Focal K2 POWER M 3 KM
Mid-range
3″ / 80 mm
Nominal diameter
170 Hz
Resonance
0.65
Q factor
86 dB
Sensitivity
120 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.5
- dB
- Frequency response
- 200 - 9000
- Hz
- Resonance frequency (free air)
- fS
- 170
- Hz
- Mechanical quality factor
- QMS
- 7.00
- Electrical quality factor
- QES
- 0.72
- Total quality factor
- QTS
- 0.65
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.09
- mH
- VC Diameter
- 35
- mm
- Force factor
- Bl
- 4.0
- N/A
- Motor constant
- Bl/√RE
- 2.31
- N/√W
- Diameter
- 47
- mm
- Effective diameter
- 62
- mm
- Effective area
- SD
- 30
- cm²
- Moving mass
- MMS
- 3.4
- g
- Moving mass (without air load)
- MMD
- 3.3
- g
- Material
- Kevlar Sandwich
- Stiffness
- KMS
- 2.5
- N/mm
- Compliance
- CMS
- 400
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.3
- L
- Mechanical resistance
- RMS
- 0.52
- N·s/m
- Surround material
- TMD
- Nominal diameter
- 3
- ″
- 80
- mm
- Overall diameter
- 80
- mm
- Baffle cutout diameter
- 66
- mm
- Mounting depth
- 27
- mm
- Net weight
- 0.2
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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