modulation source that's one of the most playable LFO/automation modules in Eurorack. Think DAW-style automation lanes you can perform live.

Each channel gives you ramp, triangle, square and random shapes with smoothing (sine/smoothed random), triplet and "slow" modes, and unipolar (0–5V) or bipolar (±5V) output. Everything stays locked to the internal or an external clock, from 1/32 notes up to 32 bars, so all six outputs stay phase-aligned even when you're switching things on the fly.

Highlights:

• Per-channel mute buttons, great for dropping modulation in and out of a patch as a performance move
• Chain mode to sequence different waveforms into evolving CV streams
• One-shot mode with a trigger input per channel, so any channel becomes a triggered envelope/CV generator
• Save/recall full module or per-channel states (14 slots, microSD)
• Clock and reset in/out

Specs: 20HP, 25mm deep, 65mA +12V / 18mA -12V

Condition: Excellent, fully tested and working with no rack rash. I ended up with two Maestros and only need one, so this one's looking for a new rack.

Includes: Power cable, microSD card, and knurlies (rack screws).

Ships well packed from Philadelphia. Questions welcome!