Focal K2 POWER M 3 KM
4Ω
Mid-range
| Nominal diameter | 3″ / 80 mm |
| Resonance | 170 Hz |
| Q factor | 0.65 |
| Sensitivity | 85.5 dB |
| Program Power | 120 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.5dB
- Frequency response 200 - 9000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 170Hz
- Mechanical quality factor QMS 7.00
- Electrical quality factor QES 0.72
- Total quality factor QTS 0.65
Large signal parameters
- Power handling P 60W
- Program power Pmax 120W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.0Ω
- Inductance (1kHz, estimated) LE 0.15mH
- VC Diameter 35mm
Magnet
- Force factor Bl 4N/A
- Motor constant Bl/√RE 2.31N/√W
- Diameter 47mm
Diaphragm
- Effective diameter 62mm
- Effective area SD 30cm²
- Moving mass MMS 3.4g
- Moving mass (without air load) MMD 3.3g
- Material Kevlar Sandwich
Suspensions
- Stiffness KMS 2.5N/mm
- Compliance CMS 400µm/N
- Equivalent volume to the compliance VAS 0.3L
- Mechanical resistance RMS 0.52N·s/m
- Surround material TMD
Dimensions
- Nominal diameter 3″
- 80mm
- Overall diameter 80mm
- Baffle cutout diameter 66mm
- Mounting depth 27mm
- Net weight 0.2kg
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