Skar Audio SDR-15 D2
2x2Ω
2x4ΩSubwoofer
15″ / 381 mm
Nominal diameter
29 Hz
Resonance
0.67
Q factor
86 dB
Sensitivity
± 13.5 mm
Linear excursion
1200 W
Program Power
![Skar Audio SDR-15 D2 Subwoofer](/Skar/SDR-15_D2/Skar_SDR-15_D2_(Photo_1).jpg)
![Skar Audio SDR-15 D2 Subwoofer](/Skar/SDR-15_D2/Skar_SDR-15_D2_(Photo_2).jpg)
![Skar Audio SDR-15 D2 Subwoofer](/Skar/SDR-15_D2/Skar_SDR-15_D2_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.3
- dB
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 6.05
- Electrical quality factor
- QES
- 0.75
- Total quality factor
- QTS
- 0.67
- Maximum linear excursion
- xmax
- 13.5
- mm
- Air volume displaced at xmax
- VD
- 1019
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.7
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.67
- mH
- VC Diameter
- 64
- mm
- Winding material
- Copper
- Force factor (in series)
- Bl
- 16.36
- N/A
- Motor constant
- Bl/√RE
- 8.51
- N/√W
- Diameter
- 155
- mm
- Effective diameter
- 310
- mm
- Effective area
- SD
- 755
- cm²
- Moving mass
- MMS
- 299
- g
- Moving mass (without air load)
- MMD
- 284
- g
- Material
- Pressed Paper
- Stiffness
- KMS
- 9.52
- N/mm
- Compliance
- CMS
- 105
- µm/N
- Equivalent volume to the compliance
- VAS
- 84.9
- L
- Mechanical resistance
- RMS
- 9.01
- N·s/m
- Surround material
- Foam
- Nominal diameter
- 15
- ″
- 381
- mm
- Baffle cutout diameter
- 356
- mm
- Overall depth
- 223
- mm
- Flange thickness
- 29
- mm
- Mounting depth
- 194
- mm
- Volume occupied by the driver (estimated)
- 7.4
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)