Focal K2 POWER M 6.5 KM
Woofer
6.5″ / 165 mm
Nominal diameter
76 Hz
Resonance
0.77
Q factor
88 dB
Sensitivity
240 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.9
- dB
- Frequency response
- 50 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 76.0
- Hz
- Mechanical quality factor
- QMS
- 10.70
- Electrical quality factor
- QES
- 0.82
- Total quality factor
- QTS
- 0.77
- Power handling
- P
- 120
- W
- Program power
- Pmax
- 240
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.2
- mH
- VC Diameter
- 60
- mm
- Force factor
- Bl
- 5.0
- N/A
- Motor constant
- Bl/√RE
- 2.89
- N/√W
- Effective diameter
- 128
- mm
- Effective area
- SD
- 128
- cm²
- Moving mass
- MMS
- 14
- g
- Moving mass (without air load)
- MMD
- 12.9
- g
- Material
- Kevlar Sandwich
- Stiffness
- KMS
- 3.33
- N/mm
- Compliance
- CMS
- 300
- µm/N
- Equivalent volume to the compliance
- VAS
- 7
- L
- Mechanical resistance
- RMS
- 0.62
- N·s/m
- Surround material
- TMD
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Overall diameter
- 165
- mm
- Baffle cutout diameter
- 141
- mm
- Mounting depth
- 54
- mm
- Volume occupied by the driver (estimated)
- 0.8
- L
- Net weight
- 1.95
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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