Contacta HLD5 Induction loop driver

General Description

The Contacta HLD5 is a standalone dual output hearing loop driver designed for smaller facilities and venues. It has an integral phase shifter for perimeter or phased array loop configurations.

This driver is especially suited to powering loops in smaller areas such as meeting rooms and classrooms.

Features

Easy install and configuration
Configurable, built-in 90 degree phase shift
Efficient power saving sleep mode
High frequency compensation
Continuous self-testing
Drive level indication
100v input line to interface with PA system

Delivery Includes

1 Contacta HLD5 Professional induction loop driver

Technical Data

Inputs
MIC A: Microphone
Balanced or unbalanced (depending on how wired) switch selectable standard phantom power of 12V or 3.3VDC for electret microphones
MIC B: Microphone
Line A: Line level
0 dBV, adjustable
Line B: Line level
0 dBV, adjustable
100V Line
Transformer isolated, adjustable
Loop output
Loop A connection
2 x 2 way Phoenix screw terminal blocks
Loop A drive current
3A RMS compliance current at 1 Khz sine wave
Loop A drive voltage
7V RMS compliance voltage
Loop B connection
2 x 2 way Phoenix screw terminal blocks
Loop B drive current
3A RMS compliance current at 1 Khz sine wave
Loop B drive voltage
7V RMS compliance voltage
Status
External LEDs or relays
2 x constant current drive @ 20mA, 22V max
Feature
External monitor & control
Contacta communications processor interface
Audio
Frequency response
100 Hz – 5kHz (±3dB)
Distortion
Better than -40dB, inputs at nominal level
Automatic gain control
Analog
Dynamic range: 40dB typical Attack time: 10 milliseconds Release time: 500mS
Controls
Function switching
All functions selectable via 2 sets of DIP switches; one set to select options on input and one set to select options on output
Displays
Output A & B
8 level bar graph with peak hold
Other indications
LEDs for independent status indications per output
Dimensions
Height – 99mm (3.9”) Width – 200mm (7.8”) Depth – 40mm (1.6”)
Weight
1.5kg (3.3lbs)
(boxed with power supply)
Construction/ Finish
Aluminium Powder Coated