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Allen & Heath GLD-80 Compact Digital Mixing Surface

BH #ALGLD80 • MFR #AH-GLD-80
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Allen & Heath GLD-80 Compact Digital Mixing Surface
Key Features
  • Scalable I/O via Remote Module Options
  • Build Systems from 4 to 44 Mic Inputs
  • GLD Remote App for iPad Wireless Mixing
  • 4x Local XLR Mic/Line Inputs
The Allen & Heath GLD-80 is a compact digital mixing surface that is designed to integrate into a GLD digital mixing system, which provides scalable I/O, integrated FX processing, advanced routing, wireless remote mixing via iPad, and much more. Featuring local I/O comprised of 4 XLR mic/line inputs, 4 XLR line outs, 4 RCA inputs, 2 RCA outputs, and digital outputs in SPDIF and AES3 formats, the GLD-80 is designed to connect to a range of optional remote I/O racks via Cat5, allowing you to build 28, 36 or 44 mic input systems.
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Allen & Heath GLD-80 Overview

The Allen & Heath GLD-80 is a compact digital mixing surface that is designed to integrate into a GLD digital mixing system, which provides scalable I/O, integrated FX processing, advanced routing, wireless remote mixing via iPad, and much more. Featuring local I/O comprised of 4 XLR mic/line inputs, 4 XLR line outs, 4 RCA inputs, 2 RCA outputs, and digital outputs in SPDIF and AES3 formats, the GLD-80 is designed to connect to a range of optional remote I/O racks via Cat5, allowing you to build 28, 36 or 44 mic input systems.

The GLD-80 mixer provides 48 input processing channels, 8 stereo FX engines, 30 configurable buses, 20 mix processing channels, and enough DSP power to provide processing without compromise. It has an analog-style channel processing control section, complemented by a graphical 8.4" touchscreen. A fully customizable drag 'n drop layout allows quick and easy assignment of inputs and mixes to fader strips. There are 20 fader strips in 4 layers, each with motorized faders, a channel LCD display which can be named and color coded, plus a rotary control for direct access to gain, pan, and aux/FX sends.

Remote I/O Module Options
The GLD-80 connects to a range of plug 'n play I/O racks to 'build' 28, 36 or 44 mic input systems. A primary AR2412 rack (24 XLR inputs, 12 XLR outs) and up to two AR84 expander racks (8 XLR inputs, 4 XLR outs each) can be connected over 120m Cat5 runs using A&H's dSNAKE protocol. Or, the AB168 portable AudioRack can be used, providing 16 XLR inputs and 8 XLR outputs when connected to the GLD-80, or the AR2412 AudioRack. dSNAKE provides control to the remote preamp, and all mic preamps are scene recallable. AR2412 also includes a connection for personal monitoring systems
Flexible Record and Playback Options
GLD-80 has the ability to record and playback a stereo signal on a USB memory stick. Standard iLive audio I/O option cards for Dante, MADI, EtherSound and Allen & Heath's ACE protocols can be fitted, allowing multi-channel record/playback, FOH/monitor splits, and connection to A&H iLive systems, which can easily be configured using the GLD system's extensive soft-patching
8 Stereo RackExtra FX Engines
The GLD-80 boasts 8 stereo RackExtra FX engines with dedicated channels to handle them all without compromise. These feature top-quality emulations and developments of popular industry classics. The engines provide very low latency and instant access to all 8 effects at all times. No need for licenses or complex configuration. Any combination of up to 8 FX devices can be loaded. A back panel allows patching as mix send/returns or as inserts into specific channels. A front-panel view presents a familiar classic knob layout where the user can adjust the many parameters, select from numerous presets and create new ones, and transfer them between systems using a USB key. FX can be returned via input channels or dedicated short returns with 4-band PEQ
Features at a Glance
  • Compact digital mixer with scalable, remote I/O
  • Systems from 4 to 44 mics
  • Remote wireless iPad mixing via free GLD Remote app
  • Easy to use, quick to access, analog-style interface
  • dSNAKE Cat5 digital snake—up to 120m cable length
  • 8.4 inch color touchscreen for graphical view and setup
  • 20 faders, 4 layers, 80 channel strips in a freely customizable layout
  • 48 input channels into 30 assignable buses (Aux, Group, Matrix, Main, FX Send) into 20 mix outputs
  • 8 stereo RackFX engines with dedicated ‘short’ returns with 4-band PEQ
  • Full processing on all inputs including trim, polarity, HPF, insert, gate, 4-band PEQ, compressor and delay
  • Full processing on all outputs including insert, PEQ, GEQ, compressor and delay
  • LR, None (monitors), LR+M (sum), LR+M (bus), LCR main mix modes
  • 16 DCAs / mute groups
  • Built-in Talkback, RTA and Signal Generator
  • I/O module options for FOH/Monitor split, multitrack recording, link to iLive and more
  • MIDI In/Out and Ethernet Network port
  • Aviom Pro16 compatible Monitor port on main AudioRack
  • High end 1 dB step recallable mic/line preamps
  • User definable channel names and colors
  • Engineer’s mono Wedge and stereo IEM strips
  • Input, output and insert soft patchbays
  • Quick copy, paste and reset of mixes and parameters
  • Libraries, Scenes and Show memories with USB transfer
  • Get your mix started quickly with Template Shows
  • 10 assignable SoftKeys for scene recall, DCA mutes and more

Allen & Heath GLD-80 Specs

Inputs
Mic/Line Inputs
Balanced, (All XLR)
Mic/Line Preamp: Fully recallable
Input Sensitivity: ‐60 to +15 dBu
Analog Gain: +5 to +60 dB, 1 dB steps
Pad: ‐20 dB
Maximum Input Level: +32 dBu
Input Impedance: >4 kOhms (pad out), >10 kOhms (pad in)
Mic/Line Channel Noise
20 Hz - 20 kHz, Direct Out @ unbalanced out
Mic EIN: ‐127 dB with 150 ohm source
Unity Gain (Pad In): ‐90 dBu
Low Gain (5 dB, Pad Out): ‐93 dBu
Mid Gain (30 dB, Pad Out): ‐89 dBu
Mic/Line Channel THD+N
20 Hz - 20 kHz, Direct Out @ unbalanced out,
Unity Gain (Pad In): 0.005% ‐86 dBu @ 1 kHz, 0 dBu output
Low Gain (5 dB, Pad Out): 0.003% ‐89 dBu @ 1 kHz, 0 dBu output
Mid Gain (30 dB, Pad Out): 0.004% ‐88 dBu @ 1 kHz, 0 dBu output
RCA
RCA Line Inputs: Unbalanced
Input Sensitivity: ‐24 to +24 dBu, nominal 0 dBu
Trim: +/‐24 dB, recallable
Maximum Input Level: +18 dBu
Input Impedance: >10 kOhms
RCA Channel Noise: ‐92 dBu 20 Hz - 20 kHz
RCA Channel THD+N: 0.0035% ‐90 dBu @ 1 kHz, 0 dBu output
Outputs
Audio Out (XLR)
Balanced, Relay protected
Output Impedance: <75 ohms
Nominal Output: +4 dBu = 0 dB meter reading
Maximum Output Level: +22 dBu
Residual Output Noise: ‐91 dBu (muted, 20 Hz - 20 kHz)
Audio Outputs (RCA)
RCA Line Outputs Balanced, Relay protected
Output Impedance: <75 ohms
Nominal Output: 0 dBu = 0 dB meter reading
Maximum Output Level: +18 dBu
Residual Output Noise: ‐94 dBu (muted, 20 Hz - 20 kHz)
Digital Outputs
48 kHz sampling rate
SPDIF: RCA, 600 mV, coax terminated input 75 ohms
AES3 2 Ch XLR Output: XLR, 2.5 Vpp balanced terminated 110 ohms
System
Measurement Conditions
Measured balanced XLR in to XLR out, 20 Hz - 20 kHz, minimum gain, pad out
Dynamic Range
112 dB
Signal to Noise Ratio
‐90 dB
Frequency Response
0 / ‐0.25 dB @ 20 Hz, 0/‐0.5 dB @ 20 kHz
THD+N
System Peak Level THD+N: 0.0055% ‐68 dBu @ +17 dBu output, 1 kHz
System Line level THD+ N: 0.0022%, ‐84 dBu @ +9 dBu output, 1 kHz
Headroom
+18 dB
Operating Level
0 dBu, internal
dBFS Alignment
+18 dBu = 0 dBFS (+22 dBu at XLR output)
Metering
Meter Calibration: 0 dB meter = ‐18 dBFS (+4 dBu at XLR out)
Meter Peak indication: ‐3 dBFS (+19 dBu at XLR out)
Meter Type: Fast (peak) response
Sampling Rate
48 kHz +/‐100 PPM
ADC
24-bit Delta-Sigma
DAC
24-bit Delta-Sigma
Latency
1.49 ms (local XLR in to XLR out)
0.68 ms (local XLR in to digital out)
USB
USB Playback: 2 channel, WAV, FLAC 44.1 / 48 kHz
USB Record: 2 channel, 48 kHz / 16-bit - WAV
I/O Port
64 channel bi-directional
I/O Card
A&H ACE, MADI, Dante, ES, Waves, MMO (optional)
Operating Temperature
32 to 95°F (0 to 35°C)
Mains Power
100 ‐ 240 VAC, 50 / 60 Hz, 95 W max
Mix Processing
Channels
20 Mix Channels: Configure as mono/stereo Groups, Aux, Main, Matrix; Mains = None, LR, LCR. LR+M(bus), LR+M(sum)
External Input
Assignable source
Trim
+/‐24 dB digital trim
Polarity
Normal/reverse
Insert
Assign to any sockets, in/out, +4 dBu/‐10 dBV level
Delay
Up to 170 ms, Bypass switch
Mix global setting ‐ ms, feet, meters, samples
Graphic EQ
Type: Constant 1/3 octave, 28 bands 31 Hz - 16 kHz
Gain: +/‐12 dB
GEQ Fader Flip Mode: 2 overlapping frequency banks on strip faders, SEL key resets frequency band to 0 dB, RTA following PAFL is displayed on strip meters
Parametric Equalizer
Type: 4-Band fully parametric, +/‐15 dB
Frequency Range: Global setting for Mixes = 20 Hz - 20 kHz or 'Analog'
Analog Ranges: 20 - 200 Hz, 35 Hz - 1 kHz, 500 Hz - 15 kHz, 2 - 20 kHz

Band 1: Selectable LF Shelving, Bell, Hi‐Pass
Band 2: Bell
Band 3: Bell
Band 4: Selectable HF Shelving, Bell, Lo-Pass
Bell Width: Non-constant Q, variable, 1.5 to 1/9th octave
Shelving Type: Classic Baxandall
Hi‐Pass, Lo‐Pass Filter: 12 dB/octave
Compressor
Sidechain: Self key, In/Out, Sel 'listen'
Sidechain Lo-Cut Filter: 12 dB/octave, Freq 20 Hz - 5 kHz
Sidechain Hi-Cut Filter: 12 dB/octave, Freq 120 Hz - 20 kHz
Threshold: ‐46 to 18 dBu
Ratio: 1:1 to infinity
Attack: 300 us - 300 ms
Release: 100 ms - 2s
Knee: Soft/Hard
Manual Types: Peak Manual, RMS Manual
Auto Types: VocalAuto, OptoAuto, PunchBag, filter in/out with sel 'listen'
Talkback
Assignable source,
Mode: Latched/Momentary, PAFL Dim option
High Pass Filter: 12 dB/octave, 20 Hz - 2 kHz
Routing: To Groups, Aux, Main, Matrix
Level Trim: +/‐24 dB
Signal Generator
Sine, White Noise, Pink Noise, Bandpass Noise,
Sine, Bandpass sweep 20 Hz - 20 kHz
Controls Level, Mute
Routing To Groups, Aux, Main, Matrix
RTA
31‐bands 1/3 octave 20 Hz - 20 kHz
Source: Follows selected PAFL source
Peak Band Indication: Option to display dominant frequency
Control
Touchscreen
8.4" TFT, 800 x 600 resolution
Faders
100 mm motorized
Fader Strips: 2 Banks (12, 8), 4 Layers = 80x strips
Strip Display: LCD per strip, assignable backlight colors
Softkeys
10 assignable
MIDI
MIDI In and Out
Network
TCP/IP Ethernet
Effects
Internal Processing
Internal FX: 8x RackFX engine
Types: Reverbs, Delays, Modulators, Sub‐harmonics, Pitch Shift, Rotary Speaker, De-Esser
Mode: Send>Return, Inserted, Daisy Chain FX

FX 'Short' Return Channels
8 Stereo Dedicated Returns: Adds to inputs for up to 56 sources to the mix
Controls: Fader, Pan, Mute, Routing to Grp, Aux, FX, Main
FX Return PEQ: Same as Input Channel PEQ
Input Processing
Channels
48 Processing Channels: Mono = 1-44, Stereo = 45/46, 47/48
Trim
+/‐24 dB digital trim
Polarity
Normal/Reverse
High Pass Filter
12 dB/octave 20 Hz - 2 kHz
Insert
Assign to any sockets, In/Out, +4 dBu/‐10 dBV level
Delay
Up to 85 ms, Bypass switch
Input global setting ‐ ms, feet, meters, samples
Gate
Sidechain: Self key, In/Out, Sel 'listen'
Sidechain Lo-Cut Filter: 12 dB/octave, Freq 20 Hz - 5 kHz
Sidechain Hi-Cut Filter: 12 dB/octave, Freq 120 Hz - 20 kHz
Threshold: ‐72 to +12 dBu
Depth: 0 to 60 dB
Attack: 50 us to 300 ms
Hold: 10 ms to 5 s
Release: 10 ms to 1 s
Parametric Equalizer
Type: 4‐band fully parametric, +/‐15 dB
Frequency Range: Global setting for Inputs = 20 Hz - 20 kHz or 'Analog'
Analog Ranges: 20 - 200 Hz, 35 Hz - 1 kHz, 500 Hz - 15 kHz, 2 - 20 kHz
Band 1: Selectable LF Shelving, Bell, Hi-Pass
Band 2: Bell
Band 3: Bell
Band 4: Selectable HF Shelving, Bell, Lo-Pass
Bell Width: Non-constant Q, variable, 1.5 to 1/9th octave
Shelving Type: Classic Baxandall
Hi-Pass, Lo-Pass Filter: 12 dB/octave
Compressor
Sidechain: Sel f key, In/Out, Sel 'listen'
Sidechain Lo-Cut Filter: 12 dB/octave, Freq 20 Hz - 5 kHz
Sidechain Hi-Cut Filter: 12 dB/octave, Freq 120 Hz - 20 kHz
Threshold: ‐46 to 18 dBu
Ratio: 1:1 to infinity
Attack: 300 us - 300 ms
Release: 100 ms - 2 s
Knee: Soft/Hard
Manual Types: Peak Manual, RMS Manual
Auto Types: VocalAuto, OptoAuto, PunchBag
Channel Direct Out
Individual trim (per channel), Options: Source, follow Fader, follow Mute (global for all)
Dimensions and Weight
Dimensions
28.7 x 22.7 x 6.2" (730 x 577 x 159 mm)
Weight
36 lb (16.5 kg)
Packaging Info
Package Weight
46 lb
Box Dimensions (LxWxH)
37 x 30.5 x 11"

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