GAS Audio Power MAD S2-10D2

2x2Ω

Subwoofer

Nominal diameter10″ / 250 mm
Resonance30 Hz
Q factor0.44
Sensitivity85.1 dB
Linear excursion± 8.5 mm
Program Power600 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 85.1dB
  • Frequency response 25 - 250Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 4.21
  • Electrical quality factor QES 0.47
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion (one way) xmax 8.5mm
  • Air volume displaced at xmax VD 284cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.6Ω
  • Inductance (1kHz, in series) LE 2.64mH
  • VC Diameter 51mm
  • Winding material Pure Copper Wire

Magnet

  • Force factor (in series) Bl 11.4N/A
  • Motor constant Bl/√RE 6.01N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 206mm
  • Effective area SD 334cm²
  • Moving mass MMS 105g
  • Moving mass (without air load) MMD 101g
  • Material IMPP

Suspensions

  • Stiffness KMS 3.2N/mm
  • Compliance CMS 313µm/N
  • Equivalent volume to the compliance VAS 39.5L
  • Mechanical resistance RMS 4.7N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 257mm
  • Baffle cutout diameter 231mm
  • Mounting depth 119mm
  • Volume occupied by the driver 1.2L
  • Net weight 3.8kg
  • Frame material Steel

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