SB Audience NERO-18SW1100D

Subwoofer

Nominal diameter18″ / 483 mm
Resonance36 Hz
Q factor0.33
Sensitivity94.5 dB
Linear excursion± 12.2 mm
Program Power2200 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 94.5dB
  • Frequency response 36 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 36Hz
  • Mechanical quality factor QMS 11.83
  • Electrical quality factor QES 0.34
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 12.2mm
  • Maximum excursion before damage xlim 17.5mm
  • Air volume displaced at xmax VD 1533cm³
  • Power handling P 1100W
  • Program power Pmax 2200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 1.36mH
  • VC Diameter 127mm
  • Winding height HVC 28.2mm
  • Winding material AISV Copper Wire
  • Former material FIBSV

Magnet

  • Flux density B 1.12T
  • Force factor Bl 30.9N/A
  • Motor constant Bl/√RE 13.8N/√W
  • Air gap height HAG 12mm
  • Diameter 280mm
  • Material Ferrite

Diaphragm

  • Effective diameter 400mm
  • Effective area SD 1257cm²
  • Moving mass MMS 294g
  • Moving mass (without air load) MMD 262g
  • Material Proprietary cone paper material with silk cotton tree

Suspensions

  • Stiffness KMS 14.3N/mm
  • Compliance CMS 70µm/N
  • Equivalent volume to the compliance VAS 153L
  • Mechanical resistance RMS 5.54N·s/m

Dimensions

  • Nominal diameter 18
  • 483mm
  • Overall diameter 483mm
  • Baffle cutout diameter 426mm
  • Overall depth 229mm
  • Flange thickness 17mm
  • Mounting depth 213mm
  • Volume occupied by the driver 10.5L
  • Net weight 20.7kg
  • Frame material Aluminium die cast
SB Audience NERO-18SW1100D SPL & Impedance
SB Audience NERO-18SW1100D Dimensions

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