KICX Tornado Sound 12 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.7dB
• Frequency response 35 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 5.51
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.47

Large signal parameters

• Power handling P 2000W
• Program power Pmax 4000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.8Ω
• Inductance (1kHz, in series, estimated) LE 4.07mH
• VC Diameter 76mm

Magnet

• Force factor (in series) Bl 23.5N/A
• Motor constant Bl/√RE 12N/√W
• Diameter 220mm

Diaphragm

• Effective diameter 239mm
• Effective area SD 450cm²
• Moving mass MMS 338g
• Moving mass (without air load) MMD 331g
• Material Paper

Suspensions

• Stiffness KMS 16.6N/mm
• Compliance CMS 60.2µm/N
• Equivalent volume to the compliance VAS 61L
• Mechanical resistance RMS 13.5N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Mounting depth 210mm
• Volume occupied by the driver (estimated) 7.3L
• Net weight 15.8kg