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Scanspeak 23W/4557T02 Subwoofer - Revelator Range

Scanspeak 23W/4557T02 Revelator 10 inch 4 ohm subwoofer with black alloy cone.

Revelator logo


Premium quality sub woofer with rigid anodised alloy cone offering excellent transient accuracy and bass power. Ideal for top quality domestic sub bass or in-car applications. A 'little beast' capable of high SPLs.

Top notch construction with a heavy duty alloy chassis. Extended pistonic action ensures a well controlled response curve. Huge total excursion of 40mm.

Connection by solder tag or binding posts. 4 Ohm impedance.

Black anodised cone - silver cone version here:  23W/4557T00

Key Features:

  • Black Anodized Rigid Aluminium Cone
  • Die cast Aluminium Chassis vented below spider
  • Patented Symmetrical Drive Motor Design
  • Ferrite Magnet System w. Rubber Boot
  • Gold Binding Post Terminals

Basic parameters:

Resonant frequency (fs) 21 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 4.80 DC resistance (Re) 3.45 Ω
Electrical Q factor (Qes) 0.52 RMS power handling 225 W
Total Q factor (Qts) 0.47 Sensitivity (2.83V/1m) 82 dB
Equivalent volume (Vas) 45L Chassis diameter 255 mm

Here's the full datasheet:

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