This Module is currently available.
S12 - Universal Buffered CV & Audio Mixer
The S12 is a versatile buffered CV and audio mixer, 3 to 1, 6 to 1, 9 to 1, 12 to 1.
The module can be connected in series with other modules such as M12, S12 using
flat cable on the backplate
Each mixer input has its own amplifier, as does the output.
Doepfer A-121s Stereo Multimode Filter