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Scanspeak 18W/8545-01 Midwoofer - Classic Range

Revised and improved version of the very highly regarded 18W/8545-00.

Classic logo

New aluminium alloy chassis, cone composition and low loss suspension resulting in higher mechanical stability and sound quality.

Unique high internal damping treated Paper/Carbon fibre composite cone with symmetrical drive motor system.

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
  • Low-Loss linear suspension
  • Aluminium foiled 42mm Voice Coil

Basic parameters:

Resonant frequency (fs) 25 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 1.55 DC resistance (Re) 5.7 Ω
Electrical Q factor (Qes) 0.22 RMS power handling 100 W
Total Q factor (Qts) 0.20 Sensitivity (2.83V/1m) 88 dB
Equivalent volume (Vas) 68.6L Chassis diameter 177 mm

Here's the full datasheet:

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