Munich High End Show 6 May 2010. Neat Acoustics announces their first new Ultimatum model in eight years. The Ultimatum XL6 will be available in September 2010. The ULTIMATUM XL6 is a multi-chamber, multi-facet loudspeaker system incorporating six drive units per enclosure. The visible drive units are mounted on sub-baffles, attached to the main enclosure via a polyethylene damping membrane….