Fostex FE208EΣ
Full-range
8″ / 200 mm
Nominal diameter
42 Hz
Resonance
0.18
Q factor
97 dB
Sensitivity
± 1.25 mm
Linear excursion
120 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.1
- dB
- Frequency response
- 42 - 14000
- Hz
- Resonance frequency (free air)
- fS
- 42.0
- Hz
- Mechanical quality factor
- QMS
- 6.19
- Electrical quality factor
- QES
- 0.19
- Total quality factor
- QTS
- 0.18
- Maximum linear excursion
- xmax
- 1.25
- mm
- Air volume displaced at xmax
- VD
- 25
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.4
- Ω
- Inductance (1kHz)
- LE
- 0.05
- mH
- VC Diameter
- 35
- mm
- Force factor
- Bl
- 10.8
- N/A
- Motor constant
- Bl/√RE
- 4.27
- N/√W
- Weight
- 1.409
- kg
- Material
- Ferrite
- Effective diameter
- 160
- mm
- Effective area
- SD
- 201
- cm²
- Moving mass
- MMS
- 13.3
- g
- Moving mass (without air load)
- MMD
- 11
- g
- Stiffness
- KMS
- 0.94
- N/mm
- Compliance
- CMS
- 1069
- µm/N
- Equivalent volume to the compliance
- VAS
- 60.1
- L
- Mechanical resistance
- RMS
- 0.57
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 230
- mm
- Baffle cutout diameter
- 185
- mm
- Overall depth
- 94
- mm
- Volume occupied by the driver (estimated)
- 1.4
- L
- Net weight
- 4.8
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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