Rockford Fosgate T3-BMW-SUB
Subwoofer
8″ / 203 mm
Nominal diameter
38 Hz
Resonance
0.49
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
300 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.0
- dB
- Resonance frequency (free air)
- fS
- 38.0
- Hz
- Mechanical quality factor
- QMS
- 2.26
- Electrical quality factor
- QES
- 0.63
- Total quality factor
- QTS
- 0.49
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 170
- cm³
- Power handling
- P
- 150
- W
- Program power
- Pmax
- 300
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.7
- Ω
- Inductance (1kHz)
- LE
- 0.61
- mH
- VC Diameter
- 51
- mm
- Force factor
- Bl
- 7.1
- N/A
- Motor constant
- Bl/√RE
- 3.69
- N/√W
- Effective diameter
- 176
- mm
- Effective area
- SD
- 243
- cm²
- Moving mass
- MMS
- 36.2
- g
- Moving mass (without air load)
- MMD
- 33.6
- g
- Stiffness
- KMS
- 2.06
- N/mm
- Compliance
- CMS
- 485
- µm/N
- Equivalent volume to the compliance
- VAS
- 40.6
- L
- Mechanical resistance
- RMS
- 3.82
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Baffle cutout diameter
- 195
- mm
- Mounting depth
- 31
- mm
- Volume occupied by the driver (estimated)
- 0.85
- 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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