SB Audience BIANCO-15OB350

Subwoofer

Nominal diameter15″ / 391 mm
Resonance34 Hz
Q factor0.57
Sensitivity92.7 dB
Linear excursion± 11 mm
Program Power700 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 92.7dB
  • Frequency response 34 - 3700Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 34Hz
  • Mechanical quality factor QMS 12.17
  • Electrical quality factor QES 0.60
  • Total quality factor QTS 0.57

Large signal parameters

  • Maximum linear excursion xmax 11mm
  • Maximum excursion before damage xlim 15mm
  • Air volume displaced at xmax VD 943cm³
  • Power handling P 350W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 1.72mH
  • VC Diameter 65.5mm
  • Winding height HVC 24.7mm
  • Winding material Copper
  • Former material Till

Magnet

  • Flux density B 1.16T
  • Force factor Bl 16.5N/A
  • Motor constant Bl/√RE 6.14N/√W
  • Air gap height HAG 8mm
  • Diameter 180mm
  • Material Ferrite

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 106g
  • Moving mass (without air load) MMD 88.9g
  • Material Paper

Suspensions

  • Stiffness KMS 4.76N/mm
  • Compliance CMS 210µm/N
  • Equivalent volume to the compliance VAS 213L
  • Mechanical resistance RMS 1.87N·s/m

Dimensions

  • Nominal diameter 15
  • 391mm
  • Overall diameter 391mm
  • Baffle cutout diameter 363mm
  • Overall depth 169mm
  • Flange thickness 12mm
  • Mounting depth 157mm
  • Volume occupied by the driver 3.87L
  • Net weight 6.0kg
  • Frame material Stamped steel
SB Audience BIANCO-15OB350 SPL & Impedance
SB Audience BIANCO-15OB350 Dimensions

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