KICX Z12

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 40.4Hz
• Mechanical quality factor QMS 6.01
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.58

Large signal parameters

• Power handling P 500W
• Program power Pmax 900W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.7Ω
• Inductance (1kHz, in series) LE 1.38mH
• VC Diameter 50.8mm

Magnet

• Force factor (in series) Bl 16.9N/A
• Motor constant Bl/√RE 7.81N/√W
• Material Ferrite

Diaphragm

• Effective diameter 254mm
• Effective area SD 506cm²
• Moving mass MMS 153g
• Moving mass (without air load) MMD 145g
• Material Paper

Suspensions

• Stiffness KMS 9.9N/mm
• Compliance CMS 101µm/N
• Equivalent volume to the compliance VAS 36.6L
• Mechanical resistance RMS 6.46N·s/m

Dimensions

• Nominal diameter 12″
• 312mm
• Baffle cutout diameter 278mm
• Mounting depth 146mm
• Volume occupied by the driver (estimated) 2.7L
• Net weight 6.2kg