Fostex FF225WK, FF-WK-Serie, Breitbandlautsprecher, 200mm, 8", 8 Ohm, fs ~ 17kHz
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: 200mm/7.9”
-
Overall diameter: 208mm/8.2”
-
Baffle hole diameter: 185mm/7.3”
-
Depth: 91.7mm/4.0”
-
Voice coil diameter: 50mm/2.0”
-
Cast/Stamped: Stamped
-
Impedance: 8
-
Reproduction frequency response: fs ~ 17kHz
-
Sound pressure level: 93dB/W(1m)
-
Rated input: 34W
-
Music power: 100W
-
Magnet weight: 1,067g/2.352lb
-
Net weight: 3,520g/7.760lb
-
Equivalent diaphragm radius a: 84mm
-
Effective cone diameter D: 168mm
-
Surface area of cone Sd: 0.022m2
-
Nominal impedance Zn: 8
-
Resonance frequency Fs: 44Hz
-
DC resistance Re: 6
-
Coil inductance Le: 0.068mH
-
Mechanical Q Qms: 11.355
-
Electromagnetic Q Qes: 0.409
-
Total Q Qts: 0.35
-
Equivalent mass Mms: 18.4g
-
BL product (Factor force) BL: 8.488Tesla/m
-
Compliance equivalent volume Vas: 57.898L
-
Voice coil overhang Xmax: 2.25mm
-
Reference efficiency n0 Eff/n0: 0.995%
-
Mechanical compliance of suspension Cms: 0.826m/N
-
Efficiency bandwidth product EBP: 107.579
