Kartesian Cox165_vPA

Coaxial

6.5″ / 165 mm
Nominal diameter
61 Hz
Resonance
0.26
Q factor
93 dB
Sensitivity
± 3 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
92.6
dB
Frequency response
65 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
16.40
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.26

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
35
cm³

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.0
Ω
Inductance (1kHz)
LE
0.32
mH

Magnet

Force factor
Bl
9.93
N/A
Motor constant
Bl/√RE
3.75
N/√W
Diameter
62
mm

Diaphragm

Effective diameter
123
mm
Effective area
SD
118
cm²
Moving mass
MMS
9.6
g
Moving mass (without air load)
MMD
8.6
g

Suspensions

Stiffness
KMS
1.41
N/mm
Compliance
CMS
709
µm/N
Equivalent volume to the compliance
VAS
14
L
Mechanical resistance
RMS
0.22
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
164
mm
Baffle cutout diameter
143
mm
Overall depth
96
mm
Flange thickness
5
mm
Mounting depth
91
mm
Volume occupied by the driver (estimated)
0.6
L
Kartesian Cox165_vPA SPL & Impedance
Kartesian Cox165_vPA Distortion
Kartesian Cox165_vPA Force factor
Kartesian Cox165_vPA Inductance
Kartesian Cox165_vPA Step response
Kartesian Cox165_vPA Stiffness
Kartesian Cox165_vPA Dimensions

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fS
60 Hz
SD
147 cm²
60 - 5500 Hz
QTS
0.27
xmax
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SPL1W
92 dB
Bl/√RE
4.52
Pmax
400 W