RCF ND340 NEO Driver 1.75-Inch Polyimide Diaphragm 1-Inch Exit Throat 50 Watts Rms 100 Watts Peak 8-Ohm Precision Transducers Pro Audio Sound SpeakerGENERAL || Brand : RCF || Model Number : 15129054 | ND340 || UPC : 728990193525 || FEATURES || 1.75-inch Diaphragm, 1.0-inch Exit Throat || 100 watt Continuous program power handling || Frequency range: 1200Hz - 20kHz || 2-slot, optimised geometry phase plug || Polyimide diaphragm || Extremely compact neodymium magnet assembly ||SPECIFICATIONS || Exit Throat Diameter : 1.0 inch / 25 mm || Related Impedance : 8 ohm || Program Power (watt) : 100 W || Power handling capacity : 50 W || Sensitivity : 109 dB || Frequency range : 1200 - 20000 Hz || Suspension Design : Flat || Minimum Impedance (ohm) : 6.50 ohm || Voice Coil Diameter : 1.75 inch / 44 mm || Voice Coil Former Design : Straight - Kapton || Number of layers : 1 || Kind of layers : outside || Flux Density : 1.9 T || Phase Plug Design : 2 slot ||THIELE - SMALL PARAMETERS || Bl factor (Bl) (T x m) : 7.90 T x m || MOUNTING INFORMATION || Overall diameter : 76 mm / 2.99 inches || Overall height : 39 mm / 1.54 inches || Mounting : 4 x 5 mm threaded holes at 90° || STANDARD COMPLIANCE || Safety agency : CE compliant || SIZE || Weight : 0.63 kg / 1.39 lbs ||SHIPPING INFORMATION || Package Height : 65 mm / 2.56 inches || Package Width : 95 mm / 3.74 inches || Package Depth : 97 mm / 3.82 inches || Package Weight : 0.81 kg / 1.79 lbs ||The ND340 is a high performance neodymium compression driver with a 1.0-inch exit throat. The diaphragm is precision formed from polyimide. The 1.75” voice coil assembly use high temperature Kapton former, edge wound copper clad aluminum wire and assembled using advanced, specially formulated adhesives.
