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Bowers & Wilkins 683 User Manual

Page 46

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43

684

Technical features

Description

Drive units

Frequency range

Frequency response

Dispersion

Sensitivity

Harmonic distortion

Nominal impedance

Crossover frequency

Recommended amplifier power

Max. recommended cable impedance

Dimensions

Net weight

Nautilus

tube-loaded aluminium dome tweeter

Kevlar

®

brand fibre cone bass/midrange

Kevlar

®

brand fibre cone bass driver

Flowport

2.5-way vented-box system

1x ø25mm (1 in) aluminium dome high-frequency

1x ø165mm (6.5 in) woven Kevlar

®

cone bass/midrange

1x ø165mm (6.5 in) woven Kevlar

®

cone bass

-6dB at 34Hz and 50kHz

44Hz - 22kHz ±3dB on reference axis

Within 2dB of reference response

Horizontal: over 60° arc

Vertical:

over 10° arc

90dB spl (2.83V, 1m)

2nd and 3rd harmonics (90dB, 1m)

<1% 90Hz - 22kHz

<0.5% 120Hz - 20kHz

8

Ω (minimum 3.0Ω)

150Hz, 4kHz

25W - 150W into 8

Ω on unclipped programme

0.1

Height: 910mm (35.8 in) (not including plinth or feet)

Width:

198mm (7.8 in)

Depth:

300mm (11.8 in) (including grille and terminals)

18.2kg (40.1 lb)

6191 683-684 manual Inside 30/4/07 2:20 pm Page 43

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