Rockford Fosgate PM210S4
Subwoofer
10″ / 254 mm
Nominal diameter
45 Hz
Resonance
0.57
Q factor
86 dB
Sensitivity
± 10 mm
Linear excursion
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.4
- dB
- Resonance frequency (free air)
- fS
- 45.0
- Hz
- Mechanical quality factor
- QMS
- 9.00
- Electrical quality factor
- QES
- 0.64
- Total quality factor
- QTS
- 0.57
- Maximum linear excursion
- xmax
- 10.0
- mm
- Air volume displaced at xmax
- VD
- 346
- cm³
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.3
- mH
- VC Diameter
- 51
- mm
- Former material
- Aluminum
- Force factor
- Bl
- 12.9
- N/A
- Motor constant
- Bl/√RE
- 6.8
- N/√W
- Weight
- 1.54
- kg
- Effective diameter
- 210
- mm
- Effective area
- SD
- 346
- cm²
- Moving mass
- MMS
- 105.1
- g
- Moving mass (without air load)
- MMD
- 100.5
- g
- Stiffness
- KMS
- 8.4
- N/mm
- Compliance
- CMS
- 119
- µm/N
- Equivalent volume to the compliance
- VAS
- 20.2
- L
- Mechanical resistance
- RMS
- 3.3
- N·s/m
- Nominal diameter
- 10
- ″
- 254
- mm
- Baffle cutout diameter
- 228
- mm
- Mounting depth
- 140
- mm
- Volume occupied by the driver
- 4.36
- L
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