Focal K2 POWER ES 100 KE
2 way kit
4″ / 102 mm
Nominal diameter
140 Hz
Resonance
0.9
Q factor
87 dB
Sensitivity
± 2.3 mm
Linear excursion
120 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.0
- dB
- Frequency response
- 110 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 140
- Hz
- Mechanical quality factor
- QMS
- 4.20
- Electrical quality factor
- QES
- 1.10
- Total quality factor
- QTS
- 0.90
- Maximum linear excursion
- xmax
- 2.3
- mm
- Air volume displaced at xmax
- VD
- 12
- cm³
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.1
- mH
- VC Diameter
- 20
- mm
- Force factor
- Bl
- 3.3
- N/A
- Motor constant
- Bl/√RE
- 1.97
- N/√W
- Effective diameter
- 83
- mm
- Effective area
- SD
- 54
- cm²
- Moving mass
- MMS
- 4.7
- g
- Moving mass (without air load)
- MMD
- 4.4
- g
- Material
- K2 Sandwich
- Stiffness
- KMS
- 3.85
- N/mm
- Compliance
- CMS
- 260
- µm/N
- Equivalent volume to the compliance
- VAS
- 1
- L
- Mechanical resistance
- RMS
- 0.98
- N·s/m
- Surround material
- Butyl
- Nominal diameter
- 4
- ″
- 102
- mm
- Overall diameter
- 102
- mm
- Baffle cutout diameter
- 93
- mm
- Mounting depth
- 39
- mm
- Volume occupied by the driver (estimated)
- 0.14
- L
- Net weight
- 0.215
- kg