GRS 6AS-4

4Ω

Full-range

Nominal diameter6″ / 157 mm
Resonance84.1 Hz
Q factor1.39
Sensitivity89.2 dB
Program power80 W
GRS 6AS-4 Full-rangeGRS 6AS-4 Full-rangeGRS 6AS-4 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 89.2dB
  • Frequency response 75 - 10000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 84.1Hz
  • Mechanical quality factor QMS 4.98
  • Electrical quality factor QES 1.83
  • Total quality factor QTS 1.39

Large signal parameters

  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.5Ω
  • Inductance (1kHz) LE 0.4mH

Magnet

  • Force factor Bl 2.98N/A
  • Motor constant Bl/√RE 1.59N/√W
  • Diameter 80mm
  • Height 12mm

Diaphragm

  • Effective diameter 124mm
  • Effective area SD 120cm²
  • Moving mass (including air load) MMS 8.77g
  • Moving mass MMD 7.8g

Suspensions

  • Stiffness KMS 2.45N/mm
  • Compliance CMS 408µm/N
  • Equivalent volume to the compliance VAS 8.37L
  • Mechanical resistance RMS 0.93N·s/m

Dimensions

  • Nominal diameter 6″
  • 157mm
  • Overall diameter 157mm
  • Baffle cutout diameter 142mm
  • Overall depth 51mm
  • Flange thickness 7mm
  • Mounting depth 44mm
  • Volume occupied by the driver (estimated) 0.24L
Impedance
SPL
GRS 6AS-4 Impedance
GRS 6AS-4 SPL
GRS 6AS-4 Dimensions
PDF fileDatasheet

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