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Redback® A 4205 Kiosk Loop Amplifier
Operating Manual
A 4205 3VA Hearing Induction Loop Amplifier
Redback® Proudly Made In Australia
Distributed by Altronic Distributors Pty. Ltd.
Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au
IMPORTANT NOTE:
Please read these instructions carefully from front to back prior to installation.
They include important setup instructions.
Failure to follow these instructions may prevent the amplifier from working as designed.
User manual revision number: 1.0 24/02/2020
www.redbackaudio.com.au
Redback® Proudly Made In Australia
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Summary of Contents for Redback A 4205
- Page 1 Redback® A 4205 Kiosk Loop Amplifier Operating Manual A 4205 3VA Hearing Induction Loop Amplifier Redback® Proudly Made In Australia Distributed by Altronic Distributors Pty. Ltd. Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au IMPORTANT NOTE: Please read these instructions carefully from front to back prior to installation.
- Page 2 1m2. The A 4205 3VA model delivers 0.3A RMS, 0.35 Amps peak into a typical Loop Resistance of 0.2Ω to 1.7Ω (max 2Ω). Inputs are provided for 3 pin XLR balanced mic with phantom power and a dual auxiliary input. The unit is powered from 12V DC (plugpack supplied).
- Page 3 The hearing loop, as its name suggests, is basically a loop of wire which surrounds a designated area to transmit audio to a hearing aid. The recommended length of the loop for use with the A 4205 loop amplifier is around 3.5 metres in length with a resistance of between 0.2Ω...
- Page 4 5.0 TYPICAL INSTALL The A 4205 loop amplifier is designed to work with small installs where the coverage required is around 1m2. It is ideal for ticket booths, reception desks, information booths etc. The loop can be installed in a vertical axis such as illustrated in figure 4 where the loop is attached to the back of the interview screen.
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