Focal K2 POWER M 6.5 KM
4Ω
Woofer
Nominal diameter | 6.5″ / 165 mm |
Resonance | 76 Hz |
Q factor | 0.77 |
Sensitivity | 87.9 dB |
Program Power | 240 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
- Frequency response 50 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 76Hz
- Mechanical quality factor QMS 10.70
- Electrical quality factor QES 0.82
- Total quality factor QTS 0.77
Large signal parameters
- Power handling P 120W
- Program power Pmax 240W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.0Ω
- Inductance (1kHz, estimated) LE 0.39mH
- VC Diameter 60mm
Magnet
- Force factor Bl 5N/A
- Motor constant Bl/√RE 2.89N/√W
Diaphragm
- Effective diameter 128mm
- Effective area SD 128cm²
- Moving mass MMS 14g
- Moving mass (without air load) MMD 12.9g
- Material Kevlar Sandwich
Suspensions
- Stiffness KMS 3.33N/mm
- Compliance CMS 300µm/N
- Equivalent volume to the compliance VAS 7L
- Mechanical resistance RMS 0.62N·s/m
- Surround material TMD
Dimensions
- Nominal diameter 6.5″
- 165mm
- Overall diameter 165mm
- Baffle cutout diameter 141mm
- Mounting depth 54mm
- Volume occupied by the driver (estimated) 0.8L
- Net weight 1.95kg
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