Focal UTOPIA M 8 WM
Woofer
8″ / 203 mm
Nominal diameter
49 Hz
Resonance
0.9
Q factor
88 dB
Sensitivity
± 5.5 mm
Linear excursion
200 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.9
- dB
- Frequency response
- 45 - 50000
- Hz
- Resonance frequency (free air)
- fS
- 49.0
- Hz
- Mechanical quality factor
- QMS
- 9.00
- Electrical quality factor
- QES
- 1.00
- Total quality factor
- QTS
- 0.90
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 119
- cm³
- Power handling
- P
- 100
- W
- Program power
- Pmax
- 200
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.7
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.25
- mH
- VC Diameter
- 80
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Glass Fiber
- Force factor
- Bl
- 4.4
- N/A
- Motor constant
- Bl/√RE
- 2.68
- N/√W
- Diameter
- 75
- mm
- Height
- 4
- mm
- Effective diameter
- 166
- mm
- Effective area
- SD
- 216
- cm²
- Moving mass
- MMS
- 23
- g
- Moving mass (without air load)
- MMD
- 20.7
- g
- Material
- M-shape W
- Stiffness
- KMS
- 2.22
- N/mm
- Compliance
- CMS
- 450
- µm/N
- Equivalent volume to the compliance
- VAS
- 30
- L
- Mechanical resistance
- RMS
- 0.79
- N·s/m
- Surround material
- Butyl
- Nominal diameter
- 8
- ″
- 203
- mm
- Baffle cutout diameter
- 185
- mm
- Mounting depth
- 52
- mm
- Volume occupied by the driver (estimated)
- 0.48
- L
- Net weight
- 1.2
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.jpg.webp)
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