User manual ELECTRO-VOICE DH2T-8 DATASHEET

[. . . ] DH2T-8/DH2T-16 2-Inch High Frequency Transducer Key Features: · · · · · Pure titanium dome provides extended high frequency response Lightweight aluminum voice coil for maximum efficiency Unique convex-drive phase plug 1-3/8" screw on connection Available in 8 and 16 ohms General Description: The Electro-Voice DH2T high frequency compression driver is capable of high acoustic output over a wide frequency range. [. . . ] Recommended Crossover : 800 Hz or Higher Nominal Efficiency: 25% Sound Pressure Level2 : 114 dB, HP420 Horn (1 Watt @ 1 Meter) 112 dB, HP640 Horn 110 dB, HP940 Horn Throat Diameter : 1" (25mm) Voice Coil Diameter : 2" (50 mm) Voice Coil Wire: Pure Aluminum Wire Diaphragm Construction: 0. 03 mm Pure Titanium Dome and Surround Electrical Connection: One 0. 2" (+ Terminal) and one 0. 25" (- Terminal) Fast-on Connectors Polarity: Positive Voltage to Positive Terminal Produces a Positive Acoustic Pressure Flux Density: 1. 6 Tesla Net Weight (each): 5. 5 lbs (2. 5 kg) Shipping Weight: 6. 5 lbs (3. 0 kg) 1 Power capacity per AES standard. Continuous pink noise, 800 - 8000 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 500 - 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 DH2T diaphragm assemblies. Electro-Voice's commitment to precision compression driver manufacturing and modern design techniques assure the DH2T user the highest level of audio and engineering excellence. Frequency Response (On a Tube): Note: Frequency response and impedance of the DH2T-16 driver attatched to a 25mm (1. 0") diameter plane wave tube, using one watt input (4 Vrms). Dimension Drawings: Frequency Response (On an HP64M Horn): Top View Note: Frequency response and impedance of the DH2T-16 driver attached to an HP64M 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-3 Adapter) Bottom View Accessories: · ADH-3 Adapter (For 1. 38" Exit) 588-587 588-2855 Side View (Shown with Optional ADH-5 Adapter) (must be purchased separately) · ADH-5 Adapter (For 2. 0" Exit) (must be purchased separately) DH2T-8 Part Number: 834-PA-2680 DH2T-16 Part Number: 834-PA-3391 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. [. . . ]