User manual ELECTRO-VOICE ND6 EDS

[. . . ] ND6-8/ND6-16 3-Inch High Frequency Neodymium Transducer Key Features: · · · · · · · · Extremely high acoustic output Geometrically optimized titanium diaphragm Very high sensitivity and reliability Neodymium magnet provides unprecedented output to size ratio Compact, rugged and light weight 1. 4" exit diameter 2. 0" exit diameter with ADH-6 adapter Die-cast aluminum heatsink General Description: The Electro-Voice ND6 is a world-class high-frequency compression driver capable of extremely high acoustic output over a wide frequency range. [. . . ] A unique, geometrically optimized 3" titanium diaphragm, consisting of a one-piece dome and suspension system gives these drivers an ideal combination of superb high-frequency response and resistance to fatigue. Integrated into the ND6's design is a finned aluminum heatsink to increase power handling and reliability. Technical Specifications: ND6-8 Nominal Impedance: 8 ohms ND6-16 16 ohms 14 ohms 10 ohms Minimum Impedance: 7 ohms @ 6 kHz DC Resistance: 4. 5 ohms Freq. Recommended Crossover2 : 1000 Hz or higher Nominal Efficiency: 28% Sound Pressure Level3 : 114 dB, HP420 Horn (1 Watt @ 1 Meter) 112 dB, HP640 Horn 110 dB, HP940 Horn Throat Diameter : 1. 38" (35mm) Voice Coil Diameter : 3" (75 mm) Voice Coil Wire: Pure Aluminum Ribbon Diaphragm Construction: 0. 05 mm Pure Titanium Dome and Surround Electrical Connection: Screw Terminals (Accepts a pair of 12GA Wires Polarity: Positive Voltage to Positive Terminal Produces a Positive Acoustic Pressure Flux Density: 2. 15 Tesla Net Weight (each): 5. 5 lbs (2. 5 kg) Shipping Weight: 6. 5 lbs (3. 0 kg) 1 Power capacity per AES standard. 3 Sound Pressure measured on axis in the far field with 1 Watt input of band-limited pink noise from 1000 - 5000 Hz and calculated to 1 Meter equivalent by inverse square law. General Description (Cont'): Pure aluminum rectangular voice coil wire is used to obtain the highest sensitivity. Proprietary bonding and winding technologies assure unsurpassed reliability. Electro-Voice's commitment to precision compression driver manufacturing and modern design techniques assure the ND6 user the highest level of audio and engineering excellence. Frequency Response (On a Tube): Note: Frequency response and impedance of the ND6-16 driver attatched to a 38mm (1. 5") diameter plane wave tube, using one watt input (4 Vrms). Dimension Drawings: Frequency Response (On an HP94 Horn): Top View Note: Frequency response and impedance of the ND6-16 driver attached to an HP94 Horn, measured on axis in the far field using one watt input (4 Vrms). [. . . ] For customer orders, contact Customer Service at: + 1 952 884-4051 Fax: + 1 952 887-9212 For warranty repair or service information, contact the Service Repair department at: 800/685-2606 For technical assistance, contact Technical Support at: 866/78AUDIO Specifications subject to change without notice. 12000 Portland Avenue South, Burnsville, MN 55337 Phone: 952/884-4051, Fax: 952/884-0043 www. electrovoice. com © Telex Communications, Inc. [. . . ]