Fostex FW 208 HS - Paper buy at hifisound.de

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Fostex FW 208 HS

The new FW208HS is the woofer unit having high stiffness diaphragm evolved through the fusion of the unique sophisticated pulp materials and Fostex original paper making technology.
Certain transduction of amplitude into air vibration, new FW208HS woofer reproduces superb low frequency sound with remarkable transient.

- High stiffness diaphragm.
- High input tolerance long voice coil.
- Ø156mm large ferrite magnet.
- Low current distortion magnetic circuit.
- Adequate acoustic parameters.
- Aluminum die-cast frame.

Key features:

200mm (8 in) cone type woofer-midrange
8 ohm impedance
fo to 7kHz frequency response
87dB sensitivity at 1W/1m (3.3ft)
4.62kg (10.2 lb) net weight

Short data

Usage as	Bass-Midrange
Power Handling	100 Watt
Impedance	8 Ohm

Frequency from	30 Hz
Max. Frequency	5 kHz
Sound pressure	87 dB

Chassis-data

Overall dimensions	230 mm
Baffle cutout	185 mm
Depth (Total)	109 mm
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Surround	Rubber
Membrane Material	Paper

Magnet Ø	156 mm
Magnet-height	41 mm
Magnet-weight	1.41 g

Thiele-Small-Parameter

Resonance fs	fs: 29 Hz
Mechanical Q	Qms: 12.927
Electrical Q	Qes: 0.416
Total Q	Qts: 0.4
Equivalent Air-Volumen	Vas: 43.69 Liter
DC-Resistance	Re: 6.5 Ohm
Coil Inductance	Le: 0.427 mH

Mech. Compliance	Cms: 0.001 mm/N
Moving Mass	Mms: 37 g
Max. Excursion +/-	Xmax: 8.8 mm
Membrane Area	Sd: 206 cm²
Sound pressure	dB: 87 SPL
Efficiency	Nref: 0.193 %

Freqeuncy, Impdance

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