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ALLEN & HEATH GX4816 User Manual

ALLEN & HEATH GX4816
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GX4816 Getting Started Guide
5
AP11651 Issue 1
1. Installing the Expander
1.1 Free standing
The Expander can be operated as a freestanding unit for shelf or floor use.
Ensure adequate air flow around the unit. It must not be covered in any way. Always
stand the unit on a firm flat surface away from any soft furnishings or carpet.
1.2 Rack mounting and flight casing
The GX4816 is designed as a 19 inch rack mount unit and occupies 5U of rack space. The plastic feet may
need to be removed before rack mounting; retain them for future use.
For rental, touring and other portable use, we recommend that you use a professional grade flight case.
Ensure natural convection of airflow around the unit by allowing good ventilation
below, in front of and behind the unit. Rack equipment known to produce a
significant amount of heat should not be mounted directly below the unit. Forced
convection by means of a rack mounted fan-tray may be desirable in situations
where space is restricted and the ambient air temperature is high.
1.3 Rack ears
The rack ears can be detached for shelf or floor operation. They are secured to the sides of the Expander
with 3 screws each as indicated below. Use a Pozidriv screwdriver to remove the rack ears. Fix in place
using the M6*12 countersink pozi screws provided, with a torque setting of 6N-m.

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ALLEN & HEATH GX4816 Specifications

Power IconPower
mains voltage operating range100-240V AC, 50/60Hz
power consumption80W max
Operating Environment IconOperating Environment
operating temperature range0°C to 40°C (32°F to 104°F)
Inputs and Outputs IconInputs and Outputs
mic/line XLR inputsBalanced XLR, +48V phantom power
analogue XLR outputsBalanced, Relay protected
output impedance<75Ω
input sensitivity-60 to +15dBu
nominal output+4dBu = 0dB meter reading
analogue gain+5 to +60dB, 1dB steps
maximum output level+21dBu
pad-20dB Active PAD
residual output noise-95dBu (muted, 22Hz-22kHz)
maximum input level+30dBu (PAD in)
input impedance>4kΩ (Pad out), >10kΩ (Pad in)
mic EIN-127dB with 150Ω source
Weight and Dimensions IconWeight and Dimensions
dimensions481.6 x 255 x 229.5 mm
weight8 kg
boxed dimensions560 x 385 x 310 mm
boxed weight10 kg

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