Fostex FE103En
8Ω
Full-range
| Nominal diameter | 4″ / 100 mm |
| Resonance | 83 Hz |
| Q factor | 0.33 |
| Sensitivity | 91.3 dB |
| Linear excursion | ± 0.6 mm |
| Program Power | 15 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 91.3dB
- Frequency response 83 - 22000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 83Hz
- Mechanical quality factor QMS 2.75
- Electrical quality factor QES 0.38
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion xmax 0.6mm
- Air volume displaced at xmax VD 3cm³
- Power handling P 5W
- Program power Pmax 15W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.5Ω
- Inductance (1kHz) LE 0.04mH
- VC Diameter 20mm
Magnet
- Force factor Bl 4.99N/A
- Motor constant Bl/√RE 1.82N/√W
- Weight 0.193kg
- Material Ferrite
Diaphragm
- Effective diameter 80mm
- Effective area SD 50cm²
- Moving mass MMS 2.55g
- Moving mass (without air load) MMD 2.3g
Suspensions
- Stiffness KMS 0.606N/mm
- Compliance CMS 1650µm/N
- Equivalent volume to the compliance VAS 5.95L
- Mechanical resistance RMS 0.48N·s/m
Dimensions
- Nominal diameter 4″
- 100mm
- Overall diameter 107mm
- Baffle cutout diameter 93mm
- Overall depth 46mm
- Volume occupied by the driver (estimated) 0.14L
- Net weight 0.58kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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