KICKER CompRT 48CWRT674

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 68.9Hz
• Mechanical quality factor QMS 11.54
• Electrical quality factor QES 1.08
• Total quality factor QTS 0.99

Large signal parameters

• Maximum linear excursion xmax 6.8mm
• Air volume displaced at xmax VD 86cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.9Ω
• Inductance (1kHz, in series) LE 2.44mH

Magnet

• Force factor (in series) Bl 11.4N/A
• Motor constant Bl/√RE 4.05N/√W

Diaphragm

• Effective diameter 127mm
• Effective area SD 127cm²
• Moving mass MMS 40.9g
• Moving mass (without air load) MMD 39.8g

Suspensions

• Stiffness KMS 7.67N/mm
• Compliance CMS 131µm/N
• Equivalent volume to the compliance VAS 2.97L
• Mechanical resistance RMS 1.54N·s/m

Dimensions

• Nominal diameter 6.75″
• 173mm
• Baffle cutout diameter 143mm
• Mounting depth 70mm
• Volume occupied by the driver (estimated) 0.56L