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SB Acoustics Satori MW13P-8 Midwoofer

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The Satori MW13P-8 by SB Acoustics is a 5 inch 8 ohm midwoofer featuring a proprietary Papyrus / paper blended fibre cone, a high airflow cast chassis and a neodymium magnet assembly. Superb response, very low distortion.

Also available in 4 ohms: MW13P-4.

Key Features:

  • Vented aerodynamic cast aluminium chassis for optimum strength and low compression.
  • Proprietary cone material with EGYPTIAN PAPYRUS™ fibres made in-house.
  • Soft low damping rubber surround for optimum transient response.
  • Advanced BIMAX spider for improved linearity
  • Powerful optimised low distortion neodymium motor system.
  • Non-conducting fibre glass voice coil former for minimum damping.
  • Extended copper sleeve on pole piece for low inductance and reduced distortion.
  • CCAW voice coil for reduced moving mass.
  • Long life silver lead wires attached 180° apart for improved stability.
  • Vented pole piece and coil former for reduced compression.
  • Low piston to chassis diameter ratio.
  • Gasket and bolt hole protrusions for reduced coupling to speaker cabinet.

Basic parameters:

Resonant frequency (fs) 41.5 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 3.55 DC resistance (Re) 6.0Ω
Electrical Q factor (Qes) 0.33
Max power handling 40 W
Total Q factor (Qts) 0.30
Sensitivity (2.83V/1m)
Equivalent volume (Vas) 15L Chassis diameter

Here's the full datasheet:

.pdf link