Features
  • 1.75-inch Kapton/polyimide dome
  • Kapton former, edge wound aluminum voice coil
  • 140W continuous program power handling @ 8O
  • Frequency range: 1200Hz - 20kHz
  • 2-slot optimized geometry phase plug
  • Ceramic magnet
  • Recommended for 2-way speaker design

The CDK455 is a compression driver for professional applications where high-quality sound and long-term reliability are required. The ultra-compact size, 1.75" Kapton® dome, and the low recommended crossover point make this transducer ideal for point source two-way cabinet designs. The new 1.75" compression driver voice-coil design with Polyimide-Kapton dome features a new bonding technology and reinforced ribs make it robust and durable. The transducer utilizes ceramic magnets and a 2-slot phase plug to deliver exceptional power handling, sensitivity, and low distortion across its operating bandwidth. The driver specifies 140 Watts of continuous power handling, with a sensitivity of 109 dB.

Part number:

15100031
CDK455

Specifications
General specifications
Exit Throat Diameter
1.0 inch / 25 mm
Related Impedance
8 ohm
Program Power (watt)
140 W
Power handling capacity
70 W
Sensitivity
109 dB
Frequency range
1200 - 20000 Hz
Diaphragm Material
Polyimide
Suspension Material
Polyimide
Suspension Design
Flat
Minimum Impedance (ohm)
6.50 ohm
Voice Coil Diameter
1.75 inch / 44 mm
Voice Coil Winding Material
Edgewound Aluminum
Voice Coil Former Design
Straight - Kapton
Number of layers
1
Kind of layers
outside
Flux Density
1.5 T
Phase Plug Design
2 slot
Phase Plug Material
PP Composite
Magnetics
Ceramic
Thiele - small parameters
Bl factor (Bl) (T x m)
5.85 T x m
Mounting information
Overall diameter
102 mm / 4.02 inches
Overall height
47 mm / 1.85 inches
Mounting
4 x 6 mm threaded holes at 90°
Standard compliance
Safety agency
CE compliant
Size
Weight
1.23 kg / 2.71 lbs
Shipping information
Package Height
74 mm / 2.91 inches
Package Width
122 mm / 4.8 inches
Package Depth
123 mm / 4.84 inches
Package Weight
1.35 kg / 2.98 lbs
Downloads
SPECIFICATIONS
PDF
1.1 MB
19-08-2024
PDF
100 KB
11-07-2024
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