Model
Focal 3.5WM( UTOPIA M)
Rating
DIAM
3"
FS(Hz)
105
VAS(l)
1.1
QTS
0.58
PWR(W)
100
SPL(dB)
83.6
IMP(Ohm)
4x1
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)
105
Vas(l)
1.1
Qts
0.58
Qms
2
Qes
0.817
Bl(Tm)
3
Mms(gr)
4
Cms(mm/N)
0.574
Rms(kg/s)
1.32
Le(mH)
0
Re(Ohm)
3.1
Sd(sq.mm)
3850
Vd(l)
0.01
X-max(mm)
3
X-mech(mm)
0
General Parameters
Diameter (inch)
3
Max Power(W.)
100
RMS Power(W.)
50
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.14
Sensitivity(dB) 1-W
83.6
Sensitivity(dB) 2.8-V
87.7
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
90
Cutout Diameter (mm)
79
Mounting Depth (mm)
31
Magnet Diameter (mm)
79
Optimum Enclosures
Enclosures
Vented, BP6