Megazwerg

Eurorack compatible semi-modular synth

Sold as a standalone synth but can be unscrewed and installed in a eurorack system without modifications.

Features:

semi-modular system with ten sections
analogue VCO with analogue ring modulator
12dB/oct. multimode-filter
built-in Digital Delay
modulation-sequencer
AHDSR-envelope with loop option

https://www.synthtopia.com/content/2010/03/21/the-mfb-megazwerg-semi-modular-synthesizer/