ALLEN HEATH AR84 AudioRack
Overview
· Compatible with SQ, Qu, Avantis, AHM-64, GLD· 8 Mic Preamps on XLR· 4 XLR Line Outs· dSNAKE Connection with locking Ethercon port
Dimensions
A&E Specifications
The unit shall be a portable remote audio rack for a digital mixing system. The remote audio rack shall provide 8 XLR inputs and 4 XLR outputs and shall be connected to add further inputs and outputs. The XLR sockets shall be the same or higher quality and specification as those located on the digital mixing system and shall appear in the digital mixing system soft patch for assignment to channels.The audio connection shall be over Cat5 cable using Allen & Heath’s dSNAKE Ethernet protocol, allowing the remote audio rack to be positioned up to 100m from the mixer or expanded audio rack. The Ethernet protocol shall provide control to the remote preamp, and all mic preamps are scene recallable by the digital mixing system. Unit firmware shall automatically be updated when connected to the digital mixing system. The local Ethernet port shall be an RJ45 socket with an EtherCon locking ring.It shall also be possible to connect the remote audio rack to the main AudioRack unit to add a further 8 XLR inputs and 4 XLR outputs from that location. This connection shall be via an ‘Expander’ connection and shall also be an RJ45 socket with an EtherCon locking ring.The remote audio rack shall be compatible with Allen&Heath digital mixers.The unit shall be robust steel, 19” rack-mountable chassis 1U in height. It shall have a built-in power supply accepting AC mains voltages of 100~240V, 50/60 Hz, 20W max via an earthed 3-pin IEC male connector mounted on the rear chassis. A switch shall be provided near the mains inlet to isolate the mixer from the incoming mains supply.Recommended operating temperature for the remote audio rack shall be 5 to 35 degrees Celsius.The unit shall be the Allen&Heath AR84 Expander AudioRack
System Specification
InputsXLR Mic/Line Inputs— BalancedMic/Line Preamp— Fully recallableInput Sensitivity— -60 to +15dBuAnalogue Gain— +5 to +60dB, 1dB stepsPad— -20dBMaximum Input Level— +32dBuInput Impedance— >4kΩ (Pad out), >10kΩ (Pad in)
Mic/Line Channel noise— 20-20kHz, Direct Out @ unbalanced outMic EIN— -127dB with 150Ω sourceUnity gain (Pad in)— -90dBuLow gain (5dB, Pad out)— -93dBuMid gain (30dB, Pad out)— -89dBu
Mic/Line Channel THD+N —20-20kHz, Direct Out @ unbalanced outUnity gain (Pad in) —0.005% -86dBu @ 1kHz, 0dBu outputLow gain (5dB, Pad out) —0.003% -89dBu @ 1kHz, 0dBu outputMid gain (30dB, Pad out) —0.004% -88dBu @ 1kHz, 0dBu output
OutputsXLR Outputs— Balanced, Relay protectedOutput Impedance —<75ΩNominal Output— +4dBu = 0dB meter readingMaximum Output Level — +22dBuResidual Output Noise —-91dBu (muted, 20-20kHz)
Operating Temperature— 0 deg C to 35 deg C (32 deg F to 95 deg F)
Mains Power— 100-240V, 50/60 Hz, 20W max
References
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