B &W Bowers & Wilkins

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704 Specifications
Back Print
Woven Kevlar
Crossover Tuning
Nautilus Tapering Tube
Flowport
Mushrooms
FST
Tweeter on Top
Matrix
Rohacell
Diamond Tweeters
Sphere / Tube Enclosure
De-Coupling
Nautilus
Technical FeaturesFree-mounted Nautilus™ tweeter
Kevlar® brand fibre cone bass/midrange
Paper/Kevlar® cone bass
Flowport™
Description2½-way vented-box system
Drive units1x ø165mm (6.5 in) Paper/Kevlar® cone bass
1x ø165mm (6.5 in) woven Kevlar® cone bass/midrange
1x ø25mm (1 in) alloy dome high-frequency
Frequency range-6dB at 30Hz and 50kHz
Frequency response40Hz – 25kHz ±3dB on reference axis
DispersionWithin 2dB of reference response
Horizontal:over 40º arc
Vertical:over 10º arc
Sensitivity90dB spl (2.83V, 1m)
Harmonic Distortion2nd and 3rd harmonics (90dB, 1m)
<1% 55Hz – 20kHz
<0.5% 60Hz – 20kHz
Nominal Impedance8Ω (minimum 4.1Ω)
Crossover frequency150Hz, 4kHz
Recommended Amplifier Power50W – 150W into 8Ω on unclipped programme
Max. Recommended Cable Impedance0.1Ω
Dimensions
Height:957mm (37.7 in)
Width:222mm (8.7 in)
Depth:319mm (12.6 in)
Net weight21 kg (46 lb)
Finishes
Cabinet - Real Wood VeneersBlack Ash
Cherry
Maple
Rosenut
Walnut
Grille:Black cloth
Society of Sound
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