KICKER L7R 45L7R122

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 28.6Hz
• Mechanical quality factor QMS 7.63
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 17.5mm
• Air volume displaced at xmax VD 1129cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.7Ω
• Inductance (1kHz, in series) LE 4.4mH

Magnet

• Force factor (in series) Bl 17.6N/A
• Motor constant Bl/√RE 9.21N/√W

Diaphragm

• Effective diameter 287mm
• Effective area SD 645cm²
• Moving mass MMS 272g
• Moving mass (without air load) MMD 262g

Suspensions

• Stiffness KMS 8.82N/mm
• Compliance CMS 114µm/N
• Equivalent volume to the compliance VAS 67.2L
• Mechanical resistance RMS 6.41N·s/m

Dimensions

• Nominal size 12 x 12″
• 300 x 300mm
• Mounting baffle cutout 281 x 281mm
• Mounting depth 174mm
• Volume occupied by the driver (estimated) 2.3L