Focal K2 POWER ES 165 KE
2 way kit
6.5″ / 165 mm
Nominal diameter
64 Hz
Resonance
0.62
Q factor
88 dB
Sensitivity
± 4.5 mm
Linear excursion
200 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.5
- dB
- Frequency response
- 60 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 64.0
- Hz
- Mechanical quality factor
- QMS
- 5.70
- Electrical quality factor
- QES
- 0.69
- Total quality factor
- QTS
- 0.62
- Maximum linear excursion
- xmax
- 4.5
- mm
- Air volume displaced at xmax
- VD
- 58
- cm³
- Power handling
- P
- 100
- W
- Program power
- Pmax
- 200
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.2
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.22
- mH
- VC Diameter
- 32
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Kapton
- Force factor
- Bl
- 5.2
- N/A
- Motor constant
- Bl/√RE
- 2.91
- N/√W
- Diameter
- 90
- mm
- Height
- 20
- mm
- Effective diameter
- 128
- mm
- Effective area
- SD
- 129
- cm²
- Moving mass
- MMS
- 14.5
- g
- Moving mass (without air load)
- MMD
- 13.4
- g
- Material
- K2 Sandwich
- Stiffness
- KMS
- 2.44
- N/mm
- Compliance
- CMS
- 410
- µm/N
- Equivalent volume to the compliance
- VAS
- 10
- 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
- 74
- mm
- Volume occupied by the driver (estimated)
- 0.54
- L
- Net weight
- 1.35
- kg