mivoc WM 8

Woofer

8″ / 20 mm
Nominal diameter
45 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 4.5 mm
Linear excursion
300 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
92.7
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
6.20
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
96
cm³
Power handling
P
120
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
38
mm
Winding height
HVC
15
mm

Magnet

Force factor
Bl
10.8
N/A
Motor constant
Bl/√RE
4.2
N/√W

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
20.7
g
Moving mass (without air load)
MMD
18.3
g

Suspensions

Stiffness
KMS
1.67
N/mm
Compliance
CMS
600
µm/N
Equivalent volume to the compliance
VAS
39
L
Mechanical resistance
RMS
0.94
N·s/m

Dimensions

Nominal diameter
8
20
mm
Overall diameter
220
mm
Baffle cutout diameter
183
mm
Overall depth
108
mm
Flange thickness
9
mm
Mounting depth
99
mm
Volume occupied by the driver (estimated)
1.0
L
mivoc WM 8 SPL
mivoc WM 8 Waterfall

Export this driver to a simulation software:

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fS
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SD
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QTS
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SD
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