Focal Sub 12
Subwoofer
12″ / 324 mm
Nominal diameter
24 Hz
Resonance
0.48
Q factor
86 dB
Sensitivity
600 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.1
- dB
- Resonance frequency (free air)
- fS
- 24.0
- Hz
- Mechanical quality factor
- QMS
- 5.15
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.48
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.88
- mH
- VC Diameter
- 50
- mm
- Force factor
- Bl
- 12.0
- N/A
- Motor constant
- Bl/√RE
- 6.93
- N/√W
- Diameter
- 145
- mm
- Effective diameter
- 245
- mm
- Effective area
- SD
- 471
- cm²
- Moving mass
- MMS
- 150
- g
- Moving mass (without air load)
- MMD
- 142.2
- g
- Material
- Polypropylene
- Stiffness
- KMS
- 3.45
- N/mm
- Compliance
- CMS
- 290
- µm/N
- Equivalent volume to the compliance
- VAS
- 90
- L
- Mechanical resistance
- RMS
- 4.4
- N·s/m
- Surround material
- Butyl
- Nominal diameter
- 12
- ″
- 324
- mm
- Overall diameter
- 324
- mm
- Baffle cutout diameter
- 281
- mm
- Mounting depth
- 130
- mm
- Volume occupied by the driver (estimated)
- 2.4
- L
- Net weight
- 5.5
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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