Dayton Audio DCS450-4

Subwoofer

Nominal diameter18″ / 454 mm
Resonance26.2 Hz
Q factor0.44
Sensitivity91.3 dB
Linear excursion± 8.3 mm
Program power600 W
Discontinued
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 91.3dB
  • Frequency response 22 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 26.2Hz
  • Mechanical quality factor QMS 4.98
  • Electrical quality factor QES 0.48
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion (one way) xmax 8.3mm
  • Air volume displaced at xmax VD 936cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.0Ω
  • Inductance (1kHz) LE 3.23mH
  • VC Diameter 76mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 16.8N/A
  • Motor constant Bl/√RE 9.7N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 380mm
  • Effective area SD 1134cm²
  • Moving mass (including air load) MMS 273g
  • Moving mass MMD 246g
  • Material Paper

Suspensions

  • Stiffness KMS 7.14N/mm
  • Compliance CMS 140µm/N
  • Equivalent volume to the compliance VAS 248L
  • Mechanical resistance RMS 9.02N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 18
  • 454mm
  • Overall diameter 454mm
  • Baffle cutout diameter 417mm
  • Overall depth 213mm
  • Volume occupied by the driver (estimated) 6.8L
  • Frame material Steel
Dayton Audio DCS450-4 Impedance
Dayton Audio DCS450-4 SPL
Dayton Audio DCS450-4 Dimensions

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