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
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.3
- dB
- Frequency response
- 45 - 22000
- Hz
- 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
- 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
- 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
- Force factor
- Bl
- 5.8
- N/A
- Motor constant
- Bl/√RE
- 3.24
- N/√W
- Diameter
- 100
- mm
- Height
- 22
- mm
- 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
- 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
- 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