Cerwin Vega V122DV2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 320 mm
Resonance26.7 Hz
Q factor0.64
Sensitivity84.6 dB
Linear excursion± 17 mm
Program Power1300 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 84.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 26.7Hz
  • Mechanical quality factor QMS 11.40
  • Electrical quality factor QES 0.68
  • Total quality factor QTS 0.64

Large signal parameters

  • Maximum linear excursion xmax 17mm
  • Air volume displaced at xmax VD 833cm³
  • Power handling P 450W
  • Program power Pmax 1300W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.0Ω
  • Inductance (1kHz, in series, estimated) LE 2.82mH

Magnet

  • Force factor (in series) Bl 13.1N/A
  • Motor constant Bl/√RE 6.55N/√W
  • Diameter 166mm

Diaphragm

  • Effective diameter 250mm
  • Effective area SD 490cm²
  • Moving mass MMS 180g
  • Moving mass (without air load) MMD 172g

Suspensions

  • Stiffness KMS 5.08N/mm
  • Compliance CMS 197µm/N
  • Equivalent volume to the compliance VAS 67L
  • Mechanical resistance RMS 2.65N·s/m

Dimensions

  • Nominal diameter 12
  • 320mm
  • Overall diameter 320mm
  • Baffle cutout diameter 272mm
  • Mounting depth 144mm
  • Volume occupied by the driver 2.5L
  • Net weight 7.7kg
Cerwin Vega V122DV2 Dimensions

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