GRS 10SW-4HE

4HE
4Ω

Subwoofer

Nominal diameter10″ / 257 mm
Resonance25.2 Hz
Q factor0.50
Sensitivity84.3 dB
Linear excursion± 11 mm
Program power400 W
GRS 10SW-4HE SubwooferGRS 10SW-4HE SubwooferGRS 10SW-4HE Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 84.3dB
  • Frequency response 26 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 25.2Hz
  • Mechanical quality factor QMS 4.00
  • Electrical quality factor QES 0.57
  • Total quality factor QTS 0.50

Large signal parameters

  • Maximum linear excursion (one way) xmax 11mm
  • Air volume displaced at xmax VD 381cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz) LE 3mH
  • VC Diameter 50.8mm
  • Former material aluminum

Magnet

  • Force factor Bl 10.8N/A
  • Motor constant Bl/√RE 5.54N/√W
  • Diameter 140mm

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass (including air load) MMS 111g
  • Moving mass MMD 106g
  • Material paper

Suspensions

  • Stiffness KMS 2.78N/mm
  • Compliance CMS 360µm/N
  • Equivalent volume to the compliance VAS 60.7L
  • Mechanical resistance RMS 4.38N·s/m
  • Surround material rubber

Dimensions

  • Nominal diameter 10″
  • 257mm
  • Overall diameter 257mm
  • Baffle cutout diameter 233mm
  • Overall depth 142mm
  • Flange thickness 11mm
  • Mounting depth 131mm
  • Volume occupied by the driver (estimated) 1.8L
Impedance
SPL
GRS 10SW-4HE Impedance
GRS 10SW-4HE SPL
GRS 10SW-4HE Dimensions
PDF fileDatasheet

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