In stock
can be shipped within 1-3 days
Fostex FF105WK, FF-WK-Serie, full range speaker, 100mm, 4", 8 Ohm, fs ~ 25kHz
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: 100mm/4.0”
Overall diameter: 107mm/4.3”
Baffle hole diameter: 93mm/3.7”
Depth: 52.8mm/3.0”
Voice coil diameter: 20mm/0.8”
Cast/Stamped: Stamped
Impedance: 8
Reproduction frequency response: fs ~ 25kHz
Sound pressure level: 88dB/W(m)
Rated input: 10W
Music power: 30W
Magnet weight: 340g/0.750lb
Net weight: 800g/1.764lb
Equivalent diaphragm radius a: 40mm
Effective cone diameter D: 80mm
Surface area of cone Sd: 0.005m2
Nominal impedance Zn: 8
Resonance frequency Fs: 75Hz
DC resistance Re: 6,7
Coil inductance Le: 0.041mH
Mechanical Q Qms: 4.203
Electromagnetic Q Qes: 0.463
Total Q Qts: 0.41
Equivalent mass Mms: 3.4g
BL product (Factor force) BL: 4.823Tesla/m
Compliance equivalent volume Vas: 4.848L
Voice coil overhang Xmax: 1.7mm
Reference efficiency n0 Eff/n0: 0.42%
Mechanical compliance of suspension Cms: 1.346m/N
Efficiency bandwidth product EBP: 161.987