KICKER SoloX 49L7X81

• Sensitivity (1W, 1m, infinite baffle) SPL1W 80.5dB
• Frequency response 30 - 100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 4.43
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.63

Large signal parameters

• Maximum linear excursion xmax 24mm
• Air volume displaced at xmax VD 599cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.9Ω
• Inductance (1kHz, in series) LE 1.91mH
• VC Diameter 62.5mm
• Winding height HVC 48mm

Magnet

• Force factor (in series) Bl 14.3N/A
• Motor constant Bl/√RE 10.3N/√W
• Diameter 176mm
• Weight 6.4kg

Diaphragm

• Effective diameter 178mm
• Effective area SD 250cm²
• Moving mass MMS 253g
• Moving mass (without air load) MMD 251g

Suspensions

• Stiffness KMS 23.5N/mm
• Compliance CMS 42.5µm/N
• Equivalent volume to the compliance VAS 3.75L
• Mechanical resistance RMS 17.4N·s/m

Dimensions

• Nominal size 8 x 8″
• 200 x 200mm
• Mounting baffle cutout 186 x 186mm
• Overall depth 209mm
• Flange thickness 8mm
• Mounting depth 201mm
• Volume occupied by the driver (estimated) 6.3L