Fostex FF85WK Full Range 8cm, 8 Ohm

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 Size: 80mm/3.2” Overall diameter: 83mm/3.3” Baffle hole diameter: 73mm/2.9” Depth: 46.7mm/2.0” Voice coil diameter: 16mm/0.7” Cast/Stamped: Stamped Impedance: 8Ω Reproduction frequency response: fs ~ 28kHz Sound pressure level: 86.5dB/W(m) Rated input: 5W Music power: 15W Magnet weight: 187g/0.412lb Net weight: 450g/0.992lb Equivalent diaphragm radius a: 30mm Effective cone diameter D: 60mm Surface area of cone Sd: 0.0028m2 Nominal impedance Zn: 8Ω Resonance frequency Fs: 115Hz DC resistance Re: 7,2Ω Coil inductance Le: 0.032mH Mechanical Q Qms: 3.298 Electromagnetic Q Qes: 0.683 Total Q Qts: 0.55 Equivalent mass Mms: 2g BL product (Factor force) BL: 3.93Tesla/m Compliance equivalent volume Vas: 1.036L Voice coil overhang Xmax: 0.35mm Reference efficiency n0 Eff/n0: 0.246% Mechanical compliance of suspension Cms: 0.909m/N Efficiency bandwidth product EBP: 168.375