Scan Speak 21 W 8555-10 Paper

-6 %

RRP 279,00 €

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-6 %

The 21W/8555-10 is a mechanically upgraded version of 21W/8555-00, its major change is the a alu chassis, that maintain same shape, dimensions and visual appearance. The patented Symmetric Drive (SD-1) concept with copper in the magnet system and carbonfiber paper cone and low loss linear suspension continues to be the key features that make the 21W/8555-10 one of the best 8” woofers available.

Key features:
  • Patented Symmetrical Drive Motor Design SD-1
  • Low-Loss linear suspension
  • Low Damping SBR Rubber Surround
  • Die Cast Alu. Chassis
  • Air Dried Paper/Carbon Fibre Cone
  • 42mm Voice Coil

Short data

Usage as Woofer
Power Handling 100 Watt
Impedance 8 Ohm
Frequency from 100 Hz
Max. Frequency 1 kHz
Sound pressure 87 dB


Overall dimensions 222 mm
Baffle cutout 194 mm
Depth (Total) 87 mm
Frame Material Aluminium diecast
Voice coil Ø 42 mm
Voice coil height 19 mm
Air gap height 6 mm
Magnet Ø 121 mm


Resonance fs fs: 65 Hz
Mechanical Q Qms: 4.50
Electrical Q Qes: 0.33
Total Q Qts: 0.31
Equivalent Air-Volumen Vas: 134 Liter
DC-Resistance Re: 6.4 Ohm
Coil Inductance Le: 0.4 mH
Mech. Compliance Cms: 1.98 mm/N
Moving Mass Mms: 32 g
mech. Resistance Rms: 0.89 kg/s-¹
Max. Excursion +/- Xmax: 6.5 mm
BL Product Bl: 8.2 N/A
Membrane Area Sd: 220 cm²
Sound pressure dB: 87 SPL

Frequency & Impedance

Technical Diemsnions

PDF-Product information

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