Until recently, I wasn't sure if hard diaphragms and steep filters were the best way to go. With the Berlina RC 9 RC and now the RC 7 Mk II these doubts are obsolete. This speaker masterpiece combines the pleasure of wide band width with the bass power of active loudspeakers and the neutrality of high-class studio monitors. My urgent advice: Be sure to listen! - Wolfram Eifert