Focal K2 POWER ES 165 K2E
2 way kit
6.5″ / 165 mm
Nominal diameter
67 Hz
Resonance
0.55
Q factor
89 dB
Sensitivity
± 4.8 mm
Linear excursion
200 W
Program Power
![Focal ES 165 K2E 2 way kit](/Focal/ES165K2E/Focal_ES165K2E_(Photo_1).jpg)
![Focal ES 165 K2E 2 way kit](/Focal/ES165K2E/Focal_ES165K2E_(Photo_2).jpg)
![Focal ES 165 K2E 2 way kit](/Focal/ES165K2E/Focal_ES165K2E_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.0
- dB
- Frequency response
- 60 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 67.0
- Hz
- Mechanical quality factor
- QMS
- 7.00
- Electrical quality factor
- QES
- 0.60
- Total quality factor
- QTS
- 0.55
- Maximum linear excursion
- xmax
- 4.8
- mm
- Air volume displaced at xmax
- VD
- 62
- cm³
- Power handling
- P
- 100
- W
- Program power
- Pmax
- 200
- W
- Nominal impedance
- Z
- 2
- Ω
- DC resistance
- RE
- 1.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.12
- mH
- VC Diameter
- 32
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Kapton
- Force factor
- Bl
- 4.2
- N/A
- Motor constant
- Bl/√RE
- 3.13
- N/√W
- Diameter
- 95
- mm
- Height
- 20
- mm
- Effective diameter
- 128
- mm
- Effective area
- SD
- 129
- cm²
- Moving mass
- MMS
- 13
- g
- Moving mass (without air load)
- MMD
- 11.9
- 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
- 0.78
- N·s/m
- Surround material
- Butyl
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Overall diameter
- 165
- mm
- Baffle cutout diameter
- 142
- mm
- Mounting depth
- 79
- mm
- Volume occupied by the driver (estimated)
- 0.59
- L
- Net weight
- 1.45
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Focal ES 165 K2E SPL & Impedance](/Focal/ES165K2E/Focal_ES165K2E_(Frequency_response_+_Impedance).png)
![Focal ES 165 K2E Dimensions](/Focal/ES165K2E/Focal_ES165K2E_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)