mivoc FR 358N

Full-range

3.5″ / 9 mm
Nominal diameter
88 Hz
Resonance
0.32
Q factor
89 dB
Sensitivity
± 3 mm
Linear excursion
80 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.6
dB
Frequency response
80 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
88.0
Hz
Mechanical quality factor
QMS
3.20
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
11
cm³
Power handling
P
50
W
Program power
Pmax
80
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.3
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
25
mm
Winding height
HVC
10
mm

Magnet

Force factor
Bl
5.2
N/A
Motor constant
Bl/√RE
1.92
N/√W

Diaphragm

Effective diameter
68
mm
Effective area
SD
36
cm²
Moving mass
MMS
2.4
g
Moving mass (without air load)
MMD
2.2
g

Suspensions

Stiffness
KMS
0.75
N/mm
Compliance
CMS
1338
µm/N
Equivalent volume to the compliance
VAS
2.5
L
Mechanical resistance
RMS
0.41
N·s/m

Dimensions

Nominal diameter
3.5
9
mm
Overall size
86 x 86
mm
Baffle cutout diameter
77
mm
Overall depth
51
mm
Flange thickness
4
mm
Mounting depth
47
mm
Volume occupied by the driver (estimated)
0.11
L
mivoc FR 358N SPL
mivoc FR 358N Waterfall

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