C18-650EL

• NEW 18" Cast Frame Woofer
• 1,200 watts AES
• 2,400 watts Program
• 30Hz-800Hz
• Aluminum Demodulation Ring
• Double Spider
• 8 ohms

  Nominal Basket Diameter	18"
  Impedance	8 ohms
  RMS Power Rating	1,200 Watts
  Program Power	2,400 Watts
  Frequency Response	30Hz - 800Hz
  Sensitivity (1W/1m)	98dB
  Voice Coil Diameter	3.9" / 99.3mm
  Mounting Information
  Overall Diameter	18.74" / 476.1mm
  Bolt Circle Diameter	17.72" / 450mm
  Baffle Cutout Diameter	16.86" / 428.2mm
  No. Of Mounting Holes	8
  Overall Depth	8.84" / 224.6mm
  Net Weight	29.3 lb. / 13.3 kg.
  Shipping Weight	32.4 lb. / 14.7 kg.
  Materials
  Basket	Die Cast Aluminum
  Cone	Paper
  Surround	Cloth
  Voice Coil	Copper Clad Aluminum Wire
  Magnet	Ferrite
  Former Material	Glass Fiber
  Terminal Type	Gold Plated Push
  Thiele-Small Parameters
  Resonant Frequency (fs)	46 Hz
  Impedance (Re)	5.8 ohms
  Coil Inductance (Le)	.63 mH
  Mechanical Q (Qms)	5.39
  Electrical Factor (Qes)	.58
  Total Q (Qts)	.52
  Comp. Equivelant Vol. (Vas)	5.09 ft3 / 144.23 Liters
  Effective Surface Area (Sd)	1225 cm2
  Voice Coil Overhang (Xmax)	5.25 mm
  Diaphragm Mass (Mms)	.180 kg.
  Frequency Response
  Dimensional Drawing