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ALLEN & HEATH ZED 14 2 User Manual

ALLEN & HEATH ZED 14 2
41 pages
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ALLEN&HEATH ZED 14 service manual AP7176 Issue 4 Page - 1 - of 11
ZED 14:2 ZED 24:2
ALLEN&HEATH
SERVICE MANUAL
Copyright © 2007 Allen & Heath Limited. All rights reserved
Allen & Heath Limited
Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK
http://www.allen-heath.com
ZED
2 bus
Complete
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ALLEN & HEATH ZED 14 2 Specifications

General IconGeneral
TypeAnalog
Channels14
Microphone Inputs6
Line Inputs8
USB InterfaceYes
EQ Bands3-band
Aux Sends2
USB Channels2 x Input / 2 x Output
Phantom PowerYes
Weight4.5 kg

Summary

Limited One Year Warranty

Conditions of Warranty

Details the terms and requirements for warranty service.

Factory Development Changes

Secure Distribution PCB with Cable Tie

Details factory modification to secure PCB with cable tie.

USB Noise with Some Laptops

Details factory modification to reduce USB noise.

Headphone Amplifier Protection Update

Describes a change to protect the headphone amplifier.

HF Instability on Mono I/P Fix

Addresses an issue with instability on the mono input.

Servicing Precautions and General Notes

Personnel and Facilities Requirements

Guidelines for qualified service personnel and appropriate workshop facilities.

Safety and Power Procedures

Covers mains power, cord safety, and unit opening/closing procedures.

Operational and Diagnostic Procedures

Covers testing, shipping, operation, and fault finding steps.

Parts Identification

How to Order Parts

Instructions for ordering replacement parts through distributors.

Exterior Parts Identification

Visual guide to external components and their part numbers.

Interior Parts Identification

Visual guide to internal components and their part numbers.

Specification

Operating Levels and Frequency Response

Technical specifications for operating levels and frequency response.

THD+n, Headroom, and Noise

Detailed audio performance specs: THD, headroom, and noise.

Block Diagram Overview

Mono Channel Signal Path

Diagram of the mono channel's audio signal flow and controls.

Stereo Channel Signal Path

Diagram of stereo channels' audio signal flow and controls.

Master Section and Outputs

Diagram of the master section, outputs, and metering.

Auxiliary and USB Signal Flow

Diagram of auxiliary sends and USB return signal paths.

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