GRS 10SSW-4

Subwoofer

Nominal diameter10″ / 264 mm
Resonance46.4 Hz
Q factor1.02
Sensitivity85.2 dB
Linear excursion± 7 mm
Program Power300 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 85.2dB
  • Frequency response 45 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 46.4Hz
  • Mechanical quality factor QMS 8.57
  • Electrical quality factor QES 1.16
  • Total quality factor QTS 1.02

Large signal parameters

  • Maximum linear excursion xmax 7mm
  • Air volume displaced at xmax VD 211cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 4.5Ω
  • Inductance (1kHz) LE 2.36mH
  • VC Diameter 63.5mm

Magnet

  • Force factor Bl 10.3N/A
  • Motor constant Bl/√RE 4.87N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 196mm
  • Effective area SD 302cm²
  • Moving mass MMS 93.7g
  • Moving mass (without air load) MMD 89.6g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 19.8L
  • Mechanical resistance RMS 3.19N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 10
  • 264mm
  • Overall diameter 264mm
  • Baffle cutout diameter 235mm
  • Mounting depth 98mm
  • Volume occupied by the driver (estimated) 1.7L
  • Frame material Steel

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