Allen & Heath AR2412 AudioRack audio expander 24×12 I/O for SQ, AHM, Avantis and Qu mixers
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The Allen & Heath AR2412 AudioRack audio expander 24×12 I/O for SQ, AHM, Avantis and Qu mixers is a portable remote audio rack for a digital mixing system.
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The Allen & Heath AR2412 AudioRack audio expander 24×12 I/O for SQ, AHM, Avantis and Qu mixers is a portable remote audio rack for a digital mixing system. The remote audio rack provides 24 XLR inputs and 12 XLR outputs and must be plugged in to add additional inputs and outputs. The XLR sockets are of the same or higher quality and specification as the digital mixing system and are present in the soft patch of the digital mixing system for assignment to channels. The audio connection must be via Cat5 cable using Allen & Heath’s dSNAKE Ethernet protocol, which allows the remote audio rack to be located up to 100 m from the mixer or extended audio rack. The Ethernet protocol provides control to the remote preamplifier, and all microphone preamplifiers are callable from the digital mixing system. The unit’s firmware automatically updates when it is connected to the digital mixing system. The local Ethernet port is an RJ4 socket with EtherCon locking ring. Another remote audio rack can be connected to the main AudioRack unit to add another 8 XLR inputs and 4 XLR outputs from that location. This connection must be made via an ‘Expander’ connection and is an RJ45 socket with EtherCon locking ring. A port is provided to supply 40 channels of audio signals to the Allen&Heath ME personal monitoring solution hardware. This connection is called ‘Monitor’ and is an RJ45 socket with EtherCon locking ring. It is also compatible with the Aviom Pro16 monitoring system.
Flexible connections
Allen & Heath’s audio expanders offer flexible inputs and outputs for advanced configurations. They can include XLR, TRS and Dante ports for digital audio networks. These devices expand the capacity of mixers, providing a greater variety of audio sources and destinations. AES3 and S/PDIF connections are often present to ensure superior audio quality in professional settings.
Audio transmission via Dante or S-Link
Allen & Heath’s audio expanders offer a wide range of inputs and outputs, with configurations such as 16 or 32 XLR inputs and 8 or 16 XLR outputs in modules such as the DX168 or GX4816. Connections include Ethernet ports, for audio transmission via Dante or S-Link, and AES outputs for high-quality digital audio transmission.
Advanced compatibility and integration with audio network systems and mixers
Allen & Heath’s audio expanders offer great compatibility with Dante, AES67, S-Link, and MADI protocols. They allow integration with audio network systems and mixers such as dLive, Avantis, and SQ. They support connection via Cat5e or fibre optic to expand inputs and outputs. This flexibility makes them ideal for complex live and broadcast installation applications.
Technical specifications
| Dimensions | 43,3 x 21,9 x 20,6 cm |
| I/O | 24 x Inputs XLR 12 x Outputs XLR |
| Input | XLR Mic/Line: Balanced Sensitivity: -60 to +15dBu Analogue Gain: +5 - +60dB, 1dB steps Pad: -20dB Maximum level : +32dBu Impedance: >4kΩ (Pad out), >10kΩ (Pad in) |
| XLR Output | Balanced, Relay protected Nominal: +4dBu Maximum level : +22dBu Impedance: <75Ω Residual noise : -91dBu (mute, 20-20kHz) |
| Mic/Line Channel noise | 20-20kHz, Direct Out @ unbalanced out Mic EIN: -127dB with 150Ω source Unity gain (Pad in): -90dBu Low gain (5dB, Pad out): -93dBu Mid gain (30dB, Pad out): -89dBu |
| Mic/Line Channel THD+N | 20-20kHz, Direct Out @ unbalanced out Unity gain (Pad in): 0.005% -86dBu @ 1kHz, 0dBu output Low gain (5dB, Pad out): 0.003% -89dBu @ 1kHz, 0dBu output Mid gain (30dB, Pad out): 0.004% -88dBu @ 1kHz, 0dBu output |
| Power supply | 100-240V, 50/60 Hz, 70W max |
| Operating temperature | 0°C - 35°C |
| Connections | Compatible with SQ, Qu, Avantis, AHM-64, GLD dSNAKE and dSNAKE Expander connection with blocking Ethercon port Monitor compatible with Allen&Heath ME and Aviom Pro 16 Connection with blocked Ethercon port |
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