Fostex FF165WK, FF-WK-Serie, full range speaker, 160mm, 6,5", 8 Ohm, fs ~ 21kHz
The new FF-WK series replaces the FF series with kenaf membrane. Completely revised, the series offers a number of new technologies such as a double-layer paper cone (kenaf/wood fiber), a stiffened aluminum dust protection dome and a newly developed suspension.
Features und technische Daten
-
Size: 160mm/6.3”
-
Overall diameter: 166mm/6.6”
-
Baffle hole diameter: 146mm/5.8”
-
Depth: 76.6mm/4.0”
-
Voice coil diameter: 35mm/1.4”
-
Cast/Stamped: Stamped
-
Impedance: 8
-
Reproduction frequency response: fs ~ 21kHz
-
Sound pressure level: 92dB/W(1m)
-
Rated input: 30W
-
Music power: 90W
-
Magnet weight: 848g/1.869lb
-
Net weight: 1,950g/4.299lb
-
Equivalent diaphragm radius a: 65mm
-
Effective cone diameter D: 130mm
-
Surface area of cone Sd: 0.0132m2
-
Nominal impedance Zn: 8
-
Resonance frequency Fs: 50Hz
-
DC resistance Re: 6,5
-
Coil inductance Le: 0.056mH
-
Mechanical Q Qms: 43.556
-
Electromagnetic Q Qes: 0.373
-
Total Q Qts: 0.34
-
Equivalent mass Mms: 9.5g
-
BL product (Factor force) BL: 7.227Tesla/m
-
Compliance equivalent volume Vas: 27.838L
-
Voice coil overhang Xmax: 1.85mm
-
Reference efficiency n0 Eff/n0: 0.908%
-
Mechanical compliance of suspension Cms: 1.068m/N
-
Efficiency bandwidth product EBP: 134.048