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