Dayton Audio Designer DSA315-8

Woofer

Nominal diameter12″ / 314 mm
Resonance24.2 Hz
Q factor0.33
Sensitivity88.4 dB
Linear excursion± 5.5 mm
Program Power240 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 88.4dB
  • Frequency response 24 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 24.2Hz
  • Mechanical quality factor QMS 1.89
  • Electrical quality factor QES 0.40
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 5.5mm
  • Air volume displaced at xmax VD 279cm³
  • Power handling P 120W
  • Program power Pmax 240W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.0Ω
  • Inductance (1kHz) LE 1.11mH
  • VC Diameter 49.5mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 16.1N/A
  • Motor constant Bl/√RE 6.57N/√W
  • Weight 2.183kg
  • Material Ferrite

Diaphragm

  • Effective diameter 254mm
  • Effective area SD 507cm²
  • Moving mass MMS 113g
  • Moving mass (without air load) MMD 105g
  • Material Aluminum

Suspensions

  • Stiffness KMS 2.63N/mm
  • Compliance CMS 380µm/N
  • Equivalent volume to the compliance VAS 147L
  • Mechanical resistance RMS 9.11N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 12
  • 314mm
  • Overall diameter 314mm
  • Baffle cutout diameter 272mm
  • Overall depth 130mm
  • Volume occupied by the driver (estimated) 2.1L
  • Frame material Steel
Dayton Audio DSA315-8 Impedance
Dayton Audio DSA315-8 SPL
Dayton Audio DSA315-8 Dimensions

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