GRS 10PF-8

8Ω

Woofer

Nominal diameter10″ / 254 mm
Resonance45 Hz
Q factor1.21
Sensitivity89.4 dB
Linear excursion± 3 mm
Program power220 W
GRS 10PF-8 WooferGRS 10PF-8 WooferGRS 10PF-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 89.4dB
  • Frequency response 40 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 45Hz
  • Mechanical quality factor QMS 5.30
  • Electrical quality factor QES 1.57
  • Total quality factor QTS 1.21

Large signal parameters

  • Maximum linear excursion (one way) xmax 3mm
  • Air volume displaced at xmax VD 103cm³
  • Power handling P 110W
  • Program power Pmax 220W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 1.2mH
  • VC Diameter 38mm

Magnet

  • Force factor Bl 6.8N/A
  • Motor constant Bl/√RE 2.53N/√W
  • Diameter 100mm
  • Height 18mm

Diaphragm

  • Effective diameter 209mm
  • Effective area SD 345cm²
  • Moving mass (including air load) MMS 35.7g
  • Moving mass MMD 31.1g
  • Material Poly-laminated paper

Suspensions

  • Stiffness KMS 2.86N/mm
  • Compliance CMS 350µm/N
  • Equivalent volume to the compliance VAS 58.9L
  • Mechanical resistance RMS 1.9N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 10″
  • 254mm
  • Overall diameter 255mm
  • Baffle cutout diameter 233mm
  • Overall depth 102mm
  • Flange thickness 7mm
  • Mounting depth 94mm
  • Volume occupied by the driver (estimated) 1.2L
Impedance
SPL
GRS 10PF-8 Impedance
GRS 10PF-8 SPL
GRS 10PF-8 Dimensions
PDF fileDatasheet

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