2015.02 Symposium Acoustics, Blumenhofer Acoustics, Einstein Audio at Norddeutsche HiFi-Tage 2015 in Hamburg2015.02 Accustic Arts at Norddeutsche HiFi-Tage 2015 in Hamburg2015.02 Dr. Feickert Analogue and others at Norddeutsche HiFi-Tage 2015 in Hamburg2015.02 making our setup