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ALLEN & HEATH ZED-18

ALLEN & HEATH ZED-18
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USER GUIDE
Publication AP6822
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ALLEN & HEATH ZED-18 Specifications

General IconGeneral
TypeAnalog Mixer
Channels18
Mic Preamps10
Phantom PowerYes
Aux Sends4
USBYes
USB Audio InterfaceYes
USB Channels2
Headphone Output1
Main Outputs2
Sub Outputs2
Faders60mm
USB Interface2-in/2-out

Summary

Limited One Year Warranty

Conditions Of Warranty

Details the conditions under which the warranty is valid, including installation and operational requirements.

PACKED ITEMS

SAFETY INSTRUCTIONS

Read instructions

Instruction to retain and follow safety and operating instructions for future reference.

Do not remove cover

Warning against operating the console with its covers removed to prevent electric shock.

Power sources

Guidance on connecting to appropriate mains power units and using provided cords.

Power cord routing

Advice on safely routing the power cord to prevent it from being walked on or pinched.

Grounding

Emphasizes the necessity of proper earthing and not defeating the ground connection.

Water and moisture

Precautions regarding exposure to rain, moisture, or liquids to reduce shock risk.

Ventilation

Instructions to ensure adequate airflow by not obstructing ventilation slots.

Heat and vibration

Guidance on avoiding locations with excessive heat, direct sunlight, or vibration.

Servicing

Specifies that servicing should only be done by qualified technical personnel.

Installation

Instructions for correct console installation and connection to audio equipment.

Important Mains plug wiring instructions

General Precautions

Damage

Advice to prevent physical damage to the console's controls and cosmetics.

Environment

Guidelines for operating and storing the console in suitable environmental conditions.

Cleaning

Instructions on how to clean the console and its controls properly using soft materials.

Transporting

Recommendations for safely transporting the console, whether free-standing or rack-mounted.

Hearing

Warning about the risks of prolonged exposure to high volume sound and potential hearing loss.

PANEL DRAWINGS

INTRODUCTION TO THE ZED-14 & 24

Multi-application

Discusses the suitability of ZED mixers for live mixing, recording, and installations.

MicLine Pre-amps

Explains the two-stage design and gain structure of the pre-amplifiers for optimal signal.

EQ

Details the 3-band EQ on mono channels and 2-band EQ on stereo channels.

AUX system

Describes the four auxiliary buses and their configuration for monitoring or effects.

Mono and Stereo Channels

Highlights the variety of inputs available on mono and stereo channels for flexibility.

USB

Explains the flexible and easy USB audio interface implementation for computer connectivity.

SPECIFICATIONS

Input

Specifies the operating levels for various input types like XLR, line, and insert.

Output

Specifies the operating levels for various output types like main, aux, and record.

Frequency Response

Details the frequency response characteristics for different inputs and outputs.

THD+n

Presents Total Harmonic Distortion plus Noise figures for various signal paths.

Headroom

Information on analogue and USB headroom from nominal levels.

USB Audio CODEC (CoderDecoder)

Specifications for the USB audio interface, including compliance and sample rate.

Noise

Lists noise figures for different output configurations and mixer models.

Dimensions

Weight

BLOCK DIAGRAM

MONO INPUT CHANNEL

Mic Input Socket

Describes the XLR microphone input connection and wiring standards.

Line Input Jack Socket

Explains the 1/4" jack socket for line-level signals and its function.

Insert Jack Socket

Details the 1/4" jack for insert send and return signals, and its nominal level.

Gain Control

How to adjust input amplifier gain to match signal levels from XLR or line inputs.

100 Hz Hi-pass Filter

Describes the filter used for reducing pop noise and rumble from microphone signals.

HF EQ

Explains the High Frequency equalizer and its effect on higher audible frequencies.

MF EQ

Details the Mid Frequency equalizer and its range for adjusting mid-range audio.

LF EQ

Describes the Low Frequency equalizer and its response characteristics at the low end.

Auxes 1 & 2

Describes the pre-fade auxiliary sends for monitoring and other purposes.

Auxes 3 & 4

Details the post-fade auxiliary sends typically used for effects.

PAN

Explains how the pan control distributes signal to left and right stereo buses.

Mute Switch

Describes the function of the mute switch for channels and buses.

PFL Switch & PK! LED

Explains the Pre-Fade Listen function and clipping indicator for mono channels.

Fader

Controls the channel signal level to main and auxiliary buses.

STEREO INPUT CHANNEL STI

Stereo Return Phono sockets

Describes the additional stereo input via phono connectors.

Stereo I input jack sockets

Explains the 1/4" jack sockets for line-level stereo signals.

Stereo Return Level control

Adjusts the level of the stereo return input from off to maximum.

Stereo Return ON switch

Controls whether the stereo return input is active, recommended to keep off when unused.

Stereo Routing selector switch

Selects how the stereo return signal is routed to the LR bus or stereo channel.

Stereo I Level control

Adjusts the level of the Stereo I input from off to +10dB.

Stereo Channel EQ

Details the 2-band EQ for stereo channels with specific corner frequencies.

STEREO Aux 1 & 2 switch

Selects mono or stereo pairing for Aux 1 & 2 sends from the stereo channel.

Aux 1 & 2 sends

Controls the level of pre-fade signals sent to Aux 1 & 2 buses from the stereo channel.

Aux 3 & 4 sends

Controls the level of post-fade signals sent to Aux 3 & 4 buses from the stereo channel.

Balance control

Adjusts the relative levels between left and right channels for stereo signals.

Mute Switch

Mutes signals to main LR and auxiliary buses from the stereo channel.

PFL Switch & PK! LED

Explains Pre-Fade Listen and clipping indicator for stereo channels.

Fader

Controls the stereo channel signal level to main and auxiliary buses.

STEREO INPUT CHANNELS ST2, 3 & 4 & USB

Stereo Input Channel STI

Refers back to previous description of Stereo Input Channel STI.

Stereo Input Channel ST2

Explains the ST2 channel with its additional 2 Track Return input.

Stereo Input Channel ST3

Details the ST3 channel with its USB audio input and phono record outputs.

Stereo Input Channel ST4

Describes the ST4 channel with its jack socket input and alternate output.

USB connector & output selection

Explains the USB connector and how to select output sources using selector switches.

MASTER SECTION

Aux output jack sockets

Describes the 1/4" jack sockets for Aux 1 to 4 outputs.

Mix L R Insert jack sockets

Explains the insert send and return jacks for the main Mix L/R.

Main L R output xlr sockets

Details the balanced XLR outputs for the main stereo mix.

Mono output jack socket

Describes the mono sum output of the main left & right post-fade signals.

Headphones jack sockets

Explains the 1/4" and 3.5mm headphone connections and recommendations.

48 v Phantom Power switch

How to activate phantom power for microphones, with safety warnings.

Left Right meters

Describes the LED meters for monitoring signal levels from monitor or PFL sources.

Headphone level control

Adjusts the volume for the headphone output signal.

Monitor selector switches

Selects signal sources for headphone monitoring and meters based on priority.

Alternate output level control

Controls the volume for a separate alternate output, useful for monitor speakers.

Alternate output selector switches

Selects signal sources for the alternate output, like pre-fade or monitor signals.

Aux 1 & 2 master level controls

Adjusts the master levels for the Aux 1 and 2 outputs.

Master L R faders

Controls the main L R output levels with high-quality 100mm faders.

USB CONNECTION

USB Audio Interface

Explains the stereo bi-directional USB 1.1 compliant audio CODEC and its computer compatibility.

Windows XPVista

Specific volume settings for Windows XP/Vista operating systems when using the USB interface.

Windows 7

Specific volume settings for Windows 7 operating systems, noting its treatment as mic source.

SONAR XI LE Overview

SONAR XI LE Key Features

Lists the main capabilities and features of the SONAR XI LE software.

SONAR LE Installation

Step-by-step guide for installing the SONAR LE software from the included disk.

SONAR LE Configuration

Input Echo

Instructions on enabling input echo for monitoring and recording within SONAR LE.

CONNECTING A ZED TO PRO TOOLS 9 ON A MAC

RECORDING APPLICATION DIAGRAM

USING USB FOR EFFECTS

Use post fade Aux 3 & 4

Utilize post-fade Aux 3 & 4 sends for effects, maintaining proportion with channel fader.

Select Aux 3-4 on USB output

Select Aux 3-4 on the USB output selector switches for effects routing.

USB lead carries signals

The USB lead carries digital signals to and from the computer for effects processing.

Select USB Device LeftRight

Select USB Device Left for Aux 3 or Right for Aux 4 as input for the software track.

Use send bus in software

Use a send bus in software as you would a hardware mixer for effects routing.

Assign an effect

Assign an effect from your software plug-in list to the selected track.

Compensate for latency

For reverb, use 100% wet mix and reduce pre-delay to compensate for USB latency.

Send output to USB Device

Send the output of the software group or bus to the USB Device.

Set return level and select USB ON

Set the return level and select USB ON to monitor the effect return.

Select USB return to stereo channel ST3

Use the USB return with stereo channel ST3 or route directly to L-R.

Add reverb for foldback

Add reverb for foldback (artists') monitors.

WIRING NOTES

Insert cable wiring

Diagrams showing how to wire insert cables for send/return connections.

Y-Adapter

Explains the use of Y-adapters for input/output splitting and connection.

General Wiring Information

Provides details on balanced and unbalanced cable wiring for various connector types.

PRODUCT SUPPORT

Registering your product

Instructions on how to register the mixer for warranty and product updates.

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