Scan Speak 12 M 4631 G Revelator - 4 Ohm

-6 %

RRP 325,00 €

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12M 4631 G00 Revelator

The Revelator midranges are well known for their sliced paper cone technology. The slices are filled with damping glue, which dramatically reduces break-up modes in the diaphragm. In combination with Scan-Speaks low-loss linear suspension it represented a breakthrough in midrange clarity and overall smooth frequency response characteristics.

Key features:
  • Excellent Midrange reproduction
  • Low-Loss Linear Suspension
  • Compact Neodymium Magnet System
  • Sliced Cone (Controls Cone Breakups)
  • High Output 89dB @ 2,83V

Short data

Usage as Midrange
Power Handling 40 Watt
Impedance 4 Ohm
Frequency from 75 Hz
Max. Frequency 8 kHz
Sound pressure 89 dB


Overall dimensions 115.5 mm
Baffle cutout 92 mm
Depth (Total) 48.4 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Paper
Dustcap Material Paper
Voice coil Ø 38 mm
Voice coil height 10 mm
Voice coil material Fibreglass
Air gap height 4 mm
Magnet Ø 61 mm
Magnet-height 28 mm


Resonance fs fs: 75 Hz
Mechanical Q Qms: 5.57
Electrical Q Qes: 0.35
Total Q Qts: 0.33
Equivalent Air-Volumen Vas: 2.3 Liter
DC-Resistance Re: 3.2 Ohm
Coil Inductance Le: 0.22 mH
Mech. Compliance Cms: 0.69 mm/N
Moving Mass Mms: 6.5 g
mech. Resistance Rms: 0.55 kg/s-¹
Max. Excursion +/- Xmax: 7 mm
BL Product Bl: 5.3 N/A
Membrane Area Sd: 49 cm²
Sound pressure dB: 89 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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