www.altronics.com.au
Redback® Proudly Made In Australia
4
Overview
1.0 OVERVIEW
1.1 INTRODUCTION
The REDBACK range of mixer amplifiers are engineered to a very high standard and are packed with a host of features to
satisfy a large range of installations.
1.2 FEATURES
• Very low noise and distortion
• Thermal overload protection
• Thermally cued forced fan cooling
• Protect Mode
• 4 levels of priority/Vox muting
• LCD display of amplifier status
• Minimum and Maximum Master Volume Over-ride
• Minimum and Maximum Remote Volume Over-ride
• USB keyboard interface for labelling of inputs and installer contact details.
• 6 inputs configurable as balanced microphone or line
• Music Input on front panel
• Adjustable line level sensitivity
• 70V, 100V and 4-16ohm outputs
• 240V AC or 24V DC operation
• 300mA Backup Battery charging
• Phantom power (on microphone inputs)
• Tape out (Dual RCA)
• Pre-amp send and return connections (RCA)
• Balanced line output (3 pin male XLR)
• Remote Volume option
• 24V switched output via PTT microphone (not supplied)
• 19” Rack Mount (2 unit).
• Optional Alert/Evac tones with voice-over message (via A 4573 module)
• Optional MP3 input with remote control (via A 2711 module)
1.3 WHAT’S IN THE BOX
A 4275/85 Mixer Amplifier
240V AC IEC C13 Appliance Mains Lead 10A 3 Pin Black
Instruction Booklet
