GAS Audio Power CMP S3-12D.5

2x0.5Ω
2x1Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance38.8 Hz
Q factor0.29
Sensitivity87.8 dB
Linear excursion± 40 mm
Program Power10000 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 87.8dB
  • Frequency response 20 - 100Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 38.8Hz
  • Mechanical quality factor QMS 4.17
  • Electrical quality factor QES 0.31
  • 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 5000W
  • Program power Pmax 10000W

Voice Coil

  • Nominal impedance Z 2 x 1Ω
  • DC resistance (in series) RE 2.0Ω
  • Inductance (1kHz, in series) LE 1.72mH
  • VC Diameter 101.6mm
  • Winding height HVC 80mm
  • Winding material Copper Clad Aluminum

Magnet

  • Force factor (in series) Bl 36.6N/A
  • Motor constant Bl/√RE 18.3N/√W
  • Diameter 280mm
  • Weight 18.71kg
  • Material Neodymium / Ferrite

Diaphragm

  • Effective diameter 240mm
  • Effective area SD 452cm²
  • Moving mass MMS 432g
  • Moving mass (without air load) MMD 425g
  • Material Reinforced Mica pulp

Suspensions

  • Stiffness KMS 25N/mm
  • Compliance CMS 40µm/N
  • Equivalent volume to the compliance VAS 11.1L
  • Mechanical resistance RMS 25.3N·s/m
  • Surround material Foam
  • Spider material Nomex

Dimensions

  • Nominal diameter 12
  • 300mm
  • Overall diameter 321mm
  • Baffle cutout diameter 285mm
  • Overall depth 258mm
  • Flange thickness 17mm
  • Mounting depth 241mm
  • Volume occupied by the driver 9.3L
  • Net weight 44.6kg
  • Frame material Aluminium

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