Focal UTOPIA M 3.5 WM
Mid-range
3.5″ / 89 mm
Nominal diameter
105 Hz
Resonance
0.58
Q factor
84 dB
Sensitivity
± 2.5 mm
Linear excursion
100 W
Program Power
.jpg)
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
200 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
105
Hz
Mechanical quality factor
QMS
2.00
Electrical quality factor
QES
1.00
Total quality factor
QTS
0.58
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
9.6
cm³
Power handling
P
50
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz, estimated)
LE
0.1
mH
VC Diameter
45
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
3.0
N/A
Motor constant
Bl/√RE
1.7
N/√W
Diameter
42
mm
Height
4
mm
Diaphragm
Effective diameter
70
mm
Effective area
SD
39
cm²
Moving mass
MMS
4
g
Moving mass (without air load)
MMD
3.8
g
Material
M-shape W
Suspensions
Stiffness
KMS
2.0
N/mm
Compliance
CMS
500
µm/N
Equivalent volume to the compliance
VAS
1
L
Mechanical resistance
RMS
1.32
N·s/m
Surround material
Butyl
Dimensions
Nominal diameter
3.5
″
89
mm
Baffle cutout diameter
79
mm
Mounting depth
31
mm
Volume occupied by the driver (estimated)
0.1
L
Net weight
0.25
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Focal 3.5 WM
.jpg.webp)
3″Woofer
fS
109 Hz
SD
33 cm²
100 - 2000 Hz
QTS
0.61
xmax
3.3 mm
SPL1W
84 dB
Bl/√RE
1.89
Pmax
60 W
.jpg.webp)
2.5″Full-range
fS
110 Hz
SD
22 cm²
80 - 20000 Hz
QTS
0.68
xmax
3.1 mm
SPL1W
83 dB
Bl/√RE
1.42
Pmax
50 W
.jpg.webp)
Fountek FR888 Ω
3.5″Full-range
fS
105 Hz
SD
27 cm²
100 - 25000 Hz
QTS
0.60
xmax
1.0 mm
SPL1W
84 dB
Bl/√RE
1.24
Pmax
30 W