685 S2 Speaker

At home on a stand or bookshelf, the versatile 685 S2 is ideal for stereo and home theatre uses in most rooms. And performance is enhanced with the addition of a Decoupled Double Dome tweeter.

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Description

Technical features

  • Decoupled Double Dome aluminium tweeter with Nautilus™ tube loading
  • Kevlar® brand fibre cone bass/midrange Flowport™

Description
2-way vented-box system

Drive units

  • 1x ø25mm (1 in) aluminium dome high-frequency
  • 1x ø165mm (6.5 in) woven Kevlar® cone bass / midrange

Frequency range
-6dB at 45Hz and 50kHz

Frequency response
52Hz – 22kHz ±3dB on reference axis

Dispersion

  • Within 2dB of reference response
  • Horizontal: over 60º arc
  • Vertical: over 10º arc

Sensitivity
87dB spl (2.83V, 1m)

Harmonic distortion

  • 2nd and 3rd harmonics (90dB, 1m)
  • <1% 95Hz – 22kHz
  • <0.5% 140Hz – 20kHz

Nominal impedance
8V (minimum 4.0V)

Crossover frequency
4kHz

Recommended amplifier power
25W – 100W into 8V on unclipped programme

Max. recommended cable impedance
0.1V

Dimensions
Height: 345mm (13.5 in)
Width: 190mm (7.5 in)
Depth: 324mm (12.8 in) cabinet, grille and terminals

Net Weight
6.8kg (14.9 lb)

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