DN500
OPERATORS MANUAL
Klark Teknik Group,
Klark Teknik Building,
Walter Nash Road,
Kidderminster.
Worcestershire.
DY11 7HJ.
England.
Tel:+44 1562 741515
Fax:+44 1562 745371
Email: sales@ktgplc.com
Website: www.klarkteknik.com
DN500Plus Dual Compressor/Limiter/Expander Operators Manual
(c) Klark Teknik Group (UK) PLC.
In line with the company’s policy of continual improvement, specifications and function may be
subject to change without notice. This Operators Manual was correct at the time of writing. E&OE.
Issue 1.1 - September 2004DOC02-DN500+
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE
AVIS: RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR
These symbols are internationally accepted symbols that warn of potential hazards with
electrical products.
The lightning flash with arrowhead symbol, within an equilateral
triangle is intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert
the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any of the ventilation openings. Install in accordance with the manufacturers
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding type plug has two blades and a third grounding
prong. The wide blade or the third prong are provided for your safety. If the provided plug does not
fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
11. Only use attachments / accessories specified by the manufacturer.
12. Unplug this apparatus during lightning storms or when unused for long periods oftime.
13. Refer all servicing to qualified personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
IEC-60065-Edn7-KT
Walter Nash Road, Kidderminster, Worcestershire. DY11 7HJ. England
Tel: +44 1562 741515. Fax: +44 1562 745371
Company Registration No: 2414018
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SIGNAL PROCESSING BY DEFINITION DESIGNEDFOR APUREPERFORMANCE
DECLARATION OF CONFORMITY
Klark Teknik Group (UK) PLC
We,
of, Klark Teknik Building, Walter Nash Road, Kidderminster, Worcestershire, DY11 7HJ
Declare that a sample of the following product:-
Product Type Number Product Description Nominal Voltage (s) Current Freq
DN500 Plus Dual Compressor / 115V AC 200mA
Limiter / Expander 230V AC
100mA
to which this declaration refers, is in conformity with the following directives and/or standards:-
Directive(s) Test Standard(s)
89/336/EEC Electromagnetic Compatibility Directive
amended by 92/31/EEC & 93/68/EEC 73/23/EEC,
Low Voltage Directive, amended by 93/68/EEC
Generic Standard Using EN55103 Limits and Methods EN50081/1
Class B Conducted Emissions Pavi EN55103
Class B Radiated Emissions Pavi EN55103
Fast Transient Bursts at 2kV EN61000-4-4
Static Discharge at 4kV EN61000-4-2
Electrical Stress Test EN60204
Electrical Safety UL6500-99
EN60065:1998
E60065-00
50/60Hz
Signed:............................
Date: 15th September 2003
Name: Simon Harrison
Authority: Research and Development Director, Klark Teknik Group (UK) PLC
Attention!
Where applicable, the attention of the specifier, purchaser, installer or user is drawn to special limitations of use
which must be observed when these products are taken into service to maintain compliance with the above
directives. Details of these special measures and limitations to use are available on request and are available
in product manuals.
A Subsidiary of Telex communications, Inc.
Contents
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Klark Teknik DN500
After you have unpacked 3
Introduction 5
Instrument Familiarisation
Front panel controls 7
Rear panel controls 8
Audio Connections 11
Using the DN500 13
Compression
Setting the Controls 15
Expansion
Setting the Controls 18
Limiting
Compression, Expansion and Limiting together 20
Application notes
Linking to the Console 21
Using the Side Chain 22
De-essing 23
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19
Technical Specification 25
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The Klark Teknik DN500
Thank you for selecting the Klark Teknik DN500 Plusdual compressor / limiter / expander.The unit continues
the Klark Teknik tradition ofproviding superb audio performance, technical accuracy and rugged reliability.
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Precautions
Do not install this unit in a locationsubjected to excessive heat, dust or mechanical vibration.
Voltage Selectionand PowerConnection
Connection is made by means of an IEC standard power socket. The rear panel text indicates thevoltage range
required for satisfactory operation of the unit.
Before connecting this unit to the mains supply, ensure the fuse fitted is the correct type and rating is as
indicated on the rear panel, adjacent tothe fuse holder.
Safety Warning
This unit is fitted with a standard fused IEC mains inlet: For safety reasons the earth lead should never be
disconnected.
To prevent shock or fire hazard, do not expose the unit to rain or moisture. To avoid electrical shock do not
remove covers. Refer servicing to qualified personnelonly.
Attention! Cables
This product should only be used with high quality, screened twisted pair audio cables, terminated with metal
bodied 3-pin XLR connectors. Any other cable type or configuration for the audio signals may result in
degraded performance due to electromagnetic interference.
Electric Fields:
Should this product be used in an electromagnetic field that is amplitude modulated by an audio frequency
signal (20Hz to 20kHz), the signal to noise ratio may be degraded. Degradation of up to 60dB at a frequency
corresponding to the modulation signal may be experienced under extreme conditions (3V/m, 90%
modulation).
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After You Have Unpacked The Unit
Save all the packing materials - they will prove valuable should it become necessary to transport or ship this
product.
Please inspect this unit carefully for any signs of damage incurred during transportation. It has undergone
stringent quality control inspection andevery possibleeffort has been madeto ensurethat it left the factory in
perfect condition.
If, however, the unit shows any signs of damage, please notify the transportation company without delay.
Only you, the consignee, may institute aclaim against the carrier for damage during transportation.
If necessary, contact your supplier or as a last resort, your Klark Teknik importing agent, who will fully cooperate under such circumstances.
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KIDDERMINSTER ENGLAND
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