Andrew Jones may well be one of the most successful — and storied — loudspeaker engineers in the history of hi-fi. Jones, who’s designed speakers for KEF, Infinity, Pioneer USA, TAD, and now ELAC, takes us through: The benefits of concentric driver technology, His approach to enclosure design, Active vs. passive speakers — and how he’s making the former more palatable to audiophiles, And his take on what makes for really “great sound.” For more info on CEDIA, please visit cedia.net.