Skar Audio SVR-8 D2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter8″ / 216 mm
Resonance47 Hz
Q factor0.54
Sensitivity81.7 dB
Linear excursion± 13.5 mm
Program Power800 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 81.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 47Hz
  • Mechanical quality factor QMS 4.30
  • Electrical quality factor QES 0.61
  • Total quality factor QTS 0.54

Large signal parameters

  • Maximum linear excursion xmax 13.5mm
  • Air volume displaced at xmax VD 271cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.8Ω
  • Inductance (1kHz, in series, estimated) LE 2.06mH
  • VC Diameter 66mm
  • Winding material Copper

Magnet

  • Force factor (in series) Bl 14.9N/A
  • Motor constant Bl/√RE 7.64N/√W
  • Diameter 152mm

Diaphragm

  • Effective diameter 160mm
  • Effective area SD 201cm²
  • Moving mass MMS 122g
  • Moving mass (without air load) MMD 120g
  • Material Pressed Paper

Suspensions

  • Stiffness KMS 11N/mm
  • Compliance CMS 91µm/N
  • Equivalent volume to the compliance VAS 5.2L
  • Mechanical resistance RMS 8.36N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 8
  • 216mm
  • Overall diameter 216mm
  • Baffle cutout diameter 185mm
  • Overall depth 145mm
  • Flange thickness 20mm
  • Mounting depth 125mm
  • Volume occupied by the driver (estimated) 1.5L


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