KICKER L7R 45L7R104

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 32.1Hz
• Mechanical quality factor QMS 7.05
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 16.8mm
• Air volume displaced at xmax VD 725cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series) LE 6.49mH

Magnet

• Force factor (in series) Bl 23.1N/A
• Motor constant Bl/√RE 8.88N/√W

Diaphragm

• Effective diameter 235mm
• Effective area SD 433cm²
• Moving mass MMS 176g
• Moving mass (without air load) MMD 170g

Suspensions

• Stiffness KMS 7.16N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 37L
• Mechanical resistance RMS 5.04N·s/m

Dimensions

• Nominal size 10 x 10″
• 250 x 250mm
• Mounting baffle cutout 237 x 237mm
• Mounting depth 157mm
• Volume occupied by the driver (estimated) 1.5L