DS18 EXL-XX12.4DHE

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 321 mm
Resonance41.3 Hz
Q factor0.46
Sensitivity86.4 dB
Program Power4000 W
DS18 EXL-XX12.4DHE SubwooferDS18 EXL-XX12.4DHE SubwooferDS18 EXL-XX12.4DHE Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 86.4dB
  • Frequency response 20 - 1300Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 41.3Hz
  • Mechanical quality factor QMS 4.53
  • Electrical quality factor QES 0.51
  • Total quality factor QTS 0.46

Large signal parameters

  • Power handling P 2000W
  • Program power Pmax 4000W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 8.0Ω
  • Inductance (1kHz, in series) LE 9.8mH
  • VC Diameter 75.6mm
  • Winding material Copper Clad Aluminium
  • Former material Black Aluminum

Magnet

  • Force factor (in series) Bl 34.3N/A
  • Motor constant Bl/√RE 12.1N/√W
  • Diameter 226mm
  • Weight 8.67kg
  • Material Ferrite

Diaphragm

  • Effective diameter 235mm
  • Effective area SD 434cm²
  • Moving mass MMS 285g
  • Moving mass (without air load) MMD 278g
  • Material Paper

Suspensions

  • Stiffness KMS 38.5N/mm
  • Compliance CMS 26µm/N
  • Equivalent volume to the compliance VAS 20.7L
  • Mechanical resistance RMS 16.4N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 12″
  • 321mm
  • Overall diameter 321mm
  • Baffle cutout diameter 282mm
  • Overall depth 235mm
  • Flange thickness 35mm
  • Mounting depth 200mm
  • Volume occupied by the driver 3.26L
  • Frame material Aluminium
Impedance
Step response
Tone Burst
DS18 EXL-XX12.4DHE Dimensions
PDF fileDatasheet

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