Reason Re Jps Harmonic Synthesizer [win] -

A built-in effects section featuring a flanger, chorus (based on the Chenille Chorus Ensemble), and reverb.

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. Reason RE JPS Harmonic Synthesizer [WiN]

A "Shape" fader allows you to adjust the waveform from a pure sine to a bit-limited (4-bit to 8-bit) lo-fi tone to match the original hardware's character. Version 2 Enhancements A built-in effects section featuring a flanger, chorus

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. Version 2 Enhancements If you are looking for

Two "Digital Harmonic Generators" (DHG) with independent controls and the ability to manipulate 16 individual harmonics each.