DS18 GEN-XX12.4DHE

2x4Ω

Subwoofer

Nominal diameter12″ / 316 mm
Resonance30.5 Hz
Q factor0.47
Sensitivity86.8 dB
Program Power1200 W
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 86.8dB
  • Frequency response 20 - 1500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30.5Hz
  • Mechanical quality factor QMS 3.99
  • Electrical quality factor QES 0.53
  • Total quality factor QTS 0.47

Large signal parameters

  • Power handling P 600W
  • Program power Pmax 1200W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.6Ω
  • Inductance (1kHz, in series) LE 6.74mH
  • VC Diameter 50.8mm
  • Winding material SV
  • Former material Black Aluminum

Magnet

  • Force factor (in series) Bl 19.2N/A
  • Motor constant Bl/√RE 7.46N/√W
  • Diameter 156mm
  • Weight 3.856kg
  • Material Ferrite

Diaphragm

  • Effective diameter 246mm
  • Effective area SD 475cm²
  • Moving mass MMS 154g
  • Moving mass (without air load) MMD 147g
  • Material Paper

Suspensions

  • Stiffness KMS 5.71N/mm
  • Compliance CMS 175µm/N
  • Equivalent volume to the compliance VAS 56.4L
  • Mechanical resistance RMS 7.41N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 12
  • 316mm
  • Overall diameter 316mm
  • Baffle cutout diameter 277mm
  • Overall depth 193mm
  • Flange thickness 28mm
  • Mounting depth 165mm
  • Volume occupied by the driver 1.69L
  • Frame material Steel
DS18 GEN-XX12.4DHE Dimensions

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