Allen and Heath GLD112 Live Digital Mixer

GLD112 Best Deal! The GLD-112 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.

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The Allen & Heath GLD-112 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-112 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-112 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-112 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-112 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-112 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
28 faders, 4 layers, 112 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
14 assignable SoftKeys for scene recall, DCA mutes and more

Specifications

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, 110 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: 3 Banks (12,8,8), 4 Layers = 112x strips
Strip Display: LCD per strip, assignable backlight colors
Softkeys 14 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)