Thanks to its composite construction, the Continuum cone avoids the abrupt transitions in behavior that can impair the performance of a conventional drive unit. With 603 S3, experience a more open, neutral performance that delivers voices and instruments with precision and transparency.
Derived from the speaker terminals recently introduced in our 700 Series range, the speaker terminals on the new 603 S3 feature an improved layout and a cleaner signal path between your amplifier and your loudspeakers.The essential loudspeakers for music lovers.
Height: 985mm (38.88 in) cabinet only1020mm (40.2 in) including plinthWidth: 190mm (7.5 in) cabinet only 260mm (10.2 in) including plinthDepth: 340mm (13.4 in) cabinet only368mm (14.5 in) including grille and terminals402mm (15.8 in) including plinthNet weight-27.5kg (60.6 lb)Decoupled Double Dome Titanium tweeterContinuum cone FST midrange1x ø25mm (1 in) Titanium Dome high-frequency1x ø150mm (6 in) Continuum cone FST midrange2x ø165mm (6.5 in) Paper bass coneFrequency response (+/-3dB from reference axis)- Sensitivity (on axis at 2.83Vrms at 1m)- 2nd and 3rd harmonics (90dB, 1m on axis)Recommended amplifier power- 30W-200W into 8 Ω on an unclipped programMax recommended cable impedance- 
