Reason Re Jps Harmonic Synthesizer [win] May 2026

Every front-panel control can be automated within the Reason sequencer or controlled via CV (Control Voltage) on the back of the rack.

Are you planning to use this for sequences, or are you more interested in the lo-fi sound design possibilities? JPS Harmonic Synthesizer | Classic Additive Synth | Shop Reason RE JPS Harmonic Synthesizer [WiN]

While it captures the original's quirks (like "Up" and "Random" sequencer modes), it adds modern necessities like polyphony, velocity sensitivity, and 4-stage ADSR envelopes. Every front-panel control can be automated within the

Two new LFOs (bringing the total to three) with complex routing options to internal targets or CV outputs. Two new LFOs (bringing the total to three)

In this synth, each "harmonic" is not a pure sine wave but is actually quite rich in its own sub-harmonics, resulting in a raw, vintage, and slightly lo-fi character.

If you are looking for that specific —gritty leads, deep basses, and retro sequences—this is the definitive tool for Reason users. It bridges the gap between an 80s-style digital synth and a warm analog machine.