This unique Redback PA mixer features six input channels which are user selectable for either balanced mic or line as well as two dedicated line level RCA inputs and a 3.5mm audio jack for portable devices. The unit has six levels of VOX priority on inputs 1- 6 with adjustable VOX sensitivities on each input, and a 24V DC output (limited to 120mA current draw) which becomes live when any triggers are activated or VOX/PTT circuitry becomes active. This model includes a set of Mute contacts which can be connected to the buildings Fire Indicator Board (FIB). When the FIB operates it triggers these contacts, rendering the local PA/BGM system inoperative so the main emergency evacuation system has precedence.
The mixer incorporates an MP3 based message player for playback of Alert/Lockdown, Evacuation/Fire or Chime tones.
The emergency tones once activated, will mute inputs 2 - 8, regardless of their priority settings. Input 1 will override the emergency tones so that it can then be used for emergency paging. With the addition of an A 4660A paging console, paging and activation of the emergency tones can be achieved via the console. Input 1 will still override the emergency tones, but emergency paging from the A 4660A will override input 1.
Features:
- Eight input channels
- Micro SD card message player for audio announcements
- Individual level, bass and treble control on all inputs
- Six levels of VOX priority
- Adjustable VOX sensitivity
- Alert and Evacuation override mode
- 3.5mm music input
- Adjustable input sensitivity on line inputs
- 24V DC battery back up terminals
- In built Alert/Evac/Chime functionality
- Mute Function
- 24V DC output
- MP3 active indicator
- LED VU meter
- 10 Year Warranty
- Australian Designed and Manufactured
Specifications
Audio
Output Level: 0dBm
Distortion: 0.01%
Frequency Response: 20Hz - 20kHz
Sensitivity: Mic inputs: 3mV balanced, Line inputs: 100mV-1V
Output Connectors
Line out: 3 pin XLR balanced
Switched out: Screw terminals
Input Connectors
Inputs: 3 pin XLR balanced or 2 x RCA, 3.5mm stereo jack front panel
24V DC power: Screw terminals
24V DC Power: 2.1mm DC Jack
Remote triggers: Screw Terminals
Controls
Power: Standby Switch
Bass: ±10dB @ 100Hz
Treble: ±10dB @ 10kHz
Master: Volume
Inputs 1-8: Volume
Indicators
Power on, MP3 error, MP3 active, Signal Present, VU Meter
Current
A 4427B Idle current draw: 170mA
A 4427B current draw (with A 4660A connected): 280mA
General
Power Supply: 24V DC
Dimensions: 482W x 175D x 44H
Weight: 2.1kg
Colour: Black
Data transmission to paging console
Data transmission: RS485 proprietary
Cabling requirements: Cat5e UTP minimum
Cabling length (without A 4658 booster): 200m max
Backed by an industry leading 10 Year Manufacturer Warranty.
Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.
100% developed, designed & assembled in Australia.
Since 1974 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 50 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.