Kartesian Cox165_vPA
Coaxial
6.5″ / 165 mm
Nominal diameter
61 Hz
Resonance
0.26
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
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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
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Similar speaker drivers to Kartesian Cox165_vPA
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6.5″Woofer
fS
60 Hz
SD
147 cm²
60 - 5500 Hz
QTS
0.27
xmax
5.2 mm
SPL1W
92 dB
Bl/√RE
4.52
Pmax
400 W
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6.5″Woofer
fS
61 Hz
SD
133 cm²
63 - 5500 Hz
QTS
0.27
xmax
5.0 mm
SPL1W
92 dB
Bl/√RE
4.26
Pmax
260 W
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6.5″Woofer
fS
64 Hz
SD
133 cm²
63 - 5500 Hz
QTS
0.24
xmax
5.0 mm
SPL1W
92 dB
Bl/√RE
4.58
Pmax
260 W