Dayton Audio Classic DC130B-8

Woofer

Nominal diameter5.25″ / 145 mm
Resonance52.5 Hz
Q factor0.38
Sensitivity87.1 dB
Linear excursion± 2.5 mm
Program Power80 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
  • Frequency response 50 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 52.5Hz
  • Mechanical quality factor QMS 1.85
  • Electrical quality factor QES 0.48
  • Total quality factor QTS 0.38

Large signal parameters

  • Maximum linear excursion xmax 2.5mm
  • Air volume displaced at xmax VD 23cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.77mH
  • VC Diameter 25.4mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 5.94N/A
  • Motor constant Bl/√RE 2.49N/√W
  • Weight 0.312kg
  • Material Ferrite

Diaphragm

  • Effective diameter 108mm
  • Effective area SD 91.6cm²
  • Moving mass MMS 9.1g
  • Moving mass (without air load) MMD 8.4g
  • Material Paper

Suspensions

  • Stiffness KMS 0.99N/mm
  • Compliance CMS 1010µm/N
  • Equivalent volume to the compliance VAS 12.4L
  • Mechanical resistance RMS 1.62N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 5.25
  • 145mm
  • Overall diameter 145mm
  • Baffle cutout diameter 120mm
  • Overall depth 68mm
  • Volume occupied by the driver (estimated) 0.32L
  • Frame material Steel
Dayton Audio DC130B-8 Impedance
Dayton Audio DC130B-8 SPL
Dayton Audio DC130B-8 Dimensions

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