Behringer K-2

With the K-2, Behringer presents an analog, semimodular synthesizer that is a clone of the famous Korg MS-20. Compared to the original from 1978, the K-2 has found its place in a compact desktop case and scores with USB and MIDI-In instead of a keyboard. The sound of the instrument has also been enhanced: finally, both of the filter revisions of the time are now available in one device. Earlier models of the MS-20 had the IC35 chip, which produced a rough, fuzz-like resonance, a cleaner circuit was used in later series, which hardly discolored the sine of the resonance.

The Behringer K-2 doesn't miss anything that the original also had:

Two analog oscillators including pulse width modulation, ring modulator and noise generator form the tonal foundation, which is processed by the very charismatic, rough, serially connected high-pass low-pass filter and is given its unmistakable sound. The modulation sources consist of two envelopes, which can be distinguished between Hold-ADSR and Delay-AR as well as the fast LFO with variable wave symmetry; all three are assigned to the oscillators and the two filters with knobs.
Typical for the MS-20 has always been the patch field, which occupies about 2/5 of the surface. There are 28 control voltage inputs and outputs for the different function groups, but also an open Sample & Hold, an additional, freely accessible VCA and the noise generator.