SB Audience BIANCO-8MW250

Woofer

Nominal diameter8″ / 206 mm
Resonance74 Hz
Q factor0.40
Sensitivity92.5 dB
Linear excursion± 6.5 mm
Program Power500 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 75 - 10300Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 74Hz
  • Mechanical quality factor QMS 3.86
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.40

Large signal parameters

  • Maximum linear excursion xmax 6.5mm
  • Maximum excursion before damage xlim 12mm
  • Air volume displaced at xmax VD 137cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 0.53mH
  • VC Diameter 49.5mm
  • Winding height HVC 15.8mm
  • Winding material Copper
  • Former material Till

Magnet

  • Flux density B 1.26T
  • Force factor Bl 11N/A
  • Motor constant Bl/√RE 4.65N/√W
  • Air gap height HAG 8mm
  • Diameter 145mm
  • Material Ferrite

Diaphragm

  • Effective diameter 164mm
  • Effective area SD 211cm²
  • Moving mass MMS 21g
  • Moving mass (without air load) MMD 18.7g
  • Material Paper (coated)

Suspensions

  • Stiffness KMS 4.55N/mm
  • Compliance CMS 220µm/N
  • Equivalent volume to the compliance VAS 13.8L
  • Mechanical resistance RMS 2.53N·s/m
  • Surround material Cloth triple roll

Dimensions

  • Nominal diameter 8
  • 206mm
  • Overall diameter 206mm
  • Baffle cutout diameter 182mm
  • Overall depth 108mm
  • Flange thickness 9mm
  • Mounting depth 99mm
  • Volume occupied by the driver 1.8L
  • Net weight 3.7kg
  • Frame material Steel
SB Audience BIANCO-8MW250 SPL & Impedance
SB Audience BIANCO-8MW250 Dimensions

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