Model
Fountek FR89EX
Rating
DIAM
3"
FS(Hz)
97
VAS(l)
1.1
QTS
0.47
PWR(W)
50
SPL(dB)
83.7
IMP(Ohm)
8x1
avb
UNK
Thiele-Small Parameters
Fs(Hz)
97
Vas(l)
1.1
Qts
0.468
Qms
1.642
Qes
0.652
Bl(Tm)
3.8
Mms(gr)
3
Cms(mm/N)
0.997
Rms(kg/s)
0.969
Le(mH)
0
Re(Ohm)
5.9
Sd(sq.mm)
2789
Vd(l)
0.014
X-max(mm)
5
X-mech(mm)
0
General Parameters
Diameter (inch)
3
Max Power(W.)
50
RMS Power(W.)
25
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
83.7
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
73
Mounting Depth (mm)
47
Magnet Diameter (mm)
60
Optimum Enclosures
Enclosures
Vented, BP6
