Skar Audio DDX-12 D2
2x2Ω
2x4ΩSubwoofer
12″ / 319 mm
Nominal diameter
34 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 15 mm
Linear excursion
1500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.3
- dB
- Resonance frequency (free air)
- fS
- 33.8
- Hz
- Mechanical quality factor
- QMS
- 4.10
- Electrical quality factor
- QES
- 0.37
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 15.0
- mm
- Air volume displaced at xmax
- VD
- 765
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 1500
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 4.7
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.87
- mH
- VC Diameter
- 64
- mm
- Winding material
- Copper
- Force factor (in series)
- Bl
- 25.5
- N/A
- Motor constant
- Bl/√RE
- 11.8
- N/√W
- Diameter
- 193
- mm
- Effective diameter
- 255
- mm
- Effective area
- SD
- 510
- cm²
- Moving mass
- MMS
- 243
- g
- Moving mass (without air load)
- MMD
- 234.5
- g
- Material
- Pressed Paper
- Stiffness
- KMS
- 14.93
- N/mm
- Compliance
- CMS
- 67
- µm/N
- Equivalent volume to the compliance
- VAS
- 24.8
- L
- Mechanical resistance
- RMS
- 12.59
- N·s/m
- Surround material
- Foam
- Nominal diameter
- 12
- ″
- 319
- mm
- Overall diameter
- 319
- mm
- Baffle cutout diameter
- 286
- mm
- Overall depth
- 191
- mm
- Flange thickness
- 24
- mm
- Mounting depth
- 167
- mm
- Volume occupied by the driver (estimated)
- 3.7
- L