Rockford Fosgate R1S4-12
Subwoofer
12″ / 319 mm
Nominal diameter
31 Hz
Resonance
0.54
Q factor
88 dB
Sensitivity
± 7 mm
Linear excursion
400 W
Program Power
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- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.4
- dB
- Resonance frequency (free air)
- fS
- 30.5
- Hz
- Mechanical quality factor
- QMS
- 7.97
- Electrical quality factor
- QES
- 0.58
- Total quality factor
- QTS
- 0.54
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 372
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.5
- Ω
- Inductance (1kHz)
- LE
- 2.1
- mH
- VC Diameter
- 51
- mm
- Force factor
- Bl
- 11.8
- N/A
- Motor constant
- Bl/√RE
- 6.31
- N/√W
- Weight
- 1.13
- kg
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 120.5
- g
- Moving mass (without air load)
- MMD
- 111.7
- g
- Stiffness
- KMS
- 4.43
- N/mm
- Compliance
- CMS
- 226
- µm/N
- Equivalent volume to the compliance
- VAS
- 90.4
- L
- Mechanical resistance
- RMS
- 2.9
- N·s/m
- Nominal diameter
- 12
- ″
- 319
- mm
- Overall diameter
- 319
- mm
- Baffle cutout diameter
- 285
- mm
- Mounting depth
- 125
- mm
- Volume occupied by the driver
- 2.83
- L
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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