SB Audience BIANCO-8MW125

Woofer

Nominal diameter8″ / 206 mm
Resonance89 Hz
Q factor0.55
Sensitivity92.5 dB
Linear excursion± 6.4 mm
Program Power250 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 92.5dB
  • Frequency response 89 - 7400Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 89Hz
  • Mechanical quality factor QMS 14.63
  • Electrical quality factor QES 0.57
  • Total quality factor QTS 0.55

Large signal parameters

  • Maximum linear excursion xmax 6.4mm
  • Maximum excursion before damage xlim 8mm
  • Air volume displaced at xmax VD 144cm³
  • Power handling P 125W
  • Program power Pmax 250W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.8Ω
  • Inductance (1kHz) LE 0.5mH
  • VC Diameter 49.5mm
  • Winding height HVC 15.5mm
  • Winding material Copper clad aluminium
  • Former material Till

Magnet

  • Flux density B 1.23T
  • Force factor Bl 11.3N/A
  • Motor constant Bl/√RE 4.69N/√W
  • Air gap height HAG 8mm
  • Diameter 140mm
  • Material Ferrite

Diaphragm

  • Effective diameter 169mm
  • Effective area SD 224cm²
  • Moving mass MMS 22.8g
  • Moving mass (without air load) MMD 20.4g
  • Material Paper

Suspensions

  • Stiffness KMS 7.14N/mm
  • Compliance CMS 140µm/N
  • Equivalent volume to the compliance VAS 10.1L
  • Mechanical resistance RMS 0.87N·s/m
  • Surround material Double half roll with damping glue

Dimensions

  • Nominal diameter 8
  • 206mm
  • Overall diameter 206mm
  • Baffle cutout diameter 180mm
  • Overall depth 108mm
  • Flange thickness 9mm
  • Mounting depth 99mm
  • Volume occupied by the driver 1.54L
  • Net weight 3.47kg
  • Frame material Stamped steel
SB Audience BIANCO-8MW125 SPL & Impedance
SB Audience BIANCO-8MW125 Dimensions

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