An extremely rare mono set from the Golden Age of hi-fi; complete and functioning. Interelectronics Coronation broadcast studio amplifier and consolette. Power amplifier has chrome chassis and is described as "advanced Williamson circuit". Power amp has been tested and works with some hum, but passes full frequency and has good volume. Preamp works when tested through all inputs. Controls work with some scratchiness. Power amp has a pair of M.W.T. branded KT66 tubes, both with code JC6. Both tubes work, one tube has a broken key but functions fine. Dimensions: (Preamp) H 5" x W 15" x D 6.25" (Power amp) H 7" x W 14.75" x D 4.75" Condition: Typical wear to wood finish. Power amp chassis has pitting and some oxidation typical of electronics of this era. Unrestored item in functioning condition. Excellent candidate for restoration.