variable low board sub double horn, much smaller than the Sideboard sub http://www.hm-moreart.de/151.htm
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Interesting design. The horns are asymmetric- are they playing only low bass (<80Hz) non-directional in mono. Or is this a stereo full range horn?
only bass ~100 Hz 18 dB max., 2 m wide and ~50 kg to much, i built a new one side board in two parts 1,2m wide up to 1,9 m moveable and PR not BR.
Good to see you still having fun, Horst. After all these years, I think you have finally Nailed the form-factor/use case for your acoustically-nice geometries! 🙂