The UD-507 won a category award in the “Leserwahl/Goldenes Ohr (Golden Ear)” 2026 reader popularity poll organized by AUDIO/stereoplay. AUDIO/stereoplay is Germany's leading high-end audio magazine and one of Europe's most influential specialist publications. Born from the merger of AUDIO and stereoplay, AUDIO/stereoplay is renowned for its reviews that combine objective data with practical listening tests. These reviews are backed by a powerful measurement laboratory and an expert editorial team.The publication features detailed measurement data, such as frequency response and distortion rates, alongside comprehensive best-of rankings and comparative tests. Consequently, AUDIO/stereoplay is one of the most trusted magazines for audiophiles and retailers across the German-speaking world. Its annual reader poll, the "Leserwahl/Goldenes Ohr" (Golden Ear), is a significant award reflecting market popularity.