Description
The RCF ND840 is a high-performance 3-inch diaphragm compression driver with a 1.4-inch exit throat, designed for compact yet powerful professional sound systems. It features a pure titanium diaphragm, 3-slot phase plug, and copper inductance ring for an extended frequency response with minimal distortion. The Direct Drive Kapton voice coil assembly ensures high power handling and thermal stability, while the vented, damped suspension system improves clarity and low-frequency extension. With 220W continuous program power handling and 109 dB sensitivity, the ND840 is an excellent choice for high-powered two-way and multi-way speaker systems.
Product Specifications:
Exit Throat Diameter:1.4 inch (36 mm)
Impedance:8Ω
Program Power:220W
Power Handling:110W
Sensitivity:109 dB
Frequency Range:500 Hz - 20 kHz
Diaphragm Material:Pure Titanium
Suspension Material:Pure Titanium
Suspension Design:Double Roll
Minimum Impedance:7.00Ω
Voice Coil Diameter:3.0 inch (76 mm)
Voice Coil Winding Material:Edgewound Aluminum
Voice Coil Former:Direct Drive Kapton
Layers:Inside/Outside, single layer
Flux Density:2.0 T
Phase Plug:3-slot aluminum
Magnet Type:Neodymium
Demodulation Ring:Copper
Overall Diameter:115 mm (4.53 inches)
Overall, Height:46 mm (1.81 inches)
Mounting:4 × 6 mm threaded holes at 90°
Shipping Information
Package Dimensions:142 × 144 × 63 mm (5.59 × 5.67 × 2.48 inches)
Weight:1.4 kg (3.09 lbs)
Shipping Weight:1.7 kg (3.75 lbs)
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Available Rebates for RCF ND840 Neodymium Compression Driver
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