SB Audience BIANCO-15SW400

Subwoofer

Nominal diameter15″ / 394 mm
Resonance41 Hz
Q factor0.48
Sensitivity93.5 dB
Linear excursion± 9.2 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 93.5dB
  • Frequency response 41 - 2500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 41Hz
  • Mechanical quality factor QMS 22.45
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.48

Large signal parameters

  • Maximum linear excursion xmax 9.2mm
  • Maximum excursion before damage xlim 14mm
  • Air volume displaced at xmax VD 777cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.5Ω
  • Inductance (1kHz) LE 1.29mH
  • VC Diameter 99.2mm
  • Winding height HVC 21.8mm
  • Winding material Copper
  • Former material Till

Magnet

  • Flux density B 1.02T
  • Force factor Bl 19.8N/A
  • Motor constant Bl/√RE 8.44N/√W
  • Air gap height HAG 10mm
  • Diameter 220mm
  • Material Ferrite

Diaphragm

  • Effective diameter 328mm
  • Effective area SD 845cm²
  • Moving mass MMS 134g
  • Moving mass (without air load) MMD 117g
  • Material Proprietary cone paper material with silk cotton tree

Suspensions

  • Stiffness KMS 9.09N/mm
  • Compliance CMS 110µm/N
  • Equivalent volume to the compliance VAS 112L
  • Mechanical resistance RMS 1.55N·s/m
  • Surround material Double half surround

Dimensions

  • Nominal diameter 15
  • 394mm
  • Overall diameter 394mm
  • Baffle cutout diameter 356mm
  • Overall depth 151mm
  • Flange thickness 18mm
  • Mounting depth 134mm
  • Volume occupied by the driver 4.69L
  • Net weight 9.8kg
  • Frame material Aluminium die cast
SB Audience BIANCO-15SW400 SPL & Impedance
SB Audience BIANCO-15SW400 Dimensions

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