Fostex FE166En
Full-range
6.5″ / 160 mm
Nominal diameter
53 Hz
Resonance
0.25
Q factor
96 dB
Sensitivity
± 1 mm
Linear excursion
65 W
Program Power
![Fostex FE166En Full-range](/Fostex/FE166En/Fostex_FE166En_(Photo).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.7
- dB
- Frequency response
- 53 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 53.0
- Hz
- Mechanical quality factor
- QMS
- 3.43
- Electrical quality factor
- QES
- 0.27
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 1.0
- mm
- Air volume displaced at xmax
- VD
- 13
- cm³
- Power handling
- P
- 22
- W
- Program power
- Pmax
- 65
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 7.2
- Ω
- Inductance (1kHz)
- LE
- 0.05
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 7.65
- N/A
- Motor constant
- Bl/√RE
- 2.85
- N/√W
- Weight
- 0.6
- kg
- Material
- Ferrite
- Effective diameter
- 130
- mm
- Effective area
- SD
- 133
- cm²
- Moving mass
- MMS
- 6.8
- g
- Moving mass (without air load)
- MMD
- 5.7
- g
- Stiffness
- KMS
- 0.68
- N/mm
- Compliance
- CMS
- 1474
- µm/N
- Equivalent volume to the compliance
- VAS
- 37
- L
- Mechanical resistance
- RMS
- 0.66
- N·s/m
- Nominal diameter
- 6.5
- ″
- 160
- mm
- Overall diameter
- 166
- mm
- Baffle cutout diameter
- 146
- mm
- Overall depth
- 75
- mm
- Volume occupied by the driver (estimated)
- 0.5
- L
- Net weight
- 1.6
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Fostex FE166En SPL & Impedance](/Fostex/FE166En/Fostex_FE166En_(Frequency_response_+_Impedance).png)
![Fostex FE166En Dimensions](/Fostex/FE166En/Fostex_FE166En_(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)