Dayton Audio Reference RSS390HF-4

Subwoofer

Nominal diameter15″ / 388 mm
Resonance19.5 Hz
Q factor0.43
Sensitivity86.6 dB
Linear excursion± 14 mm
Program Power1000 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 86.6dB
  • Frequency response 18 - 800Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 19.5Hz
  • Mechanical quality factor QMS 3.02
  • Electrical quality factor QES 0.50
  • Total quality factor QTS 0.43

Large signal parameters

  • Maximum linear excursion xmax 14mm
  • Air volume displaced at xmax VD 1161cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.0Ω
  • Inductance (1kHz) LE 0.92mH
  • VC Diameter 64mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 15N/A
  • Motor constant Bl/√RE 8.66N/√W
  • Weight 4.252kg
  • Material Ferrite

Diaphragm

  • Effective diameter 325mm
  • Effective area SD 830cm²
  • Moving mass MMS 306g
  • Moving mass (without air load) MMD 289g
  • Material Black Anodized Aluminum

Suspensions

  • Stiffness KMS 4.55N/mm
  • Compliance CMS 220µm/N
  • Equivalent volume to the compliance VAS 212L
  • Mechanical resistance RMS 12.4N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 15
  • 388mm
  • Overall diameter 388mm
  • Baffle cutout diameter 356mm
  • Overall depth 178mm
  • Volume occupied by the driver (estimated) 4.3L
  • Frame material Cast Aluminium
Dayton Audio RSS390HF-4 Impedance
Dayton Audio RSS390HF-4 SPL
Dayton Audio RSS390HF-4 Dimensions

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