Scan Speak 23 W 4557 T02 Revelator - Alu Black (pair)

RRP 778,00 €

2 piece | 385,00 € €/piece
incl. 19% VAT plus shipping
Goods have to be ordered
23W 4557 T02 Revelator

The Revelator woofers and subwoofers features very rigid cones in paper or aluminium
that operates as a piston over a wide frequency range, in combination with Scan-
Speaks linear suspension and the patented Symmetrical Drive (SD-1) it results in very
low distortion and a smooth and well behaved frequency response as well as perfect
transient reproduction.

Key features:
  • Patented Symmetrical Drive Motor Design
  • Long Throw Surround
  • Ferrite Magnet System w. Rubber Boot
  • Black Anodized Rigid Alu Cone
  • Die cast Alu Chassis vented below spider
  • Gold Binding Post Terminals

Short data

Usage as Woofer
Power Handling 225 Watt
Impedance 4 Ohm
Frequency from 21 Hz
Max. Frequency 2 kHz
Sound pressure 82 dB


Overall dimensions 255 mm
Baffle cutout 225 mm
Depth (Total) 135.1 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Material Aluminium
Voice coil Ø 50 mm
Voice coil height 34 mm
Air gap height 8 mm
Magnet Ø 145 mm


Resonance fs fs: 21 Hz
Mechanical Q Qms: 4.80
Electrical Q Qes: 0.52
Total Q Qts: 0.47
Equivalent Air-Volumen Vas: 45.0 Liter
DC-Resistance Re: 3.45 Ohm
Coil Inductance Le: 0.45 mH
Mech. Compliance Cms: 0.60 mm/N
Moving Mass Mms: 101 g
mech. Resistance Rms: 2.71 kg/s-¹
Max. Excursion +/- Xmax: 20 mm
BL Product Bl: 9.3 N/A
Membrane-Area Sd: 232 cm²
Sound pressure dB: 82 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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