Fostex FE108SS-HP
8Ω
Full-range
| Nominal diameter | 4″ / 100 mm |
| Resonance | 81 Hz |
| Q factor | 0.39 |
| Sensitivity | 89.7 dB |
| Program Power | 30 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.7dB
- Frequency response 81 - 28000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 81Hz
- Mechanical quality factor QMS 4.13
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.39
Large signal parameters
- Power handling P 15W
- Program power Pmax 30W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.3Ω
- Inductance (1kHz) LE 0.07mH
- VC Diameter 20mm
Magnet
- Force factor Bl 5.27N/A
- Motor constant Bl/√RE 1.95N/√W
Diaphragm
- Effective diameter 80mm
- Effective area SD 50.1cm²
- Moving mass MMS 3.2g
- Moving mass (without air load) MMD 2.9g
Suspensions
- Stiffness KMS 0.826N/mm
- Compliance CMS 1210µm/N
- Equivalent volume to the compliance VAS 4.31L
- Mechanical resistance RMS 0.39N·s/m
Dimensions
- Nominal diameter 4″
- 100mm
- Overall diameter 128mm
- Baffle cutout diameter 102mm
- Volume occupied by the driver (estimated) 0.75L
- Net weight 1.83kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
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