RCF ND640 DRIVER.. Product #: RCF ND640

RCF ND640

  • Exit Throat Diameter: 1.4 inch / 36 mm
  • Related Impedance: 8 ohm
  • Program Power (watt): 180 W
  • Power handling capacity: 90 W
  • Sensitivity: 110 dB
  • Frequency range: 700 - 20000 Hz
  • Diaphragm Material: Pure Titanium
  • Suspension Material: Pure Titanium
  • Suspension Design: Double Roll
  • Minimum Impedance (ohm): 7.50 ohm
  • Voice Coil Diameter: 2.5 inch / 63 mm
  • Voice Coil Winding Material: Edgewound Aluminium
  • Voice Coil Former Design: Direct Drive Kapton
  • Number of layers: 1
  • Kind of layers: outside
  • Flux Density: 1.9 T
  • Phase Plug Design: 3 slot
  • Phase Plug Material: Aluminium
  • Magnetics: Neodymium
  • Voice Coil Demodulation Ring: Copper
  • Weight: 1.06 kg / 2.34 lbs