ND550

DRIVER

The ND550 is a high frequency performance 1.75-inch diaphragm compression driver with a 1-inch exit throat featuring several state of the art technologies.
The diaphragm are precision formed from pure titanium.
The suspension is based on a vented polyester design for low distortion.
Voice coil assembly is designed using high temperature kapton former.

Applications
  • • Compact 2-way systems
  • • Multiple way medium throw systems
  • • Compact and medium size high quality line arrays
  • • Studio monitoring subwoofer systems
  • • Very good linearity in combination with RCF HF94, HF64, HF101 and H100 horns
Part Number
  • • 15129025
Features
  • 1.75-inch Diaphragm, 1-inch Exit Throat / Pure Titanium Compression Driver
  • 100W continuous program power handling
  • Frequency range: 1200Hz - 20kHz
  • 3-slot optimized geometry phase plug
  • Titanium diaphragm
  • Copper inductance ring for extended response
  • Vented, damped, low distortion suspension system
  • Neodymium magnet
General Specifications
  • Exit Throat Diameter: 25.4 / 1.0 mm/inch
  • Rated Impedance: 8 Ω
  • Power handling capacity continuous program1: 100 W AES
  • Power handling capacity AES2: 50 W AES
  • Sensitivity: 109 dB
  • Frequency Range: 1200 Hz ÷ 20000 Hz
  • Diaphragm Material: Pure titanium
  • Suspension Material: Polyester
  • Suspension Design: Flat
  • Minimum Impedance: (at 2.5kHz) 7.5 Ω
  • Voice Coil Diameter: 44.4 / 1.75 mm/inch
  • Voice Coil Material: Edgewound aluminium
  • Voice Coil Former Design: Straight kapton
  • Number of layers: 1 - outside
  • BL Factor: 8.1 T · m
  • Flux Density: 2 T
  • Phase Plug Design: 3 slots
  • Phase Plug Material: Composite
  • Magnetics: Neodymium
  • Voice Coil Demodulation: Copper ring
Mounting information
  • Overall diameter: 90 / 3.5 mm/inch
  • Overall height: 47 / 1.8 mm/inch
  • Mounting 4 × 5 mm holes at 90°: 76.2 / 3.0 mm/inch
  • Net weight: 1 / 2.2 kg/lbs
Shipping information
  • Package height: 8 / 3.1 mm/inch
  • Package width: 14 / 5.5 mm/inch
  • Package depth: 14 / 5.5 mm/inch
  • Shipping weight: 1.2 / 2.6 kg/lbs