Pioneer TS-A2500LS4

Subwoofer

Nominal diameter10″ / 207 mm
Resonance38 Hz
Q factor0.83
Sensitivity83.7 dB
Linear excursion± 8.3 mm
Program Power600 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 83.7dB
  • Frequency response 20 - 900Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 38Hz
  • Mechanical quality factor QMS 10.93
  • Electrical quality factor QES 0.90
  • Total quality factor QTS 0.83

Large signal parameters

  • Maximum linear excursion xmax 8.3mm
  • Air volume displaced at xmax VD 279cm³
  • Power handling P 300W
  • Program power Pmax 600W
  • Peak power Ppeak 1200W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.7Ω
  • Inductance (1kHz) LE 2.52mH
  • Winding material Copper
  • Former material Kapton

Magnet

  • Force factor Bl 12.3N/A
  • Motor constant Bl/√RE 6.39N/√W
  • Weight 1.23kg
  • Material Ferrite

Diaphragm

  • Effective diameter 207mm
  • Effective area SD 336cm²
  • Moving mass MMS 153g
  • Moving mass (without air load) MMD 149g
  • Material IMPP - Composite

Suspensions

  • Stiffness KMS 8.93N/mm
  • Compliance CMS 112µm/N
  • Equivalent volume to the compliance VAS 17.9L
  • Mechanical resistance RMS 3.38N·s/m
  • Surround material Rolled Rubber
  • Spider material Poly cotton

Dimensions

  • Nominal diameter 10
  • 207mm
  • Overall diameter 207mm
  • Baffle cutout diameter 229mm
  • Mounting depth 86mm
  • Volume occupied by the driver (estimated) 0.9L

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