Contacta V22 Induction loop driver

General Description

The Contacta V22 is a class D induction loop amplifier that is ideal for medium to large size rooms. The amplifier features digital signal processing, continuous self-testing, integrated protection circuit, and backlit LCD displaying a simple user interface.

Features

DSP controlled automatic gain control and high frequency compensation for metal loss
Class-D amplifier output stage capable of delivering 12ARMS @ >22VRMS
Ultra-efficient power utilisation (up to 90% efficient)
True constant current output stage
Simple user interface
Backlit LCD display
Sleep mode
Continuous self-testing
Integrated protection circuits with temperature, voltage, short circuit, and DC detection

Delivery Includes

1 V22 Hearing loop driver

Technical Data

Dimensions: H 44.2 x D 165.4 x W 432.9mm
Weight 3.2kg
Construction: Mild Steel
Finish Black: Powder Coated
Power (IEC Connection): Voltage: 100V-120V /200V-240V AC (Universal auto switching)
Power: 175W
Frequency: 50Hz-60Hz
Inputs: Input A / Isolated: Line: 3.5mm Euro-block [optimised for -10dBV to 0dBv], 100V: 100V Line Input (Transformer isolated) 3.5mm Euroblock, MP3: 3.5mm Euroblock [Transformer Isolated, optimised for
-10dBV to 0dBv], Input B: Universal: Input B Line/Mic. (12V phantom power via 680Ω)
[optimised for levels > -45dBv to -10dBv] 3.5mm Euroblock
Loop Outputs: Outputs Voltage: 1 x 22Vrms (62.04Vpk-pk) @ 12Arms (33.84Apk-pk)*, Output Current: 1 x 12Arms (33.84Apk-pk) up to 300 seconds, Loop Connector: 1 x 4 Way 5.08mm Euro-block
Line Output: 1 x 3.5mm Euroblock
Audio System: Frequency Response: 80Hz to 6.5kHz, Distortion: THD+N <1% (-40dB), Automatic Gain Control: Switchable (Peak detecting), High Frequency Compensation: 7 DSP controlled, optimised stages, Acoustic Time Delay: 10ms to 70ms adjustable in 1ms steps Display: LED Backlit LCD display
Control: Single Rotary Push Control
Front Panel LED: Output voltage clipping
Fault Monitoring and Protection: Temperature, fan speed, PSU fault, loop open, loop impedance error