Skar Audio EVL-8 D2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter8″ / 220 mm
Resonance44.9 Hz
Q factor0.49
Sensitivity79.1 dB
Linear excursion± 14 mm
Program Power1200 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 79.1dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 44.9Hz
  • Mechanical quality factor QMS 5.77
  • Electrical quality factor QES 0.53
  • Total quality factor QTS 0.49

Large signal parameters

  • Maximum linear excursion (one way) xmax 14mm
  • Air volume displaced at xmax VD 264cm³
  • Power handling P 600W
  • Program power Pmax 1200W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.7Ω
  • Inductance (1kHz, in series, estimated) LE 2.88mH
  • VC Diameter 63.5mm
  • Winding material Copper

Magnet

  • Force factor (in series) Bl 20.3N/A
  • Motor constant Bl/√RE 10.5N/√W
  • Diameter 154mm

Diaphragm

  • Effective diameter 155mm
  • Effective area SD 189cm²
  • Moving mass MMS 209g
  • Moving mass (without air load) MMD 207g
  • Material Pressed Paper

Suspensions

  • Stiffness KMS 9.01N/mm
  • Compliance CMS 111µm/N
  • Equivalent volume to the compliance VAS 5.6L
  • Mechanical resistance RMS 10.2N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 8
  • 220mm
  • Overall diameter 220mm
  • Baffle cutout diameter 192mm
  • Overall depth 183mm
  • Flange thickness 30mm
  • Mounting depth 153mm
  • Volume occupied by the driver (estimated) 2.1L

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