Focal K2 POWER ES 165 KX2E
2 way kit
6.5″ / 165 mm
Nominal diameter
55 Hz
Resonance
0.55
Q factor
87 dB
Sensitivity
± 5.3 mm
Linear excursion
240 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.2
- dB
- Frequency response
- 55 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 55.0
- Hz
- Mechanical quality factor
- QMS
- 5.20
- Electrical quality factor
- QES
- 0.61
- Total quality factor
- QTS
- 0.55
- 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
- Nominal impedance
- Z
- 2
- Ω
- DC resistance
- RE
- 1.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.13
- mH
- VC Diameter
- 40
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Kapton
- Force factor
- Bl
- 4.0
- N/A
- Motor constant
- Bl/√RE
- 2.98
- N/√W
- Diameter
- 100
- mm
- Height
- 22
- mm
- Effective diameter
- 128
- mm
- Effective area
- SD
- 129
- cm²
- Moving mass
- MMS
- 15.3
- g
- Moving mass (without air load)
- MMD
- 14.2
- g
- Material
- K2 Sandwich
- Stiffness
- KMS
- 1.85
- N/mm
- Compliance
- CMS
- 540
- µm/N
- Equivalent volume to the compliance
- VAS
- 14
- L
- Mechanical resistance
- RMS
- 1.02
- N·s/m
- Surround material
- Butyl
- 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)
- 0.69
- L
- Net weight
- 1.7
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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