his This ultra-compact, 1-way loudspeaker has more than six decades under its belt, and the concept has always remained the same. A single, high-quality 114 millimeter driver in an ultra-compact closed cabinet is supposed to ensure a perfectly phase-accurate representation of the important midrange and an incorruptible spatiality in the Cubes and is, therefore, for viable mix decisions. The „reference cubes“ were built unchanged for decades, but always as a passive speaker that required an external amplifier stage
