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4.0 REAR PANEL CONNECTIONS
Fig 2 shows the layout of the A 4424 rear panel.
24V
24V
DC In
DC In
Made in Australia by
1
Altronic Distributors
3
www.redbackaudio.com.au
+ _
-
+
Balanced Out 2
6 5
1
Microphone Inputs 1 - 6
There are six microphone inputs which all incorporate a
available at each Mic input.
2
RCA Inputs 1 - 6
The line inputs are dual RCA connectors which are internally mixed to produce a mono input signal. The input
sensitivity of these inputs can be adjusted to 100mV or 1V via the DIP switches DIP1 - DIP6 (refer to DIP switch
settings).
3
Dip Switches DIP1 - DIP6
These switches enable various options for the inputs including input sensitivity, mic or line operation or phantom
power activation on the XLR mic inputs. Refer to DIP switch settings.
4
Outputs
XLR balanced outputs (600Ω) and line level RCA connectors are provided for outputs 1 and 2. Connect these to
the zone amplifiers or mixers.
5
24V DC Input (Backup)
Connects to a 24V DC backup supply with at least 1 amp current capacity. (Please observe the polarity)
6
24V DC input
Connects to a 24V DC Plugpack with 2.1mm Jack (supplied).
5.0 DIP SWITCH SETTINGS
The A 4424 has 6 sets of DIP switches. These switches set the inputs as either Mic or Line, sets the Line Input level sensitiv-
ities, and enables phantom power to the XLR mic inputs.
(Note: DIP switches are on in the UP position)
DIP 1
Switch 1 - Input 1 Select: OFF - Mic, ON - Line
Switch 2 - Sets Line 1 input sensitivity to either ON - 1V or OFF - 100mV.
Switch 3 - Not Used.
Switch 4 - ON - Enables Phantom power to the Mic1 input.
DIP 2
Switch 1 - Input 2 Select: OFF - Mic, ON - Line
Switch 2 - Sets Line 2 input sensitivity to either ON - 1V or OFF - 100mV.
Switch 3 - Not Used.
Switch 4 - ON - Enables Phantom power to the Mic2 input.
DIP 3
Switch 1 - Input 3 Select: OFF - Mic, ON - Line
Switch 2 - Sets Line 3 input sensitivity to either ON - 1V or OFF - 100mV.
Switch 3 - Not Used.
Switch 4 - ON - Enables Phantom power to the Mic3 input.
www.redbackaudio.com.au
Redback® A 4424 6 Input, 2 Output Mixer
Mic 6
L
L
2
1
2
2
3
3
R
R
Line Out 2
Line Out 1
Balanced Out 1
4
2
Line 6
Line 5
Mic 5
Mic 4
L
L
1
2
1
2
1
3
3
R
R
DIP 6
DIP 5
Fig 2
3 pin balanced XLR
1
Line 4
Line 3
Mic 3
Mic 2
Line 2
L
L
L
2
1
2
1
3
3
R
R
R
DIP 4
DIP 3
DIP 2
3
. Phantom power (12V DC) is
Redback® Proudly Made In Australia
Line 1
Mic 1
L
2
1
3
R
DIP 1
3
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