InstrumentFamiliarisation:FrontPanel Controls

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The DN500 Plus Dual Compressor/Limiter/Expander consists of two identical channels, each with separate Compressor, Expander and Limiter sections.

Compressor

1.Threshold determines the level above which gain reduction (compression) will take place, variable from +20dBu down to -30dBu. The Gain Reduction light bar graph meter indicates in decibels by how much the signal is compressed at any instant.

2.Ratio sets the degree of compression applied above the threshold level, variable from 1:1 to 50:1. A ratio of 1:1 corresponds to zero compression : Signal In = Signal Out. A ratio of 10:1 indicates that when the input signal, above the threshold, rises in level by 10dB, the output level will rise 1dB.

3.Knee calibrated from 1 to 40, adjusts the 'hardness' or 'softness' of the compression effect. A hard knee means that when the input signal level rises above the threshold, it is immediately compressed at the full ratio as set. A soft knee means that compression will start below the threshold level at a low ratio and gradually attain the full ratio selected only at higher levels.

4.Attack sets the time taken for compression to commence after the threshold is exceeded, from 0.05 milliseconds (50 microseconds) to 20 milliseconds.

5.Release determines the time taken for the gain to return to normal after the signal drops below the threshold level, adjustable from 60 milliseconds to 2 seconds.

6.The Bypass switch selects the whole channel to be in or out of circuit.

7.Stereo links the two channels of the DN500 Plus together, so that they are both operated from the controls of Channel A, apart from the Limiter sections which always work individually. In stereo mode, the unit still monitors the levels of both channels to detect when the signal is above the threshold level (on Channel B, the Stereo switch is replaced by a 'Stereo Slave' light indicator).

8.Comp In selects the compression effect to be in or out.

9.ENV allows the setting of attack and release times to be automatic or manual. On Auto, the attack time of the input signal and the amount by which it exceeds the threshold level are assessed, and suitable Compressor attack and release values set to give an almost undetectable reduction in signal dynamic range. On Manual, the rotary Attack and Release controls come into operation.

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Klark Teknik DN500 manual Instrument Familiar isat ion Front Panel Controls, Compressor
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DN500 specifications

The Klark Teknik DN500 is a professional audio processing unit recognized for its versatility and outstanding performance in live sound and studio environments. A part of the prestigious Klark Teknik product lineup, the DN500 is designed to provide audio engineers with advanced solutions that enhance sound quality and simplify workflow.

One of the standout features of the DN500 is its intuitive graphical LCD interface, which allows for easy navigation through menus and real-time monitoring of settings. Users can quickly adjust parameters and visualize changes, making it easier to achieve desired audio processing outcomes. The unit is equipped with robust 24-bit/192 kHz digital converters, ensuring high-resolution audio performance that captures even the most subtle nuances in sound.

The DN500 also features comprehensive equalization capabilities. With its 31-band graphic EQ, users can fine-tune their sound to perfection, allowing precise control over frequency response in both live and recorded settings. The innovative Auto EQ function intelligently analyzes the audio input and suggests adjustments, further streamlining the EQ process.

In addition to equalization, the DN500 incorporates advanced dynamic processing technologies, including compressors and limiters. These tools help manage audio levels effectively, preventing unintended peaks and ensuring a consistent sound across various performances. The unit also offers multiple routing options, allowing audio engineers to integrate it seamlessly into existing setups with minimal disruption.

Another notable characteristic of the DN500 is its rugged construction. Designed for reliability in demanding environments, it features a sturdy chassis that withstands the rigors of touring and live performances. The DN500 is also equipped with extensive connectivity options, including balanced XLR inputs and outputs, making it compatible with a wide range of audio equipment.

Overall, the Klark Teknik DN500 is a powerful audio processing unit that delivers high-quality sound and user-friendly features. Its combination of advanced technologies, robust construction, and flexible routing options make it an essential tool for audio professionals, whether in studio settings or on the live stage. With the DN500, users can achieve exceptional sound quality, paving the way for memorable audio experiences.
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