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Scanspeak 18W/8535-01 Midwoofer - Classic range

Improved modern version of the highly regarded Classic 18W/8535-00.

Classic logo

This drive unit features a revised aluminium alloy chassis and combined fibre composite cone.

This is a beautifully smooth sounding speaker that carries forward and continues the 3 decades of excellence set down by its predecessor.

A full datasheet can be downloaded from the bottom of this page.

Key Features:

  • Coated Air Dried Paper / Carbon Fibre Cone
  • Patented Symmetrical Drive Motor Design
  • Low Damping SBR Rubber Surround
  • 38mm Voice Coil

Basic parameters:

Resonant frequency (fs) 25 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 2.1 DC resistance (Re) 5.85 Ω
Electrical Q factor (Qes) 0.46 RMS power handling 70 W
Total Q factor (Qts) 0.38 Sensitivity (2.83V/1m) 87.2 dB
Equivalent volume (Vas) 68.9L Chassis diameter 177 mm

Here's the full datasheet:

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