Skar Audio SDR-15 D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 15″ / 381 mm |
| Resonance | 29 Hz |
| Q factor | 0.80 |
| Sensitivity | 87.8 dB |
| Linear excursion | ± 13.5 mm |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 29Hz
- Mechanical quality factor QMS 5.47
- Electrical quality factor QES 0.57
- Total quality factor QTS 0.80
Large signal parameters
- Maximum linear excursion (one way) xmax 13.5mm
- Air volume displaced at xmax VD 1019cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 1.0Ω
- Inductance (1kHz, in series, estimated) LE 0.91mH
- VC Diameter 63.5mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 9.33N/A
- Motor constant Bl/√RE 9.33N/√W
- Diameter 155mm
Diaphragm
- Effective diameter 310mm
- Effective area SD 755cm²
- Moving mass MMS 267g
- Moving mass (without air load) MMD 252g
- Material Pressed Paper
Suspensions
- Stiffness KMS 8.13N/mm
- Compliance CMS 123µm/N
- Equivalent volume to the compliance VAS 99.1L
- Mechanical resistance RMS 8.89N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 15″
- 381mm
- Baffle cutout diameter 356mm
- Overall depth 223mm
- Flange thickness 29mm
- Mounting depth 194mm
- Volume occupied by the driver (estimated) 7.4L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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