Contacta HLD7 Hearing Loop Driver

Contacta HLD7 Hearing Loop Driver

Product Code: 954.014UK
Brand: AVSL
More Information

A pioneering, modular, hearing loop driver for perimeter or phased array configurations, suitable for large area applications such as theatres, conference facilities, sports arenas, concert halls and auditoria. As a Class D driver, it manages power extremely efficiently, meaning that it emits very little heat from its compact packaging. To make the experience of using it as simple as possible, the driver includes sophisticated communication capabilities, enabling remote set-up and control of levels, as well as system interrogation and performance monitoring. Complies with the following standards: FCC class “B” EMC (emissions); IEC 60118-4:2006 (in correct installations); BS EN 55103-1:2009 (EMC emissions); BS EN 55103-2:2009 (EMC immunity).

  • Built-in 90º phase shift
  • Flexible configuration
  • Ultra-efficient power utilisation
  • Sleep mode
  • High frequency compensation
  • Continuous self-testing

The box for this item contains :

  • HLD7 Hearing Loop Driver
  • Power supply
  • Instruction manual


  • Input : line Balanced XLR or 3.6mm TRS jack
  • Input : mic Balanced XLR with switchable phantom power or 6.3mm jack for electret microphone with 3.3Vdc pantom power via 680 Ohm load
  • Loop connection 4 pole speakon connector
  • Loop drive current 6A RMS compliance current @ 1Khz sine wave
  • Loop drive voltage 15V RMS compliance voltage
  • Frequency response : ±3dB 100 Hz - 5kHz
  • Distortion Better than -40dB inputs at nominal level
  • Automatic gain control Digitally controlled
  • Dimensions 44.5 x 200 x 266 mm
  • Weight 2.5kg
  • Finish Aluminium power coated black housing stainless steel front & rear

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