Cerwin Vega HS124D

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 319 mm
Resonance31 Hz
Q factor0.92
Sensitivity84 dB
Linear excursion± 8.3 mm
Program Power500 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 31Hz
  • Mechanical quality factor QMS 5.00
  • Electrical quality factor QES 1.13
  • Total quality factor QTS 0.92

Large signal parameters

  • Maximum linear excursion xmax 8.3mm
  • Air volume displaced at xmax VD 440cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.0Ω
  • Inductance (1kHz, in series, estimated) LE 4.6mH

Magnet

  • Force factor (in series) Bl 14.6N/A
  • Motor constant Bl/√RE 5.96N/√W

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 530cm²
  • Moving mass MMS 205g
  • Moving mass (without air load) MMD 196g

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 50.9L
  • Mechanical resistance RMS 7.99N·s/m

Dimensions

  • Nominal diameter 12
  • 319mm
  • Overall diameter 319mm
  • Baffle cutout diameter 283mm
  • Mounting depth 97mm
  • Volume occupied by the driver 1.05L
Cerwin Vega HS124D Dimensions

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