Fostex FW208HS
Woofer
8″ / 200 mm
Nominal diameter
32 Hz
Resonance
0.4
Q factor
87 dB
Sensitivity
± 8.8 mm
Linear excursion
100 W
Program Power
![Fostex FW208HS Woofer](/Fostex/FW208HS/Fostex_FW208HS_(Photo).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.6
- dB
- Frequency response
- 32 - 7000
- Hz
- Resonance frequency (free air)
- fS
- 32.0
- Hz
- Mechanical quality factor
- QMS
- 12.93
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 8.8
- mm
- Air volume displaced at xmax
- VD
- 181
- cm³
- Power handling
- P
- 50
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 0.43
- mH
- VC Diameter
- 65
- mm
- Force factor
- Bl
- 10.57
- N/A
- Motor constant
- Bl/√RE
- 4.14
- N/√W
- Weight
- 1.41
- kg
- Material
- Ferrite
- Effective diameter
- 162
- mm
- Effective area
- SD
- 206
- cm²
- Moving mass
- MMS
- 37
- g
- Moving mass (without air load)
- MMD
- 34.6
- g
- Stiffness
- KMS
- 1.0
- N/mm
- Compliance
- CMS
- 1005
- µm/N
- Equivalent volume to the compliance
- VAS
- 42.7
- L
- Mechanical resistance
- RMS
- 0.58
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 230
- mm
- Baffle cutout diameter
- 185
- mm
- Overall depth
- 109
- mm
- Volume occupied by the driver (estimated)
- 1.5
- L
- Net weight
- 4.62
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Fostex FW208HS SPL & Impedance](/Fostex/FW208HS/Fostex_FW208HS_(Frequency_response_+_Impedance).png)
![Fostex FW208HS Dimensions](/Fostex/FW208HS/Fostex_FW208HS_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)