684 S2 Speaker

Room-filling sound without a room-filling speaker cabinet. Slimmer than ever before, the 684 S2 offers an amazing combination of floorstander power, audio performance and unbeatable value.

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Description

Technical features

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

Description
2-way vented-box system

Drive units

  • 1x ø25mm (1 in) aluminium dome high-frequency
  • 2x ø130mm (5 in) woven Kevlar® cone bass/ midrange

Frequency range
-6dB at 45Hz and 50kHz

Frequency response
72Hz – 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% 140Hz – 22kHz
  • <0.5% 180Hz – 20kHz

Nominal impedance
8V (minimum 4.0V)

Crossover frequency
4kHz

Recommended amplifier power
25W – 150W into 8V on unclipped programme

Max. recommended cable impedance
0.1V

Dimensions
Height: 920mm (36.2 in) cabinet only, 955mm (37.6 in) including plinth but not feet
Width: 160mm (6.3 in) cabinet only, 235mm (9.3 in) over plinth
Depth: 234mm (9.2 in) cabinet, grille and terminals only, 238mm (9.4 in) over plinth

Net Weight
14.2kg (31.2 lb)

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