hifi engine

supersonic vintage TRS111m 'one eleven' hifi

strangest thing that i cannot find any info on this vintage hifi supersonic trs111m one-eleven. It has a Garrard as75 turntable and Isophon German speakers 5band tuner it seems to be a British/West German origin. Any manuals info advice welcome. Solid cherry-wood cabinets great condition turntable has a cool ice blue transparent lid integrated with cherrywood. Thanks.