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Bowers & Wilkins At home on a stand, wall 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.
The Decoupled Double Dome tweeter found in the 685 S2, and the rest of the new 600 Series, is technology taken straight from our award-winning CM10 speaker. A dual-layer design combines a thin aluminium dome for lightness and a thicker aluminium ring for rigidity the result is absolutely stunning, with far greater clarity in the audible spectrum.
The tweeter is also decoupled from the main cabinet, kept physically separate in its own cavity with a ring of gel cushioning it from vibrations. This improves imaging and dispersion for a more natural, spacious treble.
As well as a decoupled, double dome aluminium tweeter, the two-way 685 S2 features a full-range 6.5-inch driver constructed from woven Kevlar and using Anti-Resonance Plug dustcaps, as seen in high-end Bowers & Wilkins speakers. The result is stunning audio quality from a highly versatile smaller speaker.
| Specifications | |
|---|---|
| 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 | 8Ω (minimum 3.5Ω) |
| Crossover frequencies | 4kHz |
| Recommended amplifier power | 25W - 100W into 8Ω on unclipped programme |
| Max. recommended cable impedance | 0.1Ω |
| Dimensions | Height: 345mm (13.5 in) Width: 190mm (7.5 in) Depth: 324mm (12.8 in) |
| Net weight | 6.8kg (14.9 lb) |
| Finishes | Black Ash |
