GRS 10PR-8

8Ω

Woofer

Nominal diameter10″ / 254 mm
Resonance40 Hz
Q factor0.97
Sensitivity87.3 dB
Linear excursion± 3 mm
Program power160 W
GRS 10PR-8 WooferGRS 10PR-8 WooferGRS 10PR-8 Woofer
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 87.3dB
  • Frequency response 35 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 3.68
  • Electrical quality factor QES 1.32
  • Total quality factor QTS 0.97

Large signal parameters

  • Maximum linear excursion (one way) xmax 3mm
  • Air volume displaced at xmax VD 104cm³
  • Power handling P 80W
  • Program power Pmax 160W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.3Ω
  • Inductance (1kHz) LE 1.1mH
  • VC Diameter 38mm

Magnet

  • Force factor Bl 8N/A
  • Motor constant Bl/√RE 2.96N/√W
  • Diameter 120mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 345cm²
  • Moving mass (including air load) MMS 45.7g
  • Moving mass MMD 41.1g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 2.94N/mm
  • Compliance CMS 340µm/N
  • Equivalent volume to the compliance VAS 57.3L
  • Mechanical resistance RMS 3.12N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10″
  • 254mm
  • Overall diameter 255mm
  • Baffle cutout diameter 233mm
  • Overall depth 106mm
  • Flange thickness 8mm
  • Mounting depth 98mm
  • Volume occupied by the driver (estimated) 1.2L
Impedance
SPL
GRS 10PR-8 Impedance
GRS 10PR-8 SPL
GRS 10PR-8 Dimensions
PDF fileDatasheet

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