Fostex FE 108 EZ Sigma Fullrange buy at hifisound.de

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FE108EΣ

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

Chassis-data

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

Thiele-Small-Parameter

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

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Back Loaded Horn Enclosure (EN)

Productinfo (EN)

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