Dayton Audio Designer DS270-8

Woofer

Nominal diameter10″ / 270 mm
Resonance31.6 Hz
Q factor0.44
Sensitivity88.5 dB
Linear excursion± 5.5 mm
Program Power200 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 88.5dB
  • Frequency response 30 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.6Hz
  • Mechanical quality factor QMS 2.40
  • Electrical quality factor QES 0.54
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion xmax 5.5mm
  • Air volume displaced at xmax VD 194cm³
  • Power handling P 100W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.4Ω
  • Inductance (1kHz) LE 1.25mH
  • VC Diameter 38.5mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 10.1N/A
  • Motor constant Bl/√RE 4.35N/√W
  • Weight 1.758kg
  • Material Ferrite

Diaphragm

  • Effective diameter 212mm
  • Effective area SD 353cm²
  • Moving mass MMS 51.5g
  • Moving mass (without air load) MMD 46.6g
  • Material Coated Paper

Suspensions

  • Stiffness KMS 2.04N/mm
  • Compliance CMS 490µm/N
  • Equivalent volume to the compliance VAS 87.7L
  • Mechanical resistance RMS 4.26N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 270mm
  • Overall diameter 270mm
  • Baffle cutout diameter 227mm
  • Overall depth 112mm
  • Volume occupied by the driver (estimated) 1.4L
  • Frame material Steel
Dayton Audio DS270-8 Impedance
Dayton Audio DS270-8 SPL
Dayton Audio DS270-8 Dimensions

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