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ElectroVoice EV DH1A-WP

6 ohms Compression Driver for PA System / Loudsystem / DJ Horn Speaker

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ElectroVoice EV DH1A-WP

6 ohms Compression Driver for PA System / Loudsystem / DJ Horn Speaker


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The Electro Voice DH1A-WP is a weather proof version of the DH1A high-frequency compression driver. The driver is capable of unprecedentedly high acoustic power output over an extremely wide frequency range.

The DH1A-WP is intended primarily for outdoor use with the HP series horns. Typical applications would include large outdoor systems such as ball parks, race tracks, and stadiums.

  • 6 ohms Compression Driver for PA System / Loudsystem / DJ Horn Speaker
  • Power frequency response: 500-20000 Hz (essentially flat 500-5000 Hz with 6 dB/octave rolloff to 20000 Hz, rapid rolloff beyond)
  • Nominal impedance: 8 ohms
  • Minimum impedance, on HP Series Horns above 500 Hz: 7 ohms at 6000 Hz
  • DC resistance: 4.5 ohms
  • Long-term average power capacity on HP horns, indicated bands of pink noise, 8-ohms impedance assumed:
    • 24 hours, 6 dB crest factor: 50 watts (500-20000 Hz)
    • 2 hours, 6 dB crest factor: 75 watts (1000-10000 Hz)
  • Nominal efficiency, 1000-5000 Hz pink noise, 8 ohm impedance assumed: 25%
  • Maximum long-term acoustic power output (24 hours): 10 watts
  • Recommend minimum crossover frequency: 500 Hz
  • Sound pressure level at 1 meter, 1 watt input averaged from 500 Hz to 5000 Hz:
    • 115 dB, HP4020 horn
    • 113 dB, HP6040 horn
    • 111 dB, HP9040 horn
    • 114 dB, HP420 horn
    • 112 dB, HP640 horn
    • 110 dB, HP940 horn
    • 108 dB, HP1240 horn
  • Throat diameter: 1.94" (4.92 cm)
  • Voice coil diameter: 3" (7.62 cm)
  • Voice coil construction: Rectangular edge-wound pure aluminum wire on a high-temperature polyimide form
  • Diaphragm construction: Integral all-titanium construction consisting of spherical diaphragm dome and geometrically optimized suspension; a low fatigue, high temperature, long duration cure engineering polymer bonds the coil form to the diaphragm
  • Electrical connection: Screw terminals, each of which will accept a pair 12-gauge wires and any smaller
  • Polarity: A positive voltage applied to the positive (+) terminal produces a positive acoustic pressure in the throat
  • Mechanical connection: Bolt on, 4 equally spaced holes on a 4" diameter circle, 1/4" - 10 threads, bolts supplied with HP series horns
  • Dimensions: 8.88" Diameter x 8.88"H
  • 1-year Manufacturer's warranty

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: ElectroVoice EV DH1A-WP