1.75-Inch RCF NDX495 Compression Driver

The RCF NDX495 is a compact, high-performance 1.75-inch compression driver designed for professional audio applications. Featuring a PKX polymer dome and polyimide surround, it delivers exceptional clarity, power handling, and reliability. With an ultra-light edge-wound aluminum voice coil, neodymium magnet, and a 4-slot phase plug, the NDX495 ensures high sensitivity and low distortion. Its low recommended crossover point (1000 Hz) makes it ideal for two-way cabinet designs and three-way loudspeaker systems.

Product Specifications:

Exit Throat Diameter: 1.0 inch / 25 mm

Impedance: 8 ohms

Program Power: 140 W

Power Handling Capacity: 70 W

Sensitivity: 109 dB

Frequency Range: 1200 – 20,000 Hz

Diaphragm Material: PKX Polymer

Suspension Material: PKX Polymer

Suspension Design: Flat

Minimum Impedance: 6.50 ohm

Voice Coil Diameter: 1.75 inch / 44 mm

Voice Coil Winding Material: Edgewound Aluminum

Voice Coil Former: Straight – Kapton

Number of Layers: 1 (outside wound)

Flux Density: 1.8 T

Phase Plug Design: 4-slot

Phase Plug Material: PP Composite

Magnet Type: Neodymium

Mounting Information

Overall Diameter: 85 mm / 3.35 inches

Overall, Height: 44 mm / 1.73 inches

Mounting: 4 x 6 mm threaded holes at 90°

Compliance & Safety

Standard Compliance: CE Compliant

Shipping Information

Package Height: 65 mm / 2.56 inches

Package Width: 111 mm / 4.37 inches

Package Depth: 113 mm / 4.45 inches

Package Weight: 0.89 kg / 1.96 lbs