audison Voce II AV 12 D4 II

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance23 Hz
Q factor0.50
Sensitivity84.1 dB
Linear excursion± 16.8 mm
Program Power1100 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 84.1dB
  • Frequency response 25 - 400Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 23Hz
  • Mechanical quality factor QMS 6.20
  • Electrical quality factor QES 0.50
  • Total quality factor QTS 0.50

Large signal parameters

  • Maximum linear excursion (one way) xmax 16.8mm
  • Maximum excursion before damage xlim 20mm
  • Air volume displaced at xmax VD 906cm³
  • Power handling P 550W
  • Program power Pmax 1100W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.2Ω
  • Inductance (1kHz, in series) LE 7.2mH
  • VC Diameter 38.6mm
  • Winding height HVC 37mm
  • Winding material Copper Clad Aluminium
  • Former material GLASS FIBER

Magnet

  • Force factor (in series) Bl 24.4N/A
  • Motor constant Bl/√RE 9.09N/√W
  • Air gap height HAG 7mm
  • Diameter 156mm
  • Height 34mm
  • Material FERRITE

Diaphragm

  • Effective diameter 262mm
  • Effective area SD 539cm²
  • Moving mass MMS 298g
  • Moving mass (without air load) MMD 289g
  • Material POLYPROPYLENE

Suspensions

  • Stiffness KMS 6.67N/mm
  • Compliance CMS 150µm/N
  • Equivalent volume to the compliance VAS 63L
  • Mechanical resistance RMS 6.95N·s/m

Dimensions

  • Nominal diameter 12
  • 300mm
  • Overall diameter 318mm
  • Baffle cutout diameter 283mm
  • Overall depth 103mm
  • Flange thickness 12mm
  • Mounting depth 88mm
  • Volume occupied by the driver (estimated) 2.3L
  • Net weight 6.6kg
  • Frame material ALUMINIUM

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