KICKER CompQ 42CWQ124

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
• Frequency response 20 - 100Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37.8Hz
• Mechanical quality factor QMS 8.79
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 23.2mm
• Air volume displaced at xmax VD 1173cm³
• Power handling P 850W
• Program power Pmax 1700W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.1Ω
• Inductance (1kHz, in series) LE 7.26mH

Magnet

• Force factor (in series) Bl 24.2N/A
• Motor constant Bl/√RE 9.79N/√W

Diaphragm

• Effective diameter 254mm
• Effective area SD 507cm²
• Moving mass MMS 257g
• Moving mass (without air load) MMD 249g

Suspensions

• Stiffness KMS 14.5N/mm
• Compliance CMS 68.5µm/N
• Equivalent volume to the compliance VAS 25L
• Mechanical resistance RMS 6.96N·s/m

Dimensions

• Nominal diameter 12″
• 318mm
• Overall diameter 318mm
• Baffle cutout diameter 281mm
• Mounting depth 181mm
• Volume occupied by the driver (estimated) 2.7L