GAS Audio Power CMP S3-12D.5N

2x0.5Ω
2x1Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance35.8 Hz
Q factor0.29
Sensitivity87.3 dB
Linear excursion± 40 mm
Program Power16000 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 87.3dB
  • Frequency response 20 - 100Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 35.8Hz
  • Mechanical quality factor QMS 3.42
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.29

Large signal parameters

  • Maximum linear excursion (one way) xmax 40mm
  • Air volume displaced at xmax VD 1808cm³
  • Power handling P 8000W
  • Program power Pmax 16000W

Voice Coil

  • Nominal impedance Z 2 x 1Ω
  • DC resistance (in series) RE 2.0Ω
  • Inductance (1kHz, in series) LE 1.52mH
  • VC Diameter 101.6mm
  • Winding height HVC 80mm
  • Winding material Copper Clad Aluminum

Magnet

  • Force factor (in series) Bl 35N/A
  • Motor constant Bl/√RE 17.5N/√W
  • Diameter 236mm
  • Material Neodymium

Diaphragm

  • Effective diameter 240mm
  • Effective area SD 452cm²
  • Moving mass MMS 435g
  • Moving mass (without air load) MMD 428g
  • Material Paper / Pulp

Suspensions

  • Stiffness KMS 22.2N/mm
  • Compliance CMS 45µm/N
  • Equivalent volume to the compliance VAS 13L
  • Mechanical resistance RMS 28.6N·s/m
  • Surround material Foam
  • Spider material Nomex

Dimensions

  • Nominal diameter 12
  • 300mm
  • Overall diameter 321mm
  • Baffle cutout diameter 285mm
  • Overall depth 279mm
  • Flange thickness 26mm
  • Mounting depth 262mm
  • Volume occupied by the driver 7.4L
  • Net weight 30.4kg
  • Frame material Aluminium

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