
Hupfeld actively promoted the Phonola in the United Kingdom, particularly when installed in Blüthner pianos and grand pianos. To assist Phonola owners in obtaining the best musical results from their Blüthner Phonola instruments, this English-language booklet was published, providing detailed explanations of its operation and functions. The brochure describes the controls, playing techniques, and special features of the Phonola system in detail, enabling owners to make full use of the instrument's musical capabilities. We offer a PDF copy of this rare 16-page booklet for Phonola owners, research, and study purposes at a price of EUR 35.00.