Focal K2 POWER M 3 KM

• 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