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

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.

Part number:

15129024
ND650
8ohm

15129036
ND650
16ohm

Specifications
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 Aluminium
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:
Aluminium
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°
Size
Weight:
1.88 kg / 4.14 lbs
Shipping information
Package Height:
85 mm / 3.35 inches
Package Width:
160 mm / 6.3 inches
Package Depth:
160 mm / 6.3 inches
Package Weight:
2.02 kg / 4.45 lbs
Downloads

RCF products are continually improved. All specifications are therefore subject to change without notice.