The R-series is our most comprehensive range of machines, covering the entire spectrum of high-quality audio reproduction. It consists of a large number of individual components which can be assembled in a vast variety of configurations. The simple, restrained design of this series integrates effortlessly with any style of furnishing. A plexiglas window in the top cover now enables the owner to admire the fantastic internal construction from the outside. The R-series: the whole world of acoustics.