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GLD-AR2412
Main AudioRack
The GLD-AR2412 is the main audio interface rack for the Allen & Heath GLD digital mixing system.
It provides 24 remote controlled mic/line preamps and 12 XLR line outputs. It connects to the GLD-
80 mixer over a single Cat5 cable using the Allen & Heath dSNAKE protocol. A GLD-AR84
AudioRack can be connected to the AR2412 to expand the number of inputs to 32 and number of outputs to 16.
The AR2412 is simply an audio interface. It cannot be used by itself. It must connect to the GLD-
80 mixer which is where the audio is processed. The diagram below shows the fully expanded
GLD system.
The AR2412 is not compatible with Allen & Heath iLive Series components or ACE connection.
Refer to the GLD-80 User Guide AP8561 for instructions on connecting and using the AR2412 with the GLD system. Refer to the Allen & Heath web site for more information on GLD and suitable
Cat5 cable.
GLD-AR84 AudioRack In 25-32 Out 13-16
EXPANDER
GLD-AR2412 AudioRack In 1-24 Out 1-12
EXPANDER
MONITOR
Recommended Cat5 cable part AH8721
120m (396’) Klotz
RAMCAT5-flex with
EtherCon connectors dSNAKE
Cat5 up to 120m (396')
Digital snake to/from stage
M sends 1-16
Personal monitoring system
Aviom compatible
GLD-AR84 AudioRack In 33-40 Out 17-20
EXPANDER Cat5 up to 120m (396')
In 41-48 Out 21-30 GLD-80 Mixer
Allen & Heath GLD-AR2412 Publication AP8596 issue 1
GLD-AR2412 Panel Layout
Input sockets 24 balanced XLR inputs for microphone and line level sources. The preamps are built into the AR2412 rack and their Gain,
Pad and 48V phantom power is remote controlled from the GLD console via the dSNAKE link. The output of the analogue preamps are converted to digital format and transported via dSNAKE to be processed and mixed at the GLD-80 mixer.
The sockets are numbered 1-24. Any input can be patched to any channel at the console. The default is one-to-one mapping of the input sockets 1-24 to channels 1-24.
Output sockets 12 balanced XLR outputs operating at nominal +4dBu line level. Any GLD signal can be patched to any socket using the console I/O screen. The default Template Shows you started.
EXPANDER port Cat5 cable link to connect a GLD-AR84 expander rack to add a further 8 mic/line inputs and 4 XLR line outputs.
The GLD system numbers these sockets as
Inputs 25-32 and Outputs 13-16.
MONITOR port Cat5 cable link to connect to a personal monitor system. The port is compatible with the Aviom
TM
A-16 system.
dSNAKE port Cat5 cable link to connect the AR2412 rack to the GLD-80 mixer. This carries the 32 inputs, 16 outputs and the monitor port sends audio to and from the rack as well as control for the preamps and system status.
Maximum Cat5 cable length is 120m (396’) depending on cable type.
Note that dSNAKE is not compatible with the iLive ACE connection.
Fan A low noise fan ensures air movement through the rack to keep the circuits within operating temperature range.
Ensure good ventilation at the back of the rack. Read the safety instructions printed on the panel and the Safety Sheet packed with the unit.
Mains power input IEC connector, fuse and power ON/OFF push switch for the built-in universal voltage power supply unit. This accepts worldwide voltages from 100 to 240V AC
50/60Hz. Check that you have received the correct mains lead for your territory.
Use a T20 Torx screwdriver to refit the screw.
Publication AP8596 issue 1 Copyright © 2012 Allen & Heath. All rights reserved
Allen & Heath Limited, Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK
GLD-AR2412 http://www.allen-heath.com
AP8596 iss.A
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