SB Audience NERO-8MWN400D

Woofer

Nominal diameter8″ / 208 mm
Resonance63 Hz
Q factor0.38
Sensitivity91 dB
Linear excursion± 6.7 mm
Program Power800 W
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 62 - 8700Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 63Hz
  • Mechanical quality factor QMS 4.07
  • Electrical quality factor QES 0.41
  • Total quality factor QTS 0.38

Large signal parameters

  • Maximum linear excursion xmax 6.7mm
  • Maximum excursion before damage xlim 11mm
  • Air volume displaced at xmax VD 140cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.25mH
  • VC Diameter 60.6mm
  • Winding height HVC 16mm
  • Winding material Copper Clad Aluminium
  • Former material Till

Magnet

  • Flux density B 0.85T
  • Force factor Bl 11.9N/A
  • Motor constant Bl/√RE 5.22N/√W
  • Air gap height HAG 8mm
  • Material Neodymium

Diaphragm

  • Effective diameter 163mm
  • Effective area SD 209cm²
  • Moving mass MMS 28.4g
  • Moving mass (without air load) MMD 26.2g
  • Material Paper

Suspensions

  • Stiffness KMS 4.35N/mm
  • Compliance CMS 230µm/N
  • Equivalent volume to the compliance VAS 13.9L
  • Mechanical resistance RMS 2.75N·s/m
  • Surround material Treated Cloth

Dimensions

  • Nominal diameter 8
  • 208mm
  • Overall diameter 208mm
  • Baffle cutout diameter 180mm
  • Overall depth 107mm
  • Flange thickness 7mm
  • Mounting depth 100mm
  • Volume occupied by the driver 4.4L
  • Net weight 3.0kg
  • Frame material Aluminium
SB Audience NERO-8MWN400D SPL & Impedance
SB Audience NERO-8MWN400D Dimensions

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