KICKER Solo-Baric L7S 44L7S122

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
• Frequency response 20 - 100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30.9Hz
• Mechanical quality factor QMS 11.27
• Electrical quality factor QES 0.63
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 19.3mm
• Air volume displaced at xmax VD 1242cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.9Ω
• Inductance (1kHz, in series) LE 4.5mH

Magnet

• Force factor (in series) Bl 18.3N/A
• Motor constant Bl/√RE 9.31N/√W

Diaphragm

• Effective diameter 287mm
• Effective area SD 645cm²
• Moving mass MMS 282g
• Moving mass (without air load) MMD 272g

Suspensions

• Stiffness KMS 10.6N/mm
• Compliance CMS 94.8µm/N
• Equivalent volume to the compliance VAS 55.8L
• Mechanical resistance RMS 4.85N·s/m

Dimensions

• Nominal size 12 x 12″
• 305 x 305mm
• Mounting baffle cutout 281 x 281mm
• Mounting depth 169mm
• Volume occupied by the driver (estimated) 2.4L