SoundStream RSW.152

2x2Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance26 Hz
Q factor0.90
Sensitivity86.9 dB
Linear excursion± 16.5 mm
Program power2600 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 86.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 26Hz
  • Mechanical quality factor QMS 6.45
  • Electrical quality factor QES 1.05
  • Total quality factor QTS 0.90

Large signal parameters

  • Maximum linear excursion (one way) xmax 16.5mm
  • Maximum excursion before damage xlim 53.5mm
  • Air volume displaced at xmax VD 1369cm³
  • Power handling P 1300W
  • Program power Pmax 2600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.6Ω
  • Inductance (1kHz, in series, estimated) LE 4.45mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 21.7N/A
  • Motor constant Bl/√RE 11.4N/√W

Diaphragm

  • Effective diameter 325mm
  • Effective area SD 829cm²
  • Moving mass (including air load) MMS 420g
  • Moving mass MMD 403g
  • Material Spruce pulp cone

Suspensions

  • Stiffness KMS 11.2N/mm
  • Compliance CMS 89.4µm/N
  • Equivalent volume to the compliance VAS 87.2L
  • Mechanical resistance RMS 10.6N·s/m
  • Surround material Poly-ether foam
  • Spider material Poly-cotton

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 394mm
  • Baffle cutout diameter 356mm
  • Mounting depth 213mm
  • Volume occupied by the driver (estimated) 4.7L
  • Frame material Die-Cast Aluminium

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