686 S2 Speaker

Small is beautiful. The 686 S2 is the most compact speaker in the series, but don’t underestimate its power and precision. That’s thanks to a new Decoupled Double Dome tweeter and improved design.

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Technical features

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

2-way vented-box system

Drive units

  • 1x ø25mm (1 in) aluminium dome high-frequency
  • 1x ø130mm (5 in) woven Kevlar® cone bass/ midrange

Frequency range
-6dB at 54Hz and 50kHz

Frequency response
62Hz – 22kHz ±3dB on reference axis


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

85dB spl (2.83V, 1m)

Harmonic distortion

  • 2nd and 3rd harmonics (90dB, 1m)
  • <1% 110Hz – 22kHz
  • <0.5% 180Hz – 20kHz

Nominal impedance
8V (minimum 5.2V)

Crossover frequency

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

Max. recommended cable impedance
programme 0.1V

Height: 315mm (12.4 in)
Width: 160mm (6.3 in)
Depth: 229mm (9.0 in) cabinet, grille and terminals, 233mm (9.2 in) cabinet, grille and wall bracket

Net Weight
4.6kg (10.1 lb)

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