Skar Audio EVL-18 D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 18″ / 465 mm |
| Resonance | 32.6 Hz |
| Q factor | 0.48 |
| Sensitivity | 90.3 dB |
| Linear excursion | ± 23.5 mm |
| Program Power | 2500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
Thiele & Small parameters
- Resonance frequency (free air) fS 32.6Hz
- Mechanical quality factor QMS 5.41
- Electrical quality factor QES 0.54
- Total quality factor QTS 0.48
Large signal parameters
- Maximum linear excursion (one way) xmax 23.5mm
- Air volume displaced at xmax VD 2736cm³
- Power handling P 1250W
- Program power Pmax 2500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 1.0Ω
- Inductance (1kHz, in series, estimated) LE 1.25mH
- VC Diameter 76.2mm
- Winding material Copper-clad aluminium
Magnet
- Force factor (in series) Bl 12.7N/A
- Motor constant Bl/√RE 12.7N/√W
- Diameter 188mm
Diaphragm
- Effective diameter 385mm
- Effective area SD 1164cm²
- Moving mass MMS 429g
- Moving mass (without air load) MMD 401g
- Material Pressed Paper
Suspensions
- Stiffness KMS 24.4N/mm
- Compliance CMS 41µm/N
- Equivalent volume to the compliance VAS 78L
- Mechanical resistance RMS 16.2N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 18″
- 465mm
- Overall diameter 465mm
- Baffle cutout diameter 437mm
- Overall depth 296mm
- Flange thickness 36mm
- Mounting depth 260mm
- Volume occupied by the driver (estimated) 11L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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