Scanspeak Classic 21W/8555-10 Woofer

21W/8555-10

Popular Classic series 8 inch 8 Ohm Woofer.

Classic logo

UPDATED: 21W/8555.00 now has an Aluminium chassis and becomes 21W/8555.10 - no other changes.

Popular classic range 8 inch bass speaker that has been used in various mainstream designs across the years ~ the sound is very smooth, natural & uncoloured with good bass extension.

The treated mixed fibre (pulp and carbon) composite cone has excellent self damping characteristics. Strong Aluminium alloy chassis. 8 Ohms.

Solid choice for quality three way DIY /  home built designs.

Key Features:

  • Air Dried Paper / Carbon Fibre Cone
  • Patented Symmetrical Drive Motor Design
  • Low Damping SBR Rubber Surround
  • Low-Loss linear suspension
  • 42mm Voice Coil with Kapton former

Basic parameters:

Resonant frequency (fs) 20 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 4.50 DC resistance (Re) 5.5 Ω
Electrical Q factor (Qes) 0.33 RMS power handling 100 W
Total Q factor (Qts) 0.31 Sensitivity (2.83V/1m) 87 dB
Equivalent volume (Vas) 134L Chassis diameter 222 mm

Here's the full datasheet:

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Priced as singles, including VAT.




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