Description
The RCF ND940 is a high-performance 4-inch diaphragm compression driver with a 1.4-inch exit throat, designed for precise sound reproduction and high-power handling. It features a neodymium magnet assembly for superior control, ensuring high efficiency and reduced high-frequency distortion. The Kapton voice coil former and edge-wound aluminum wire enhance durability and thermal resistance, while the copper demodulation ring optimizes inductance for extended frequency response. A 4-slot phase plug design minimizes air distortion, ensuring smooth and accurate sound output, making it ideal for professional audio applications.
Product Specifications:
Exit throat diameter: 1.4 inch (36 mm)
Impedance: 8Ω
Program power: 280W
Power handling: 140W
Sensitivity: 110 dB
Frequency range: 500 Hz - 20 kHz
Diaphragm material: Pure titanium
Suspension material: Polyimide
Suspension design: Flat
Voice coil diameter: 4.0 inch (102 mm)
Winding material: Edgewound aluminum
Former material: Kapton (Direct Drive)
Layers: Outside, single layer
Flux density: 2.0 T
Phase plug: 4-slot aluminum
Magnet type: Neodymium
Demodulation ring: Copper
Overall diameter: 140 mm (5.51 inches)
Overall height: 60 mm (2.36 inches)
Mounting: 4 × 6 mm threaded holes at 90°
Certifications: CE compliant
Weight: 2.72 kg (6 lbs)
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