Bang & Olufsen Beomaster 6000 was the realisation of the Topline prototype on which work had progressed over the preceding years. The long flat cabinet of the Beomaster 1200 with its operation from the top and the depressed knobs was repeated. But the Bang & Olufsen Beomaster 6000 is the first representative of a new phase in Jacob Jensen’s oeuvre. The slide rule motif symbolised mechanical precision, but now the entire idiom is adapted to the abstraction it was necessary to submit in communicating using electronics.