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Klark Teknik DN500 - page 1
Klark T eknik Group, Klark T eknik Building, W alter Nash Road, Kidderminster . W orcestershire. DY1 1 7HJ. England. T el:+44 1562 741515 Fax:+44 1562 745371 Email: sales@ktgplc.com W ebsite: www .klarkteknik.com OPERA T ORS MANUAL DN500 ...
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Klark Teknik DN500 - page 2
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Klark Teknik DN500 - page 3
IMPOR T ANT SAFETY INSTRUCTIONS 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 ...
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Klark Teknik DN500 - page 4
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Klark Teknik DN500 - page 5
DECLARA TION OF CONFORMITY We , of, Klark T eknik Building, W alter Nash Road, Kidderminster , W orcestershire, DY1 1 7HJ Declare that a sample of the following product:- to which this declaration refers, is in conformity with the following directives and/or standards:- Signed:............................ Name: Simon Harrison Authority: Research an ...
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Klark Teknik DN500 - page 6
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Klark Teknik DN500 - page 7
l abc Klark T eknik DN500 After you have unpacked 3 1 Introduction 5 Instrument Familiarisation Audio Connections 1 1 Using the DN500 13 Compression, Expansion and Limiting together 20 Application notes T echnical Specification 25 Front panel controls 7 Rear panel controls 8 14 Setting the Controls 15 17 Setting the Controls 18 19 Linking to the Co ...
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Klark Teknik DN500 - page 8
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Klark Teknik DN500 - page 9
. 1 Thank you for selecting the Klark T eknik DN500 Plus dual compressor / limiter / expander . The unit continues the Klark T eknik tradition of providing superb audio performance, technical accuracy and rugged reliability . Do not install this unit in a location subjected to excessive heat, dust or mechanical vibration. Connection is made by mean ...
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Klark Teknik DN500 - page 10
2 l abc ...
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Klark Teknik DN500 - page 11
3 l abc After Y ou 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 under gone stringent quality control inspection and every possible effort has been made to ...
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Klark Teknik DN500 - page 12
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Klark Teknik DN500 - page 13
5 l abc Intr oduction Compression, expansion, limiting and peak clipping are four of the most valuable techniques available to the sound engineer . Not only can they solve many problems that can arise in day to day work, creative possibilities exist in abundance. The Klark T eknik DN500 Plus Dual Compressor/Limiter/Expander integrates all of these ...
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Klark Teknik DN500 - page 14
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Klark Teknik DN500 - page 15
7 l abc Instrument Familiarisation: Fr ont Panel Controls The DN500 Plus Dual Compressor/Limiter/Expander consists of two identical channels, each with separate Compressor , Expander and Limiter sections. 1. determines the level above which gain reduction (compression) will take place, variable from +20dBu down to -30dBu. The Gain Reduction light b ...
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Klark Teknik DN500 - page 16
l abc Expander Threshold Ratio 10. determines the level below which gain reduction will take place, variable from 20dBu down to -40dBu. Gain reduction BELOW a threshold level constitutes dynamic range EXP ANSION. The Gain Reduction light bar graph meter indicates in decibels by how much the signal is expanded at any instant. 1 1. sets the degree of ...
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Klark Teknik DN500 - page 17
l abc 9 19. is supplied via an IEC standard 3-pin connector . A compatible power cord is supplied with the unit. 20. The is located in a fuse holder fitted to the rear panel. Always replace with the correct type and rating as indicated on the unit. 21. This unit is switchable between two nominal supply voltages, 1 10V and 220V , via a slide switch. ...
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Klark Teknik DN500 - page 18
l abc 10 ...
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Klark Teknik DN500 - page 19
l abc Audio Connections 11 Input Output The input circuit is a transformerless, electronically balanced design which achieves a symmetry of better than- 50dB from 20Hz to 10kHz. If transformer balancing of the input is required, this must be specified at the time of order . It is not retrofittable. The standard output is unbalanced, but balancing t ...
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Klark Teknik DN500 - page 20
Side Chain/EXT Key Inputs Balanced Circuits The electronically balanced Side Chain inputs are on stereo ¼ inch type A jack sockets, configured: TIP = HOT , RING = COLD, SLEEVE = EAR TH. Inserting a mono jack plug will automatically unbalance the input. The sockets are internally normalled so that signal continuity is maintained when there is no ja ...
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Klark Teknik DN500 - page 21
13 l abc Using the DN500 The natural sounds of life have an extremely wide dynamic range, from the result of a falling leaf to the roar of a jet engine on take off. The human ear has an automatic gain control which enables it to accommodate all of these sounds from the threshold of hearing to close to the threshold of pain, a dynamic range of appro ...
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Klark Teknik DN500 - page 22
14 l abc One of the principal uses of compression is the control of level in vocals. Many singers train for years to achieve the degree of breath control necessary for an even tone and expressive performance. Other vocalists rely on an instinctive voice production technique, which may need help in the studio to maintain a consistent level, and resu ...
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Klark Teknik DN500 - page 23
Hard Knee Soft Knee Increasing signal lev el Increasing signal level 1:1 1:1 10:1 10:1 l abc 15 Threshold Ratio Knee sets the level above which compression takes place. Signals below the threshold will remain unaltered. T urning the control clockwise lowers the threshold level and allows more of the signal to be compressed. is the 'strength&ap ...
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Klark Teknik DN500 - page 24
l abc 16 W ith a soft knee, signals which only just exceed the threshold level are compressed at a low ratio, the ratio increasing the higher the signal level. sets the time the Compressor takes to respond once the threshold has been exceeded. Attack may be set so that the initial transient of the instrument passes through unaltered, or set to a fa ...
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Klark Teknik DN500 - page 25
l abc 17 Expansion may be used to increase the dynamic range of a signal : of a performance lacking life and vigour , or of a previously over compressed recording. Alternatively , expansion can be used to reduce noise, either subtly and undetectably , or with the harder action of a noise gate. The unprocessed signal has a fairly narrow dynamic rang ...
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Klark Teknik DN500 - page 26
l abc 18 Threshold Ratio Attack Release Gain sets the level below which expansion takes place. Signals above the threshold will remain unaltered. T urning the control anticlockwise raises the threshold level and allows more of the signal to be expanded. A low threshold would be used to reduce noise, a higher threshold to increase the dynamic range ...
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Klark Teknik DN500 - page 27
19 l abc Limiting The Limiter acts as a last check on signal level. If the level goes over the threshold, fast acting, high ratio compression is applied to bring it back within bounds. If absolute control over peak levels is required, a Peak Clipper may be switched in, acting in effect as a compressor with a ratio of infinity:1 and an instantaneous ...
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Klark Teknik DN500 - page 28
20 l abc Compr ession, Expansion and Limiting The act of compressing a signal inevitably causes an increase in noise level. Compression reduces peak levels; gain make up restores the overall level, and in the process increases the level of any background noise that the signal contains. Almost always, when compression is used, the Expander section o ...
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Klark Teknik DN500 - page 29
21 l abc The Klark T eknik DN500 Plus Dual Compressor/Limiter/Expander is optimised for use at line level, therefore to process the signal from a microphone, the input to the DN500 Plus has to be taken from the console preferably from the channel insert point send. The output from the DN500 Plus comes back to the channel insert return. By connectin ...
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Klark Teknik DN500 - page 30
22 l abc Applications: Side chain inputs Each channel of the DN500 Plus has two inputs, one for the Compressor and one for the Expander . In normal use, the amount of compression or expansion is related to the dynamics of the input signal. The Side Chain allows the signal passing through the unit to be controlled by the dynamics of another separate ...
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Klark Teknik DN500 - page 31
l abc 23 Applications: De-essing De-essing is an important compression technique using the Side Chain. Many singers have high level sibilants 'sss' sounds which detract from their performance. Equalising the signal will reduce the sibilants, but also make the overall vocal sound dull. The sibilants can be selectively removed by compressin ...
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Klark Teknik DN500 - page 32
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Klark Teknik DN500 - page 33
Audio Inputs T wo Side Chain Inputs T wo Compressor + T wo Expander Audio Outputs T wo Performance Compressor Expander Limiter/Clipper Power Requirements T ermination T ype Electronically Balanced Impedance (ohms) Balanced 20k Unbalanced 10k T ype Electronically Balanced Impedance (ohms) Balanced 20k Unbalanced 10k T ype Unbalanced Minimum Load Imp ...
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Klark Teknik DN500 - page 34
26 l abc Dimensions W eight Options W idth 482mm (19 inch) Depth 292mm (11 ½ inch) Height 44.5mm (1 ¾ inch) Nett 4 kg Shipping 6kg Security Cover T ransformer Input / Output balancing* * Input transformer balancing is non-retrofittable and has to be specified with order . Security cover T ransformer input*/output balancing *Input transformer bala ...
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