Skar Audio SDR-12 D2
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 308 mm |
| Resonance | 32 Hz |
| Q factor | 0.53 |
| Sensitivity | 84.5 dB |
| Linear excursion | ± 13.5 mm |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 32Hz
- Mechanical quality factor QMS 6.76
- Electrical quality factor QES 0.58
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 13.5mm
- Air volume displaced at xmax VD 636cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.2Ω
- Inductance (1kHz, in series, estimated) LE 2.8mH
- VC Diameter 63.5mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 16.7N/A
- Motor constant Bl/√RE 9.32N/√W
- Diameter 155mm
Diaphragm
- Effective diameter 245mm
- Effective area SD 471cm²
- Moving mass MMS 249g
- Moving mass (without air load) MMD 242g
- Material Pressed Paper
Suspensions
- Stiffness KMS 8.7N/mm
- Compliance CMS 115µm/N
- Equivalent volume to the compliance VAS 36.2L
- Mechanical resistance RMS 7.42N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 308mm
- Overall diameter 308mm
- Baffle cutout diameter 285mm
- Overall depth 192mm
- Flange thickness 27mm
- Mounting depth 165mm
- Volume occupied by the driver (estimated) 3.5L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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