Fostex FF105WK, FF-WK-Serie, Breitbandlautsprecher, 100mm, 4", 8 Ohm, fs ~ 25kHz
Die neue FF-WK-Serie löst die FF-Serie mit Kenaf-Membran ab. Komplett überarbeitet bietet die Serie eine Reihe neuer Technologien wie eine doppelschichtige Papiermembran (Kenaf/Holzfaser), eine versteifte Staubschutz-Kalotte aus Aluminium und eine neu entwickelte Aufhängung.
Features und technische Daten
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Size: 100mm/4.0”
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Overall diameter: 107mm/4.3”
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Baffle hole diameter: 93mm/3.7”
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Depth: 52.8mm/3.0”
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Voice coil diameter: 20mm/0.8”
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Cast/Stamped: Stamped
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Impedance: 8
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Reproduction frequency response: fs ~ 25kHz
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Sound pressure level: 88dB/W(m)
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Rated input: 10W
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Music power: 30W
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Magnet weight: 340g/0.750lb
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Net weight: 800g/1.764lb
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Equivalent diaphragm radius a: 40mm
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Effective cone diameter D: 80mm
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Surface area of cone Sd: 0.005m2
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Nominal impedance Zn: 8
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Resonance frequency Fs: 75Hz
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DC resistance Re: 6,7
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Coil inductance Le: 0.041mH
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Mechanical Q Qms: 4.203
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Electromagnetic Q Qes: 0.463
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Total Q Qts: 0.41
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Equivalent mass Mms: 3.4g
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BL product (Factor force) BL: 4.823Tesla/m
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Compliance equivalent volume Vas: 4.848L
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Voice coil overhang Xmax: 1.7mm
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Reference efficiency n0 Eff/n0: 0.42%
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Mechanical compliance of suspension Cms: 1.346m/N
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Efficiency bandwidth product EBP: 161.987