Fostex FE 208 EZ Sigma Fullrange

manufacturer information
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RRP 394,00 €

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Key features:
  • HP (Hyperbolic Paraboloid) shell diaphragm
  • ‘ES cone’ paper made of banana plant’s fiber
  • UDR tangiential edge / damper
  • ø 156mm large ferrite magnet

Short data

Usage as Fullrange
Power Handling 120 Watt
Impedance 8 Ohm
Frequency from 42 Hz
Max. Frequency 14 kHz
Sound pressure 97 dB


Overall dimensions 230 mm
Baffle cutout 182 mm
Depth (Total) 107 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Material Banaba fibre
Voice coil Ø 35 mm
Magnet Ø 156 mm
Magnet-height 40 mm
Magnet-weight 1408 g
Magnet-inductance 10.8 T


Resonance fs fs: 42 Hz
Mechanical Q Qms: 6.191
Electrical Q Qes: 0.19
Total Q Qts: 0.18
Equivalent Air-Volumen Vas: 60.1 Liter
DC-Resistance Re: 6.4 Ohm
Coil Inductance Le: 0.052 mH
Mech. Compliance Cms: 1.069 mm/N
Moving Mass Mms: 13.3 g
Max. Excursion +/- Xmax: 1.25 mm
BL Product Bl: 10.8 N/A
Membrane Area Sd: 201 cm²
Sound pressure dB: 97 SPL
Efficiency Nref: 2.278 %

Frequency & Impedance

Technical Dimensions

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