Scanspeak 18W/8542-00 Midwoofer - Classic Range

18W / 8542-00

Classic Bass / Midrange drive unit.

Classic logo

This popular 6.5" bass / midrange speaker has been used in various mainstream designs ~ a long term favourite with the DIY speaker building community and widely regarded as one of the finest pulp based drive units ever produced.

Features include an air dried composite fibre cone, symmetric drive and an alloy chassis.

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

Key Features:

  • Air Dried Paper / Carbon Fibre Cone
  • Patented Symmetrical Drive Motor Design
  • Low Damping Coated Foam Surround
  • Low-Loss linear suspension
  • 42mm Voice Coil

Basic parameters:

Resonant frequency (fs) 30 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 1.70 DC resistance (Re) 5.5 Ω
Electrical Q factor (Qes) 0.26 RMS power handling 70 W
Total Q factor (Qts) 0.23 Sensitivity (2.83V/1m) 89 dB
Equivalent volume (Vas) 47.9L Chassis diameter 177 mm

Here's the full datasheet:

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Priced as singles, including VAT. Sold as pairs only (2 units).

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