Soundcraft LX7-II User Manual

User Guide

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IMPORTANT Please read this manual

carefully before using your mixer for the first time.

© Harman International Industries Ltd. 2003

All rights reserved

Parts of the design of this product may be protected by worldwide patents.

Part No. ZM0288

Issue: 1

Soundcraft is a trading division of Harman International Industries Ltd. Information in this manual is subject to change without notice and does not represent a commitment on the part of the vendor. Soundcraft shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.

No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, electrical, mechanical, optical, chemical, including photocopying and recording, for any purpose without the express written permission of Soundcraft.

Harman International Industries Limited

Cranborne House

Cranborne Road

POTTERS BAR

Hertfordshire

EN6 3JN

UK

Tel: [phone]

Fax: [phone]

http://www.soundcraft.com

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Contents
INTRODUCTION	5
Features	6
Warranty	7
INSTALLATION	9
WARNING	10
Precautions and Safety Instructions	11
General Precautions	11
Handling and Transport	11
Power Supplies & Cables	11
Signal Levels	11
Mains Installation	11
General Wiring Procedures	11
Initial Wiring Considerations	12
Audio Wiring	12
Shielding	12
Points to Remember	13
Setting Up & Troubleshooting	14
Initial set-up	14
Troubleshooting	14
Connecting Leads	16
Audio Connector Pinouts	17
Dimensions	18
BLOCK DIAGRAM	19
USING THE CONSOLE	21
Overview	22
Mono Input Channel	23
Stereo Input Channel	27
Master Section	28
Mark-up Sheet	30
SPECIFICATIONS	31

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4

INTRODUCTION

5

Features

The LX7-II combines the essential Soundcraft live mixer qualities with basic recording-oriented features, in a compact frame that’s light enough for one person to carry yet easy to configure and use. This makes it especially suitable for multi-purpose use in venues such as small halls and community centres, while its direct channel outputs make the LX7-II an ideal choice for bands who need a live desk that can double up in the studio.

Housed in a choice of 16, 24 or 32 channel frame, LX7-II provides 24, 32 or 40 inputs - with no less than 13 separate bus outputs including mix, 4 groups, a dedicated mono bus for centre speaker clusters, side or rear fills, and six auxiliary busses.

There are also 8, 16 or 24 direct outs, depending on the frame size of your console.

LX7-II’s balanced mic inputs all use Soundcraft new GB30 padless mic preamp providing 60dB of gain and 22dBu of headroom. Each input also includes 4 band EQ with two swept mid frequency controls. In addition, EQ In/Out switch and steep 18dB/Octave High Pass Filter, allow effective audio control in difficult venues whilst the six auxiliary sends are pre-post switchable in pairs from each channel, providing a maximum of 4 pre-fader and six post-fader. This makes LX7-II equally applicable for foldback - heavy performance or in situations where more effects are required.

LX7-II groups section houses two further stereo inputs - with EQ, auxiliaries for keyboards or stereo recording devices - as well as two FX returns. All four groups are routable to mix and include 12 segment bargraph metering for accurate monitoring and inserts. Six auxiliary masters on rotary controls also included AFL soloing.

In the master section there is talkback provision to all pre-fade auxiliaries and the mix. Phantom power in banks of four, and a two track return for pre-show music are also present. A “two-track” to mix switch allows the engineer to play CD’s over the main PA whilst back-stage set-up is going on, with one press of a button. The mix is also routable to the separate mono bus if mono PAs are required.

LX7-II is built in a rugged wedge-shaped steel chassis with an internal power supply, professional all-metal jackfield and connectors on the rear of the console. All inputs and outputs are balanced.

Applications incluse : Gigging Bands, Small installations, Small venues, Theatres, Houses of Worship and Live & studio recording.

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Warranty

1Soundcraft is a trading division of Harman International Industries Ltd.

End User means the person who first puts the equipment into regular operation.

Dealer means the person other than Soundcraft (if any) from whom the End User purchased the Equipment, provided such a person is authorised for this purpose by Soundcraft or its accredited Distributor.

Equipment means the equipment supplied with this manual.

2If within the period of twelve months from the date of delivery of the Equipment to the End User it shall prove defective by reason only of faulty materials and/or workmanship to such an extent that the effectiveness and/or usability thereof is materially affected the Equipment or the defective component should be returned to the Dealer or to Soundcraft and subject to the following conditions the Dealer or Soundcraft will repair or replace the defective components. Any components replaced will become the property of Soundcraft.

3Any Equipment or component returned will be at the risk of the End User whilst in transit (both to and from the Dealer or Soundcraft) and postage must be prepaid.

4This warranty shall only be available if:

a)the Equipment has been properly installed in accordance with instructions contained in Soundcraft's manual; and

b)the End User has notified Soundcraft or the Dealer within 14 days of the defect appearing; and

c)no persons other than authorised representatives of Soundcraft or the Dealer have effected any replacement of parts maintenance adjustments or repairs to the Equipment; and

d)the End User has used the Equipment only for such purposes as Soundcraft recommends, with only such operating supplies as meet Soundcraft's specifications and otherwise in all respects in accordance Soundcraft's recommendations.

5Defects arising as a result of the following are not covered by this Warranty: faulty or negligent handling, chemical or electro-chemical or electrical influences, accidental damage, Acts of God, neglect, deficiency in electrical power, air-conditioning or humidity control.

6.The benefit of this Warranty may not be assigned by the End User.

7.End Users who are consumers should note their rights under this Warranty are in addition to and do not affect any other rights to which they may be entitled against the seller of the Equipment.

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8

INSTALLATION

For your own safety and to avoid invalidation of the warranty please read this section carefully.

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WARNING

THIS UNIT MUST BE EARTHED

Under no circumstances should the mains earth be disconnected from the mains lead.

The wires in the mains lead are coloured in accordance with the following code:

Earth:	Green and Yellow		(Green/Yellow - US)
Neutral:	Blue (White -	US)
Live:	Brown (Black	-	US)

As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol.

The wire which is coloured Blue must be connected to the terminal in the plug which is marked with the letter N.

The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L. Ensure that these colour codings are followed carefully in the event of the plug being changed.

To avoid the risk of fire, replace the mains fuse only with the correct value fuse, as marked on the rear panel.

The internal power supply unit contains no user serviceable parts. Refer all servicing to a qualified service engineer, through the appropriate Soundcraft dealer.

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