Model
Fostex FF85WK
Rating
DIAM
3"
FS(Hz)
115
VAS(l)
1
QTS
0.55
PWR(W)
15
SPL(dB)
85.5
IMP(Ohm)
8x1
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
115
Vas(l)
1
Qts
0.55
Qms
3.298
Qes
0.683
Bl(Tm)
3.9
Mms(gr)
2
Cms(mm/N)
909
Rms(kg/s)
0.44
Le(mH)
0.032
Re(Ohm)
7.2
Sd(sq.mm)
2800
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
3
Max Power(W.)
15
RMS Power(W.)
5
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.22
Sensitivity(dB) 1-W
85.5
Sensitivity(dB) 2.8-V
85.9
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
82
Cutout Diameter (mm)
70
Mounting Depth (mm)
43
Magnet Diameter (mm)
65
Optimum Enclosures
Enclosures
Vented, BP6
