Redback A 4435 Operating Manual Download Page 11

www.altronics.com.au

Redback® Proudly Made In Australia 11

Redback® A 4435

 Mixer 4 Input & Message Player

5.0 SPECIFICATIONS 

OUTPUT LEVEL:

..........................................0dBm

DISTORTION:

............................................0.01%

FREQ. RESPONSE:

........................140Hz - 20kHz

SENSITIVITY 

Mic inputs: .....................................3mV balanced 
Line inputs:...........................................100mV-1V 

OUTPUT CONNECTORS

Line out: ................3 pin XLR balanced or 2 x RCA 
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

* Specifications subject to change without notice

CONTROLS:

Power:..........................................Standby Switch
Bass:...........................................±10dB @ 100Hz 
Treble:.........................................±10dB @ 10kHz
Master: ....................................................Volume
Inputs 1-4: ...............................................Volume
MP3: ........................................................Volume

INDICATORS:

....................Power on, MP3 error,   

   ...................Message 

active

POWER SUPPLY:

..................................... 24V DC

DIMENSIONS:

≈................... 482W x 175D x 44H

WEIGHT: 

≈............................................... 2.1 kg

COLOUR:

 ..................................................Black

4.0 FIRMWARE UPDATE

It is possible to update the firmware for this unit by downloading updated versions from www.altronics.com.au or
redbackaudio.com.au.
To perform an update, follow these steps.

1) Download the Zip file from the website.
2) Remove the SD card from the A 4435 and insert it into your PC. (Follow the steps on page 8 to open the SD card).
3) Extract the contents of the Zip file to the root folder of the SD Card.
4) Rename the extracted .BIN file to update.BIN.
5) Remove the SD card from the PC following windows safe card removal procedures.
6) With the power turned OFF, insert the SD card back into the A 4435.
7) Turn the A 4435 ON. The unit will check the SD card and if an update is required the A 4435 will perform the update  
automatically.

Summary of Contents for A 4435

Page 1: ...instructions carefully from front to back prior to installation They include important setup instructions Failure to follow these instructions may prevent the unit from working as designed Redback Pro...

Page 2: ...e starting manu facturing of commercial audio equipment in the mid 70 s we have always taken pride in producing a quality local product The new adoption of the Australian Made logo will help us get th...

Page 3: ...0 Overview Page 1 1 Introduction 4 1 2 Features 4 1 3 What s in the box 4 1 4 Front panel guide 5 1 5 Rear panel connections 6 2 0 Setup 2 1 MP3 File Setup 7 2 2 Power Connections 9 2 3 Audio Connect...

Page 4: ...active when a message contact is closed the message is queued and played once input one is no longer in use Messages are played on a first in best dressed FIBD basis and will also be queued if one me...

Page 5: ...s is used to store the MP3 audio files for the message audio playback Note the unit is supplied with a tamper cover so that the SD card is not easily removed The SD card may need to be pushed in with...

Page 6: ...riggers These contacts are for remote triggering of the internal MP3 player There are four contacts which correspond to the four MP3 files stored in the trigger folders of the SD card 7 DIP 5 These sw...

Page 7: ...If a SD slot is not available then the Altronics D 0371A USB Memory Card Reader or similar would be suitable not supplied You will first need to remove power from the A 4435 and then remove the SD ca...

Page 8: ...MP3 file cannot be Read only To check this right click on the MP3 file and scroll down and select Prop erties you will get a window that looks like figure 2 3 Make sure the Read Only box has no tick...

Page 9: ...nt section The output of the mixer is connected to a recorder which keeps a record of everything output from the system including anything said into the microphone Fig 2 5 www redbackaudio com au Made...

Page 10: ...ut 3 DIP 4 Switch 1 Input 4 Select OFF Mic ON Line Music input Must be set to ON for Music Input to operate Switch 2 Sets Input 4 sensitivity to either ON 1V or OFF 100mV This affects both the Balance...

Page 11: ...TORS Power on MP3 error Message active POWER SUPPLY 24V DC DIMENSIONS 482W x 175D x 44H WEIGHT 2 1 kg COLOUR Black 4 0 FIRMWARE UPDATE It is possible to update the firmware for this unit by downloadin...

Page 12: ...on Fri 8 30am 5 30pm Sat 9 00am 4 00pm Melbourne Vic 891 Princes Hwy SPRINGVALE VIC 3171 Open Mon Fri 8 30am 5 30pm Sat 9 00am 5 00pm Sun 10 00am 4 00pm Perth WA 174 Roe St PERTH WA 6000 Open Mon Wed...

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