SB Audience BIANCO-12OB150-01

Subwoofer

Nominal diameter12″ / 305 mm
Resonance44 Hz
Q factor0.63
Sensitivity92.2 dB
Linear excursion± 6.8 mm
Program Power300 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 92.2dB
  • Frequency response 44 - 5550Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 44Hz
  • Mechanical quality factor QMS 6.39
  • Electrical quality factor QES 0.69
  • Total quality factor QTS 0.63

Large signal parameters

  • Maximum linear excursion xmax 6.8mm
  • Maximum excursion before damage xlim 11mm
  • Air volume displaced at xmax VD 366cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 1.18mH
  • VC Diameter 60.5mm
  • Winding height HVC 16.3mm
  • Winding material Copper
  • Former material Till

Magnet

  • Flux density B 0.89T
  • Force factor Bl 12.2N/A
  • Motor constant Bl/√RE 4.55N/√W
  • Air gap height HAG 8mm
  • Diameter 145mm
  • Material Ferrite

Diaphragm

  • Effective diameter 262mm
  • Effective area SD 539cm²
  • Moving mass MMS 52.4g
  • Moving mass (without air load) MMD 43.8g
  • Material Paper

Suspensions

  • Stiffness KMS 4N/mm
  • Compliance CMS 250µm/N
  • Equivalent volume to the compliance VAS 104L
  • Mechanical resistance RMS 2.26N·s/m

Dimensions

  • Nominal diameter 12
  • 305mm
  • Overall diameter 305mm
  • Baffle cutout diameter 278mm
  • Overall depth 132mm
  • Flange thickness 10mm
  • Mounting depth 123mm
  • Volume occupied by the driver 2.04L
  • Net weight 3.6kg
  • Frame material Stamped steel
SB Audience BIANCO-12OB150-01 SPL & Impedance
SB Audience BIANCO-12OB150-01 Dimensions

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fS45 Hz
SD539 cm²
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