GRS 10S-8

8Ω

Full-range

Nominal diameter4″ / 117 mm
Resonance151 Hz
Q factor1.65
Sensitivity91 dB
Linear excursion± 1.5 mm
Program power50 W
GRS 10S-8 Full-rangeGRS 10S-8 Full-rangeGRS 10S-8 Full-range
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 91dB
  • Frequency response 100 - 11000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 151Hz
  • Mechanical quality factor QMS 7.68
  • Electrical quality factor QES 2.10
  • Total quality factor QTS 1.65

Large signal parameters

  • Maximum linear excursion (one way) xmax 1.5mm
  • Air volume displaced at xmax VD 7.9cm³
  • Power handling P 25W
  • Program power Pmax 50W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 0.21mH
  • VC Diameter 15mm

Magnet

  • Force factor Bl 2.8N/A
  • Motor constant Bl/√RE 1.04N/√W
  • Diameter 60mm

Diaphragm

  • Effective diameter 82mm
  • Effective area SD 52.5cm²
  • Moving mass (including air load) MMS 2.4g
  • Moving mass MMD 2.1g

Suspensions

  • Stiffness KMS 2.17N/mm
  • Compliance CMS 460µm/N
  • Equivalent volume to the compliance VAS 1.79L
  • Mechanical resistance RMS 0.3N·s/m

Dimensions

  • Nominal diameter 4″
  • 117mm
  • Overall diameter 117mm
  • Baffle cutout diameter 94mm
  • Overall depth 40mm
  • Volume occupied by the driver (estimated) 0.12L
Impedance
SPL
GRS 10S-8 Impedance
GRS 10S-8 SPL
GRS 10S-8 Dimensions
PDF fileDatasheet

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