The RCF ND650 is a high-performance 2.5-inch diaphragm compression driver with a 1.4-inch exit throat, designed for precise and powerful high-frequency reproduction. Featuring a pure titanium diaphragm, a 3-slot optimized phase plug, and a neodymium magnet assembly, it delivers exceptional efficiency and clarity. The vented polyester suspension minimizes distortion, while the copper inductance ring extends the frequency response. With 180W continuous program power handling and 110 dB sensitivity, the ND650 is ideal for professional audio applications requiring accurate and dynamic sound performance. Product Specifications: Exit Throat Diameter: 1.4 inches (36 mm) Impedance: 8 ohms Program Power Handling: 180W Continuous Power Handling: 90W Sensitivity: 110 dB Frequency Range: 700Hz – 20kHz Diaphragm Material: Pure Titanium Suspension Material: Polyester Suspension Design: Flat Minimum Impedance: 7.5 ohms Voice Coil Diameter: 2.5 inches (63 mm) Voice Coil Winding Material: Edgewound Aluminum Voice Coil Former Design: Straight - Kapton Number of Layers: 1 (outside) Flux Density: 2.0 T Phase Plug & Magnetics Phase Plug Design: 3-slot Phase Plug Material: Aluminum Magnet Type: Neodymium Voice Coil Demodulation Ring: Copper 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° Compliance & Certifications Safety Certification: CE compliant Weight: 1.88 kg / 4.14 lbs Shipping Information: Package Dimensions (H x W x D): 63 mm x 142 mm x 144 mm (2.48" x 5.59" x 5.67") Package Weight: 2.02 kg / 4.45 lbs
