SOUNDCRAFT
USER GUIDE
ã Soundcraft Electronics Ltd. 1994 All rights reserved
Parts of the design of this product may be protected by worldwide patents.
Part No. ZM0088-01
Information in this manual is subject to change without notice and does not represent a commitment on the part of the vendor. Soundcraft Electronics Ltd. 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 Electronics Ltd.
It is recommended that all maintenance and service on the product should be carried out by Soundcraft Electronics Ltd. or its authorised agents. Soundcraft Electronics Ltd. cannot accept any liability whatsoever for any loss or damage caused by service, maintenance or repair by unauthorised personnel.
Soundcraft Electronics Ltd.
Cranborne House
Cranborne Road
Potters Bar
Herts.
EN6 3JN
England
Tel: 01707 665000
Fax: 01707 660482
Contents
1. |
Introduction |
1.1 |
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System Overview |
1.2 |
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Warranty |
1.3 |
2. |
Installation |
2.1 |
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Dimensions |
2.2 |
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Precautions and Safety Instructions |
2.3 |
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Mains Installation |
2.4 |
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General Wiring Procedures |
2.5 |
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Connections |
2.8 |
3. |
Block Diagrams |
3.1 |
4. |
Functional Description |
4.1 |
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Mono Input Channel |
4.2 |
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Stereo Input Channel |
4.5 |
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Group/Matrix Section |
4.8 |
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Master Section |
4.9 |
5. |
Specifications |
5.1 |
1. Introduction
System Overview
Warranty
Introduction |
December 1994 |
1.1 |
Introduction
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The K1 is a professional, compact, four-bus sound reinforcement console designed |
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for a wide range of applications in installed and portable sound systems. |
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The console is available in a range of free-standing frame sizes or the smallest frame |
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can be rack-mounted with the optional mounting brackets. The modular |
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construction, with input modules in blocks of four, provides ease of servicing and |
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configuration to suit individual applications. All frames include a versatile Master |
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section, combining group and main output masters, monitoring, matrix outputs and |
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two full stereo input channels. |
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All input modules include a 4-band EQ and High Pass Filter, 6 Auxiliary Sends and |
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routing to 4 Sub-Groups, Stereo and Mono outputs. |
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Frame Sizes |
The K1 is available in 3 frame sizes: |
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∙ 8 inputs + Master |
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∙ 16 inputs + Master |
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∙ 24 inputs + Master |
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∙ 32 inputs + Master |
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The 8 input frame may be fitted with optional mounting brackets for installation in |
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standard 19" racking. |
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Module Options |
All frames include the Master section which comprises group and main output |
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masters, monitoring, matrix outputs and two full stereo input channels. |
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Input modules may be added in blocks of four as follows: |
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∙ Mono Input Block with 4-band EQ (with sweep mid sections) and 6 |
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Auxiliary Sends |
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∙ Stereo Input Block with 4-band EQ and 6 Auxiliary Sends |
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Metering |
12-segment peak-reading LED bargraph meters display Mix/Solo and Group/Matrix |
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output levels. |
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Power Supplies |
The power supply which is supplied with the console will depend upon the number |
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of channels which the console has. Always use the power supply which is supplied |
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with the console. Consoles may require a larger power supply when optional Stereo |
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modules are fitted - please check with your dealer for guidance. |
1.2 |
December 1994 |
Introduction |
Warranty
1Soundcraft means Soundcraft Electronics 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.
Introduction |
December 1994 |
1.3 |
1.4 |
December 1994 |
Introduction |
2. Installation
Dimensions
Precautions & Safety Instructions
Mains Installation
General Wiring Procedures
Connections
Installation |
December 1994 |
2.1 |
Dimensions
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196.80mm |
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DIMENSION ’X’ |
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(7.75") |
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536.00mm (21.10")
70.50mm (2.22")
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47.50mm |
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96.30mm |
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(1.87") |
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(3.79") |
Console |
Dimension ’X’ |
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8 ch. |
460.00mm (18.11") |
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16 ch. |
678.53mm (26.71") |
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24 ch. |
920.73mm (36.25") |
2.2 |
December 1994 |
Installation |
Precautions and Safety Instructions
General Precautions Avoid storing or using the mixing console in conditions of excessive heat or cold, or in positions where it is likely to be subject to vibration, dust or moisture. Do not use any liquids to clean the fascia of the unit: a soft dry brush is ideal. Use only water or ethyl alcohol to clean the trim and scribble strips. Other solvents may cause damage to paint or plastic parts.
Avoid using the console close to strong sources of electromagnetic radiation (e.g. video monitors, highpower electric cabling): this may cause degradation of the audio quality due to induced voltages in connecting leads and chassis. For the same reason, always site the power supply away from the unit.
Caution! In all cases, refer servicing to qualified personnel.
Handling and Transport The console is supplied in a strong carton. If it is necessary to move it any distance after installation it is recommended that this packing is used to protect it. Be sure to disconnect all cabling before moving. If the console is to be regularly moved we recommend that it is installed in a foamlined flightcase. At all times avoid applying excessive force to any knobs, switches or connectors.
Power Supplies & cables Always make sure that the power supply unit (PSU) has been set to the same voltage as the mains supply
Always use the power supply and cable supplied with the mixer: the use of alternative supplies may cause damage and voids the warranty; the extension of power cables may result in malfunction of the mixing console.
Warning! Always switch the power supply off before connecting or disconnecting the mixer power cable, removing of installing modules, and servicing. In the event of an electrical storm, or large mains voltage fluctuations, immediately switch off the PSU and unplug from the mains.
Always ensure that you use the correct PSU for your mixer.
Signal Levels |
It is important to supply the correct input levels to the console, otherwise signal to |
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noise ratio or distortion performance may be degraded; and in extreme cases, damage |
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to the internal circuitry may result. Likewise, on all balanced inputs avoid sources |
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with large commonmode DC, AC or RF voltages, as these will reduce the available |
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signal range on the inputs. Note that 0dBu = 0.775V RMS. |
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Refer to the Specifications section for details of input and output levels. |
Installation |
December 1994 |
2.3 |
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