Focal K2 POWER ES 165 KX3E
3 way kit
6.5″ / 165 mm
Nominal diameter
54 Hz
Resonance
0.48
Q factor
87 dB
Sensitivity
± 5.3 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.3
dB
Frequency response
45 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
5.3
mm
Air volume displaced at xmax
VD
68
cm³
Power handling
P
120
W
Program power
Pmax
240
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz, estimated)
LE
0.24
mH
VC Diameter
40
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Force factor
Bl
5.8
N/A
Motor constant
Bl/√RE
3.24
N/√W
Diameter
100
mm
Height
22
mm
Diaphragm
Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
16.5
g
Moving mass (without air load)
MMD
15.4
g
Material
K2 Sandwich
Suspensions
Stiffness
KMS
1.89
N/mm
Compliance
CMS
530
µm/N
Equivalent volume to the compliance
VAS
13
L
Mechanical resistance
RMS
1.12
N·s/m
Surround material
Butyl
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
165
mm
Baffle cutout diameter
142
mm
Mounting depth
76
mm
Volume occupied by the driver (estimated)
0.71
L
Net weight
1.75
kg
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Export this driver to a simulation software:
WinISD
Basta!
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Focal ES 165 KX3E
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7″Woofer
fS
60 Hz
SD
169 cm²
38 - 6000 Hz
QTS
0.50
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
4.36
Pmax
400 W
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6.5″Woofer
fS
56 Hz
SD
143 cm²
60 - 6000 Hz
QTS
0.43
xmax
7.3 mm
SPL1W
88 dB
Bl/√RE
3.43
Pmax
100 W
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