HTM61 S2 Speaker

The perfect partner for the 683 S2 in a commanding home theatre system, this true three-way centre speaker features two 6.5-inch drivers, an FST midrange and a Decoupled Double Dome tweeter.

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Technical features

  • Decoupled Double Dome aluminium tweeter with Nautilus™ tube loading
  • Kevlar® brand fibre cone FST™ midrange driver
  • Dual-layer aluminium cone bass driver Flowport™

3-way vented-box system

Drive units

  • 1x ø25mm (1 in) aluminium dome high-frequency
  • 1x ø100mm (4 in) woven Kevlar® cone FST™ midrange
  • 2x ø165mm (6.5 in) aluminium cone bass

Frequency range
-6dB at 42Hz and 50 kHz

Frequency response
50Hz – 22 kHz ±3dB on reference axis


  • Within 2dB of reference response
  • Horizontal: over 20º arc
  • Vertical: over 60º arc

88dB spl (2.83V, 1m)

Harmonic distortion

  • 2nd and 3rd harmonics (90dB, 1m)
  • <1% 95Hz – 22 kHz
  • <0.5% 180Hz – 20 kHz

Nominal impedance
8V (minimum 3.0V)

Crossover frequency
400Hz, 4kHz

Recommended amplifier power
230W – 150W into 8V on unclipped

Max. recommended cable impedance
programme 0.1V

Height: 218mm (8.6 in)
Width: 590mm (23.2 in)
Depth: 304mm (12 in) cabinet, grille and terminals

Net Weight
17.2kg (37.8 lb)

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