Fostex FE 108 EZ Sigma Fullrange

-6,6 %

RRP 171,36 €

incl. 19% VAT plus shipping
on stock Only 2 units remaining!
-6,6 %

Key features:
  • HP (Hyperbolic Paraboloid) shell diaphragm
  • ‘ES cone’ paper made of banana plant’s fiber
  • UDR tangiential edge / damper
  • ø 90mm large ferrite magnet

Short data

Usage as Fullrange
Power Handling 24 Watt
Impedance 8 Ohm
Frequency from 77 Hz
Max. Frequency 20 kHz
Sound pressure 90 dB


Overall dimensions 128 mm
Baffle cutout 99 mm
Depth (Total) 65 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Material Banaba fibre
Voice coil Ø 20 mm
Magnet Ø 90 mm
Magnet-height 27 mm
Magnet-weight 400 g
Magnet-inductance 5.2 T


Resonance fs fs: 77 Hz
Mechanical Q Qms: 7.79
Electrical Q Qes: 0.32
Total Q Qts: 0.3
Equivalent Air-Volumen Vas: 5.7 Liter
DC-Resistance Re: 6.8 Ohm
Coil Inductance Le: 0.038 mH
Mech. Compliance Cms: 1.59 mm/N
Moving Mass Mms: 2.7 g
Max. Excursion +/- Xmax: 0.56 mm
Membrane Area Sd: 50 cm²
Sound pressure dB: 90 SPL
Efficiency Nref: 0.78 %

Frequency & Impedance

Technical Dimensions

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