User manual ELECTRO-VOICE DH7 EDS
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Manual abstract: user guide ELECTRO-VOICE DH7 EDS
Detailed instructions for use are in the User's Guide.
[. . . ] DH7-8/DH7-16
3-Inch High Frequency Transducer
· · · · · · · Very smooth frequency response Geometrically optimized titanium diaphragm 75mm edgewound aluminum voice coil Secure screw down terminals Compact and rugged 1. 4" bolt-on exit diameter Available in 8 and 16 ohms
The Electro-Voice DH7 high frequency compression driver is capable of high acoustic output over a wide frequency range. [. . . ] Recommended Crossover : 1000 Hz or Higher Nominal Efficiency: 25% Sound Pressure Level2: 113 dB, HP420 Horn (1 Watt @ 1 Meter) 111 dB, HP640 Horn 109 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: 1. 7 Tesla Net Weight (each): 10. 0 lbs (4. 5 kg) Shipping Weight: 11. 0 lbs (5. 0 kg)
Power capacity per AES standard. Continuous pink noise, 1000 - 10000 Hz with a 6 dB crest factor, 2 hours. 2 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 and performance of all DH7 diaphragm assemblies. Electro-Voice's commitment to precision compression driver manufacturing and modern design techniques assure the DH7 user the highest level of audio and engineering excellence.
Frequency Response (On a Tube):
Note: Frequency response and impedance of the DH7-16 driver attatched to a 38mm (1. 5") diameter plane wave tube, using one watt input (4 Vrms).
Frequency Response (On an HP94 Horn):
Note: Frequency response and impedance of the DH7-16 driver attached to an HP94 Horn, measured on axis in the far field using one watt input (4 Vrms). SPL calculated to 1 meter equivalent by inverse square law.
Dimension Drawings (Cont'):
Side View Side View (Shown with Optional ADH-6 Adapter) Bottom View
· ADH-6 Adapter (For 2" Exit) 591183-102
(must be purchased separately)
DH7-8 Part Number: 827-3389 DH7-16 Part Number: 827-3390
U. S. A. [. . . ] 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. [. . . ]
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