KICKER SoloX 49L7X121

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 20 - 100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40.3Hz
• Mechanical quality factor QMS 8.95
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 31.3mm
• Air volume displaced at xmax VD 1830cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.8Ω
• Inductance (1kHz, in series) LE 2.71mH
• VC Diameter 75mm
• Winding height HVC 62.5mm

Magnet

• Force factor (in series) Bl 19.4N/A
• Motor constant Bl/√RE 14.4N/√W

Diaphragm

• Effective diameter 273mm
• Effective area SD 586cm²
• Moving mass MMS 420g
• Moving mass (without air load) MMD 411g

Suspensions

• Stiffness KMS 26.9N/mm
• Compliance CMS 37.5µm/N
• Equivalent volume to the compliance VAS 18L
• Mechanical resistance RMS 11.9N·s/m

Dimensions

• Nominal size 12 x 12″
• 300 x 300mm
• Mounting baffle cutout 281 x 281mm
• Overall depth 270mm
• Flange thickness 13mm
• Mounting depth 257mm
• Volume occupied by the driver (estimated) 12L
• Net weight 11.5kg