Klipschorn cutaway, mid 1970s. One of twelve cutaway models revealing the genius engineering of PWK’s folded bass horn – made for promotions at Klipsch dealers. One unit still remains in the collection of the Klipsch Museum of Audio History. Images provided for Throwback Thursday by the Klipsch Museum of Audio History from the forthcoming book, Klipsch 75 Years – A Pictorial History.