ALPINE RS-W10D2

2x2Ω
2x4Ω

Shallow Subwoofer

Nominal diameter10″ / 250 mm
Resonance30 Hz
Q factor0.95
Sensitivity80.7 dB
Linear excursion± 20 mm
Program power1200 W
Frequency
Hz
Impedance
Ω
Impedance phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical phase
°
Group delay
ms
Transient response
ms
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Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 80.7dB
  • Frequency response 25 - 100Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 6.67
  • Electrical quality factor QES 1.11
  • Total quality factor QTS 0.95

Large signal parameters

  • Maximum linear excursion (one way) xmax 20mm
  • Maximum excursion before damage xlim 27mm
  • Air volume displaced at xmax VD 760cm³
  • Power handling P 600W
  • Program power Pmax 1200W
  • Peak power Ppeak 1800W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.6Ω
  • Inductance (1kHz, in series, estimated) LE 3.39mH
  • VC Diameter 100mm

Magnet

  • Force factor (in series) Bl 13.1N/A
  • Motor constant Bl/√RE 6.9N/√W
  • Diameter 203mm
  • Weight 0.295kg
  • Material Neodymium

Diaphragm

  • Effective diameter 220mm
  • Effective area SD 380cm²
  • Moving mass (including air load) MMS 279g
  • Moving mass MMD 274g

Suspensions

  • Stiffness KMS 9.9N/mm
  • Compliance CMS 101µm/N
  • Equivalent volume to the compliance VAS 20.6L
  • Mechanical resistance RMS 7.88N·s/m

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 255mm
  • Baffle cutout diameter 243mm
  • Overall depth 104mm
  • Flange thickness 23mm
  • Mounting depth 81mm
  • Volume occupied by the driver 1.13L
  • Frame material Die-Cast Aluminium
ALPINE RS-W10D2 Dimensions

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