Fostex FE103A-VB
8Ω
Full-range
| Nominal diameter | 4″ / 103 mm |
| Resonance | 85 Hz |
| Q factor | 0.55 |
| Sensitivity | 89 dB |
| Program Power | 10 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB
- Frequency response 85 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 85Hz
- Mechanical quality factor QMS 5.82
- Electrical quality factor QES 0.60
- Total quality factor QTS 0.55
Large signal parameters
- Power handling P 5W
- Program power Pmax 10W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.7Ω
- Inductance (1kHz) LE 0.1mH
- VC Diameter 20mm
Magnet
- Force factor Bl 3.97N/A
- Motor constant Bl/√RE 1.53N/√W
- Weight 0.102kg
- Material AlNiCo
Diaphragm
- Effective diameter 80mm
- Effective area SD 50.3cm²
- Moving mass MMS 2.66g
- Moving mass (without air load) MMD 2.4g
- Material Two-layer paper
Suspensions
- Stiffness KMS 0.787N/mm
- Compliance CMS 1270µm/N
- Equivalent volume to the compliance VAS 4.55L
- Mechanical resistance RMS 0.24N·s/m
Dimensions
- Nominal diameter 4″
- 103mm
- Overall diameter 107mm
- Baffle cutout diameter 93mm
- Volume occupied by the driver (estimated) 0.23L
- Net weight 0.6kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
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