Contacta V7+ Induction loop driver

General Description

The Contacta V7+ is a constant current, perimeter hearing loop driver, suitable for smaller facilities and venues. It has a Class-D amplifier output stage and an audio subsystem built around an advanced DSP core. Combined with a powerful CPU to ensure consistent performance.

Features

Class-D amplifier output stage capable of delivering5ARMS @ >7VRMS
Ultra-efficient power utilisation
Sleep mode
Drives >200m² perimeter loop*
Integrated protection circuits with temperature, voltage, short circuit and DC detection
True constant current output stage
Easy setup due to simple menu and basic controls
Password protection to avoid tampering

Delivery Includes

1 Contacta V7+ Professional induction loop driver

Technical Data

Dimensions
Height – 42mm (1.65”)
Width – 198mm (7.80”)
Depth – 132mm (5.20”) [150mm (5.90”)
including XLR and control knob]
Weight
<1kg (2.20lbs)
Construction
Mild Steel
Finish
Black Powder Coated
Power
30W 14Vdc 2.14A via External PSU (PS-55)
Class 6 External PSU (100V -240V AC 50Hz-60Hz)
Inputs
1 X Line XLR or 3.81mm Euro-block [optimised for -10dBV to 0dBv]
1 X Microphone (12V phantom power via 680Ω) [optimised for levels above -45dBv]
Loop Output
Characteristics
Output Voltage
7.5Vrms (21.21Vpk-pk) @ 5Arms (14.14Apk-pk)*
Output Current
5Arms (14.14Apk-pk) up to 300 seconds
Loop Connector
5.08mm Euro-block
Audio System
Frequency Response
80Hz to 6.5kHz
Distortion
THD+N <1% (-40dB) Full current both outputs driven
AGC
Peak detecting
HF Comp
7 optimised stages
Display & Control
Display
LED Backlit LCD display
Control
Single rotary control
Fault Monitoring and
Protection
Main Display
Open circuit loop (DCR measurement)
Loop ground fault
Front Panel LED
Output voltage clipping
Cooling
Internal heatsinks with thermal protection
Note 1: Z=1.4Ω (133uH +0.685Ω @ 1.6kHz) Note 2: < 1% (-40dB) distortion)