Overview2.5-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 Specifications
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 General specifications
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 : Polyester
Suspension Design : Flat
Minimum Impedance (ohm) : 7.50 ohm
Voice Coil Diameter : 2.5 inch / 63 mm
Voice Coil Winding Material : Edgewound Aluminum
Voice Coil Former Design : Straight - Kapton
Number of layers : 1
Kind of layers : outside
Flux Density : 2.0 T
Phase Plug Design : 3 slot
Phase Plug Material : Aluminum
Magnetics : Neodymium
Voice Coil Demodulation Ring : Copper
Thiele - small parameters
Bl factor (Bl) (T x m) : 10.40 T x m
Mounting information
Overall diameter : 115 mm / 4.53 inches
Overall height : 46 mm / 1.81 inches
Mounting : 4 x 6 mm threaded holes at 90°
Standard compliance
Safety agency : CE compliant
Size / Weight
Weight : 1.88 kg / 4.14 lbs
Shipping information
Package Height : 63 mm / 2.48 inches
Package Width : 142 mm / 5.59 inches
Package Depth : 144 mm / 5.67 inches
Package Weight : 2.02 kg / 4.45 lbs
