This Module is currently available.
1966 Mixing Console Breakout
Ustka [ˈustka] is a simple passive expander module for the Ostrawa stereo mixing console. It offers direct access to four pairs of stereo signals before they are combined into the mixed signal at the output of Ostrawa. Ustka’s main application is interfacing with external multichannel devices like computer audio interfaces and hardware multitrack recorders.
• Per-channel VCA direct outputs
• Modular or line signal level (+20dBu / +4dBu - individually selectable)
These merchants probably sell this module. Huh?