Kartesian Wib70_vPA
Full-range
3″ / 70 mm
Nominal diameter
215 Hz
Resonance
0.69
Q factor
86 dB
Sensitivity
± 2.5 mm
Linear excursion
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.3
dB
Frequency response
150 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
215
Hz
Mechanical quality factor
QMS
6.41
Electrical quality factor
QES
0.77
Total quality factor
QTS
0.69
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
5.3
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.13
mH
Magnet
Force factor
Bl
4.15
N/A
Motor constant
Bl/√RE
1.64
N/√W
Diameter
38
mm
Diaphragm
Effective diameter
52
mm
Effective area
SD
21
cm²
Moving mass
MMS
1.5
g
Moving mass (without air load)
MMD
1.5
g
Suspensions
Stiffness
KMS
2.8
N/mm
Compliance
CMS
357
µm/N
Equivalent volume to the compliance
VAS
0.228
L
Mechanical resistance
RMS
0.32
N·s/m
Dimensions
Nominal diameter
3
″
70
mm
Overall size
70 x 70
mm
Baffle cutout diameter
65
mm
Overall depth
45
mm
Flange thickness
4
mm
Mounting depth
41
mm
Volume occupied by the driver (estimated)
0.13
L
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Similar speaker drivers to Kartesian Wib70_vPA
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2.5″Full-range
fS
210 Hz
SD
20 cm²
100 - 20000 Hz
QTS
0.77
xmax
2.0 mm
SPL1W
85 dB
Bl/√RE
1.39
Pmax
40 W
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2″Full-range
fS
212 Hz
SD
17 cm²
200 - 20000 Hz
QTS
0.82
xmax
2.4 mm
SPL1W
85 dB
Bl/√RE
1.28
Pmax
30 W
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2″Full-range
fS
219 Hz
SD
19 cm²
200 - 20000 Hz
QTS
0.59
xmax
1.8 mm
SPL1W
87 dB
Bl/√RE
1.52
Pmax
40 W