A landmark Braun Design, the SK 4 was one of the most significant early products of the Braun Company's encounter with the HfG Ulm, issued in the second year of the collaboration. 

The high number of individual design inputs provides an indication of the complex working process that existed prior to the foundation of Braun's internal design department. Elements and their authors: Wilhelm Wagenfeld - PC 3 phono module / Hans Gugelot - enclosure / Herbert Lindinger -  controls / Otl Aicher - tuning scale / Dieter Rams - acrylic hood. 

dimensions: 580 x 244 x 290 mm