Skar Audio SDR-8 D2
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 8″ / 214 mm |
| Resonance | 39 Hz |
| Q factor | 0.45 |
| Sensitivity | 83.1 dB |
| Linear excursion | ± 8.8 mm |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 4.59
- Electrical quality factor QES 0.50
- Total quality factor QTS 0.45
Large signal parameters
- Maximum linear excursion (one way) xmax 8.8mm
- Air volume displaced at xmax VD 177cm³
- Power handling P 350W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.6Ω
- Inductance (1kHz, in series, estimated) LE 2.03mH
- VC Diameter 50.8mm
- Winding material Copper
Magnet
- Force factor (in series) Bl 14.3N/A
- Motor constant Bl/√RE 6.64N/√W
- Diameter 134mm
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 89.2g
- Moving mass (without air load) MMD 87g
- Material Pressed Paper
Suspensions
- Stiffness KMS 8.2N/mm
- Compliance CMS 122µm/N
- Equivalent volume to the compliance VAS 7L
- Mechanical resistance RMS 4.76N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 8″
- 214mm
- Overall diameter 214mm
- Baffle cutout diameter 183mm
- Overall depth 137mm
- Flange thickness 18mm
- Mounting depth 119mm
- Volume occupied by the driver (estimated) 1.4L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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