Scan Speak ASE 18 W 8522 A01 Woofer

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Scan Speak ASE 18 W 8522 A01 Low-midrange driver

Technical description
  • High-quality 18 cm low-midrange driver, made in Denmark
  • Low-resonance, ventilated die-cast aluminum basket
  • Lightweight paper membrane coated on both sides
  • 2-layer 25 mm voice coil on aluminum support
  • Linear frequency response up to over 5 Khz with minimal distortion even with large deflections
  • Use up to approx. 3.5 Khz in combination with high-quality 19 mm or 25 mm tweeter systems
  • ideal parameter set for reflex constructions with volumes of 16 - 20 liters

Short data

Usage as Bass-Midrange
Power Handling 60 Watt
Impedance 8 Ohm
Frequency from 50 Hz
Max. Frequency 5 kHz


Overall dimensions 180.5 mm
Baffle cutout 145 mm
Depth (Total) 78.5 mm
Front material Aluminium diecast
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Paper coated
Dustcap Material Paper
Voice coil Ø 25 mm
Voice coil height 12 mm
Magnet Ø 91.8 mm


Resonance fs fs: 47 Hz
Mechanical Q Qms: 2.8
Electrical Q Qes: 0.42
Total Q Qts: 0.36
Equivalent Air-Volumen Vas: 25 Liter
DC-Resistance Re: 5.7 Ohm
Coil Inductance Le: 0.6 mH
Mech. Compliance Cms: 1.04 mm/N
Moving Mass Mms: 11 g
mech. Resistance Rms: 1.16 kg/s-¹
Max. Excursion +/- Xmax: 3 mm
BL Product Bl: 6.7 N/A
Membrane Area Sd: 143 cm²
Sound pressure dB: 90 SPL

Frequency and Impedance

Technical Drawing

PDF-Product information

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