Instruction/ maintenance manual of the product DN500 Klark Teknik
Go to page of 34
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.
.
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 equilat.
.
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:.
.
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 not.
l abc.
. 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.
2 l abc.
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.
4 l abc.
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.
6 l abc.
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.
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.
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.
l abc 10.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
l abc 24.
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 Imp.
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 .
An important point after buying a device Klark Teknik DN500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Klark Teknik DN500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Klark Teknik DN500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Klark Teknik DN500 you will learn all the available features of the product, as well as information on its operation. The information that you get Klark Teknik DN500 will certainly help you make a decision on the purchase.
If you already are a holder of Klark Teknik DN500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Klark Teknik DN500.
However, one of the most important roles played by the user manual is to help in solving problems with Klark Teknik DN500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Klark Teknik DN500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
