Skar Audio SDR-12 D2
2x2Ω
2x4ΩSubwoofer
12″ / 308 mm
Nominal diameter
32 Hz
Resonance
0.53
Q factor
85 dB
Sensitivity
± 13.5 mm
Linear excursion
1200 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 84.5
- dB
- Resonance frequency (free air)
- fS
- 32.0
- Hz
- Mechanical quality factor
- QMS
- 6.76
- Electrical quality factor
- QES
- 0.58
- Total quality factor
- QTS
- 0.53
- Maximum linear excursion
- xmax
- 13.5
- mm
- Air volume displaced at xmax
- VD
- 636
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.2
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.29
- mH
- VC Diameter
- 64
- mm
- Winding material
- Copper
- Force factor (in series)
- Bl
- 16.67
- N/A
- Motor constant
- Bl/√RE
- 9.32
- N/√W
- Diameter
- 155
- mm
- Effective diameter
- 245
- mm
- Effective area
- SD
- 471
- cm²
- Moving mass
- MMS
- 249.4
- g
- Moving mass (without air load)
- MMD
- 241.9
- g
- Material
- Pressed Paper
- Stiffness
- KMS
- 8.7
- N/mm
- Compliance
- CMS
- 115
- µm/N
- Equivalent volume to the compliance
- VAS
- 36.2
- L
- Mechanical resistance
- RMS
- 7.42
- N·s/m
- Surround material
- Foam
- Nominal diameter
- 12
- ″
- 308
- mm
- Overall diameter
- 308
- mm
- Baffle cutout diameter
- 285
- mm
- Overall depth
- 192
- mm
- Flange thickness
- 27
- mm
- Mounting depth
- 165
- mm
- Volume occupied by the driver (estimated)
- 3.5
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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