Kartesian Cox120_vHP

Coaxial

4.5″ / 120 mm
Nominal diameter
68 Hz
Resonance
0.34
Q factor
86 dB
Sensitivity
± 3.5 mm
Linear excursion
Kartesian Cox120_vHP CoaxialKartesian Cox120_vHP CoaxialKartesian Cox120_vHP Coaxial
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
86.0
dB
Frequency response
60 - 22000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
68.0
Hz
Mechanical quality factor
QMS
4.20
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
17
cm³

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.23
mH

Magnet

Force factor
Bl
5.92
N/A
Motor constant
Bl/√RE
2.57
N/√W
Diameter
90
mm
Height
28
mm

Diaphragm

Effective diameter
78
mm
Effective area
SD
48
cm²
Moving mass
MMS
5.7
g
Moving mass (without air load)
MMD
5.4
g

Suspensions

Stiffness
KMS
1.04
N/mm
Compliance
CMS
961
µm/N
Equivalent volume to the compliance
VAS
3.11
L
Mechanical resistance
RMS
0.58
N·s/m

Dimensions

Nominal diameter
4.5
″
120
mm
Overall diameter
120
mm
Baffle cutout diameter
98
mm
Overall depth
69
mm
Flange thickness
5
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.25
L
SPL & Impedance
Distortion
Force factor
Inductance
Step response
Stiffness
Kartesian Cox120_vHP SPL & Impedance
Kartesian Cox120_vHP Distortion
Kartesian Cox120_vHP Force factor
Kartesian Cox120_vHP Inductance
Kartesian Cox120_vHP Step response
Kartesian Cox120_vHP Stiffness
Kartesian Cox120_vHP Dimensions

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