Luftrum 22 is a set of 80 new patches for bx_oberhausen a software recreation of the Oberheim SEM, an iconic analog classic from the mid-70s and the first official analog synthesizer by Oberheim.

The Oberheim SEM is a synth module with two analog oscillators and a 2-pole multimode filter. Originally created to be a backup synth for layering sounds but quickly became a favorite on its own, due to its warm and voluminous sound.

More info on the Luftrum 22 page.