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Scanspeak 30W/4558T00 Subwoofer - Discovery Range

Scanspeak 30W/4558T00 Discovery 12 inch 4 ohm Sub Bass Driver.

Discovery logo

High power 12 inch sub woofer with anodised alloy cone providing tight, solid bass with excellent speed, texture and extension. Featuring a rugged alloy chassis and Faraday ringed magnet this audiophile quality driver boasts a 56mm peak excursion with a resonance of 17 Hz and is capable of great, effortless bass reproduction.

A matching passive radiator can be found here:  30W-0-00-00

Key Features:

  • 56mm Peak Excursion, 25mm Linear
  • Die cast Alu Chassis vented below spider
  • Anodized Aluminium Cone, Fibre Glass Dust Cap
  • Alloy Ringed Magnet System
  • High Output 89dB @ 2,83V

Basic parameters:

Resonant frequency (fs) 17 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 5.01 DC resistance (Re) 2.6 Ω
Electrical Q factor (Qes) 0.34 RMS power handling 150 W
Total Q factor (Qts) 0.32 Sensitivity (2.83V/1m) 89 dB
Equivalent volume (Vas) 197L Chassis diameter 308 mm

Here's the full datasheet:

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