KICKER Competition Gold 50GOLD124

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37.1Hz
• Mechanical quality factor QMS 10.05
• Electrical quality factor QES 0.76
• Total quality factor QTS 0.70

Large signal parameters

• Maximum linear excursion xmax 17.5mm
• Air volume displaced at xmax VD 887cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.0Ω
• Inductance (1kHz, in series) LE 4.96mH

Magnet

• Force factor (in series) Bl 18.5N/A
• Motor constant Bl/√RE 6.99N/√W

Diaphragm

• Effective diameter 254mm
• Effective area SD 507cm²
• Moving mass MMS 159g
• Moving mass (without air load) MMD 151g

Suspensions

• Stiffness KMS 8.61N/mm
• Compliance CMS 116µm/N
• Equivalent volume to the compliance VAS 42.2L
• Mechanical resistance RMS 3.69N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Baffle cutout diameter 279mm
• Mounting depth 145mm
• Volume occupied by the driver (estimated) 2.3L