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
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
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
Kartesian Wib70_vPA SPL & Impedance
Kartesian Wib70_vPA Distortion
Kartesian Wib70_vPA Force factor
Kartesian Wib70_vPA Inductance
Kartesian Wib70_vPA Step response
Kartesian Wib70_vPA Stiffness
Kartesian Wib70_vPA Dimensions

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