KICKER L7R 45L7R152

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 25.4Hz
• Mechanical quality factor QMS 8.45
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.59

Large signal parameters

• Maximum linear excursion xmax 20.3mm
• Air volume displaced at xmax VD 2116cm³
• Power handling P 900W
• Program power Pmax 1800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.1Ω
• Inductance (1kHz, in series) LE 6.14mH

Magnet

• Force factor (in series) Bl 20.8N/A
• Motor constant Bl/√RE 10.3N/√W

Diaphragm

• Effective diameter 365mm
• Effective area SD 1045cm²
• Moving mass MMS 430g
• Moving mass (without air load) MMD 409g

Suspensions

• Stiffness KMS 10.9N/mm
• Compliance CMS 91.5µm/N
• Equivalent volume to the compliance VAS 142L
• Mechanical resistance RMS 8.1N·s/m

Dimensions

• Nominal size 15 x 15″
• 380 x 380mm
• Mounting baffle cutout 349 x 349mm
• Mounting depth 215mm
• Volume occupied by the driver (estimated) 4.3L