RCF ND650, compression driver 1.4", 90 Watt RMS @ 8 Ohm

The ND650 is a high frequency performance 2.5-inch diaphragm compression driver with a 1.4-inch exit throat featuring several state of the art technologies. The diaphragm is 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.

Features 2.5-inch Diaphragm, 1.4-inch Exit Throat / Pure Titanium Compression Driver 180W continuous program power handling Frequency range: 700Hz - 20kHz 3-slot optimized geometry phase plug Titanium diaphragm Copper inductance ring for extended response Vented, damped, low distortion suspension system Neodymium magnet assembly

General Specifications Exit Throat Diameter: 35.5 / 1.4 mm/inch Rated Impedance: 8 Ohm Power handling capacity continuous program1: 180 W AES Power handling capacity AES2: 90 W AES Sensitivity: 110 dB Frequency Range: 700 Hz ÷ 20000 Hz Diaphragm Material: Pure titanium Suspension Material: Polyester Suspension Design: Flat Minimum Impedance: (at 2.5kHz) 7.5 Ohm Voice Coil Diameter: 63.7 / 2.5 mm/inch Voice Coil Material: Edgewound aluminium Voice Coil Former Design: Straight kapton Number of layers: 1 - outside BL Factor: 10.4 T · m Flux Density: 2 T Phase Plug Design: 3 slots Phase Plug Material: Aluminium Magnetics: Neodymium Voice Coil Demodulation: Copper ring

Mounting information Overall diameter: 115 / 4.5 mm/inch Overall height: 46 / 1.8 mm/inch Mounting 4 × 5 mm holes at 90°: 101.6 / 4.0 mm/inch Net weight: 1.8 / 3.9 kg/lbs