Bowers & Wilkins 603
Decoupled Double Dome aluminium tweeter Continuum cone FST™ midrange Paper / Kevlar bass cones Flowport™ Description 3-way vented-box system Drive units 1x ø25mm (1 in) aluminium dome high-frequency 1x ø150mm (6 in) Continuum cone FST midrange 2x ø165mm (6.5 in) Paper / Kevlar profile bass Frequency Range -6dB at 29Hz and 33kHz Frequency Response 48Hz - 28kHz ±3dB Sensitivity 88.5dB spl (2.83V, 1m) Harmonic Distortion 2nd and 3rd harmonics (90dB, 1m) <1% 90Hz - 22kHz <0.5% 120Hz - 20kHz Nominal impedance 8Ω (minimum 3.0Ω) Recommended amplifier power 30W - 200W into 8Ω on unclipped programme Dimensions Height: 985mm (38.8 in) cabinet only 1055mm (41.5 in) with plinth Width: 190mm (7.5 in) cabinet only 320mm (12.6 in) with plinth Depth: 340mm (13.4 in) 370mm (14.6 in) with plinth Net Weight 24.1kg (53.1 lb) Boxed Weight 31.7kg (69.9 lb - single)