Pioneer TS-W311D4

4Ω
D4
S4

Subwoofer

Nominal diameter12″ / 300 mm
Resonance43 Hz
Q factor1.05
Sensitivity88.1 dB
Linear excursion± 10.8 mm
Program Power800 W
Pioneer TS-W311D4 SubwooferPioneer TS-W311D4 Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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 88.1dB
  • Frequency response 20 - 125Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 43Hz
  • Mechanical quality factor QMS 13.79
  • Electrical quality factor QES 1.02
  • Total quality factor QTS 1.05

Large signal parameters

  • Maximum linear excursion xmax 10.8mm
  • Air volume displaced at xmax VD 562cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 5.8Ω
  • Inductance (1kHz, in series) LE 4.85mH
  • VC Diameter 48mm
  • Winding height HVC 31.6mm
  • Winding material Copper

Magnet

  • Flux density B 0.738T
  • Force factor (in series) Bl 16.2N/A
  • Motor constant Bl/√RE 6.73N/√W
  • Air gap height HAG 10mm
  • Weight 2.1kg
  • Material Ferrite

Diaphragm

  • Effective diameter 257mm
  • Effective area SD 520cm²
  • Moving mass MMS 166g
  • Moving mass (without air load) MMD 157g
  • Material IMPP

Suspensions

  • Stiffness KMS 13.2N/mm
  • Compliance CMS 76µm/N
  • Equivalent volume to the compliance VAS 32.7L
  • Mechanical resistance RMS 3.39N·s/m
  • Surround material Fiber Reinforced Elastic Polymer

Dimensions

  • Nominal diameter 12″
  • 300mm
  • Overall diameter 327mm
  • Baffle cutout diameter 283mm
  • Overall depth 169mm
  • Flange thickness 18mm
  • Mounting depth 151mm
  • Volume occupied by the driver 1.67L
  • Net weight 6.2kg
Impedance
Step response
Tone Burst
Pioneer TS-W311D4 Dimensions

Export this driver to a simulation software:

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