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 product.
1Read these instructions.
2Keep these instructions.
3Heed all warnings.
4Follow all instructions.
5Do not use this apparatus near water.
6Clean only with a dry cloth.
7Do not block any of the ventilation
openings. Install in accordance with the
manufacturer’s instructions.
8Do not install near any heat sources such
as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that
produce heat.
9Do 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 of
time.
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.
14 Use the mains plug to disconnect the
apparatus from the mains.
15 Warning: To reduce the risk of fire or
electric shock, do not expose this
apparatus to rain or moisture.
16 Warning: Do not expose this
equipment to dripping or splashing
and ensure that no objects filled with
liquids, such as vases, are placed on
the equipment.
17 Warning: The mains plug of the power
supply cord shall remain readily
operable.
INSTRUCTIONS DE SÉCURITÉ IMPORTANTES
Le symbole représentant un éclair fléché dans un triangle équilatéral a pour but
d'alerter l'utilisateur de la présence d'une "tension dangereuse" non isolée à
l'intérieur du boîtier, pouvant être d'une force suffisante pour constituer un risque
d'électrocution.
Le point d'exclamation dans un triangle équilatéral a pour but d'alerter
l'utilisateur de la présence d'instructions importantes concernant le
fonctionnement et la maintenance, dans la documentation qui accompagne
l'appareil.
1Veuillez lire ces instructions.
2Conservez ces instructions.
3Respectez toutes les consignes de
sécurité.
4Suivez scrupuleusement toutes les
instructions.
5N'utilisez pas cet appareil près d'un point
d'eau.
6Utilisez uniquement un chiffon sec pour le
nettoyer.
7N'obstruez aucune des ouïes de
ventilation. Installez-le en respectant les
instructions du fabricant.
8Ne l'installez pas près de sources de
chaleur tels que radiateurs, panneaux
chauffants, étuves, ou autres appareils
produisant de la chaleur (dont les
amplificateurs).
9Ne pas utiliser d'adaptateur pour
supprimer la prise de terre des prises à
trois fiches. Si la prise fournie ne peut pas
être branchée dans la prise électrique,
adressez-vous à un électricen qui
remplacera la prise obsolète.
10 Protégez le cordon secteur afin que l'on ne
marche pas dessus et qu'il ne soit pas
pincé, surtout au niveau des prises, ou à
l'endroit où il sort de l'appareil.
11 Utilisez exclusivement des fixations et des
accessoires recommandés par le fabricant.
12 Débranchez l'appareil en période d'orage
ou s'il doit rester inutilisé pendant
longtemps.
13 Confiez toutes les réparations et
interventions à un personnel qualifié. Une
intervention est nécessaire si l'appareil a
été endommagé d'une façon ou d'une
autre, si son cordon ou sa prise secteur
ont été endommagés, si du liquide a été
renversé ou si des objets sont tombés à
l'intérieur, ou encore si l'appareil a été
exposé à la pluie ou à l'humidité, s'il ne
fonctionne pas normalement, ou s'il est
tombé.
14 Débrancher l'appareil du réseau électrique
par la prise de secteur.
15 Avertissement : afin de réduire le
risque d'incendie ou de choc
électrique, ne pas exposer cet
appareil à la pluie ou à de l'humidité.
16 Avertissement : n'exposez pas cet
équipement aux éclaboussures et
veillez à ce qu'aucun récipient rempli
de liquide, verre ou vase, ne soit posé
dessus.
17 Avertissement : la prise secteur doit
toujours rester directement
accessible.
EC-Declaration of Conformity
Klark Teknik
DOC04-DN530ECDOC Rev. C
EC-Declaration of Conformity
The undersigned, representing the following manufacturer
Manufacturer: Address:
Midas Klark Teknik Ltd. Klark Industrial Park, Walter Nash Road,
Kidderminster. Worcestershire. DY11 7HJ.
hereby declares that the following product
Product Type Number Product Description Nominal Voltage(s) Current Freq.
DN530 Creative Quad Gate
115V AC
230V AC
200mA
100mA
50/60Hz
is in conformity with the regulations of the following marked EC-directives and bears the
-mark accordingly
reference number title
2004/108/EC EMC Directive (EMC)
2006/95/EC Low-Voltage Directive (LVD)
The conformity of the product with EC directives for use in environments E1, E2, E3 and E4 is provided by
the compliance with the following standards:
Standards/date:
reference number title
EN 60065:2002 Audio, video and similar electronic apparatus. Safety requirements.
Applied EMC emission test standards:
w
ref. no. title
EN 55103-1:1996
Class B
EN 55103-1 Annex A: Radiated
magnetic disturbance, 50Hz-50kHz
CISPR 22: Radiated disturbance,
30-1000MHz
EN 55103-1 Annex E: Conducted
disturbance, ac & signal ports
EN 61000-3-2:2006 Mains
harmonics
EN 61000-3-3:1995 Mains voltage
flicker
Applied EMC immunity test standards:
ref. no. title
EN 61000-4-2:1995 Electrostatic
discharge
EN 55103:1996
Class B
EN 61000-4-3:1996: Radiated RF
disturbance, 80-1000MHz
EN 55103-2 Annex A: Magnetic LF
disturbance, 50Hz-10kHz
EN 61000-4-4:1995: Fast transient
bursts, ac & signal ports
EN 61000-4-5:1995: Surge, ac port
EN 61000-4-6:1996: Conducted RF
field, ac & signal ports
EN 61000-4-11:1994: Mains voltage
dips and interruptions
Place, date: Kidderminster, UK
9th February 2011 SVP, Midas Klark Teknik AVP, Product Development Printed name: John Oakley Printed name: Alex Cooper
Precautions
Before installing, setting up or operating this equipment please ensure that you have read
and fully understand all of this section and the “IMPORTANT SAFETY INSTRUCTIONS” at
the front of this manual.
This equipment is supplied by a mains voltage that can cause electric shock injury!
The following special limitations must be observed in order to maintain safety and electromagnetic
compatibility performance.
Safety warnings
This equipment is fitted with a mains
power socket. For safety reasons the
earth leads must not be disconnected.
Signal 0V is connected internally to the
chassis.
To completely disconnect this equipment
from the AC mains, while observing full
safety precautions (see “Power” on
page vii), switch off the mains at the
mains outlet. It is now safe to isolate the
unit by unplugging the mains lead from
its rear panel.
To avoid electrical shock do not remove
covers. Refer servicing to qualified
personnel only.
The power supplies — even the DC ones —
have a high current!
General precautions
The following information gives basic safety
precautions that should be observed to reduce
the risk of fire, electric shock and personal
injury:
• Never operate damaged equipment and
never operate equipment with damaged
cables.
• Do not remove, obscure or deface any
warnings or cautions.
Power
Please note that the system power supplies
contain LETHAL VOLTAGES greatly in excess of
the mains voltage and that its rails can
produce extremely large currents that could
burn out equipment and wiring if shorted. All
testing and servicing must ONLY be carried out
by approved service engineers.
This apparatus should only be operated with
the power supply connected to ground via the
ground in the mains connector.
The internal power supplies are of the switch
mode type that automatically sense the
incoming mains voltage and will work where
the nominal voltage is in the range 100VAC to
240VAC.
When removing the equipment’s electric plugs
from the outlets, always hold the plug itself
and not the cable. Pulling out the plug by the
cable can damage it.
Never insert or remove an electric plug with
wet hands.
Handling the equipment
Completely isolate the equipment electrically
and disconnect all cables from the equipment
before moving it.
When lifting or moving the equipment, always
take its size and weight into consideration.
Do not insert your fingers or hand in any gaps
or openings on the equipment, for example,
vents.
Avoid inserting or dropping foreign objects,
such as paper, plastic, metal etc., into any
gaps or openings on the equipment, for
example, vents. If this happens, immediately
disconnect the equipment from the mains (see
“Safety warnings” on page vii). Then, have
the equipment inspected by the
manufacturer's qualified service personnel.
DN530
Operator Manualvii
Precautions
Installation
Before installing the equipment:
• Power plugs must be inserted in socket
outlets provided with protective earth
contacts. The electrical supply at the
socket outlets must provide appropriate
over-current protection.
• Both the mains supply and the quality of
earthing must be adequate for the
equipment.
• Before connecting up the equipment, check
that the mains power supply voltage rating
corresponds with the local mains power
supply. The rating of the mains power
supply voltage is printed on the equipment.
Location
• Ideally a cool area is preferred, away from
power distribution equipment or other
potential sources of interference.
• Do not install the equipment in places of
poor ventilation.
• Do not install this equipment in a location
subjected to excessive heat, dust or
mechanical vibration. Allow for adequate
ventilation around the equipment, making
sure that its vents are not obstructed. To
prevent excessive heating of the
equipment, avoid mounting it directly
above power amplifiers or other devices
that radiate significant amounts of heat,
such as radiators and heaters. Keep the
equipment out of direct sunlight.
• Make sure that the mains voltage and fuse
rating information of the equipment will be
visible after installation.
Audio connections
To ensure the correct and reliable operation of
the equipment, only high quality balanced,
screened, twisted pair audio cable should be
used.
XLR connector shells should be of metal
construction so that they provide a screen
when connected to the console and, where
appropriate, they should have Pin 1 connected
to the cable screen.
In the event of ground loop problems,
disconnect the signal screen at one end of the
connecting cables. Note that this can only be
done when the equipment is used within a
balanced system.
Radio frequency
interference
Class B device
This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide
reasonable protection against harmful
interference in a residential installation. This
equipment generates, uses, and can radiate
radio frequency energy and, if not installed
and used in accordance with the instructions,
may cause harmful interference to radio
communications. However, there is no
guarantee that interference will not occur in a
particular installation. If this equipment does
cause harmful interference to radio or
television reception, which can be determined
by turning the equipment off and on, the user
is encouraged to try to correct the interference
by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the
equipment and receiver.
• Connect the equipment into an outlet on a
circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio
TV technician for help.
Electric fields
Caution:
In accordance with Part 15 of the FCC
Rules & Regulations, “… changes or
modifications not expressly approved by
the party responsible for compliance
could void the user's authority to operate
the equipment.”
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).
Operation
To avoid electrical shock, never operate the
equipment with the covers removed.
viiiOperator Manual
DN530
Precautions
Safety equipment
Never remove, for example, covers, housings
or any other safety guards. Do not operate
the equipment or any of its parts if safety
guards are ineffective or their effectiveness
has been reduced.
Optional equipment
Unless advised otherwise, optional equipment
must only be installed by service personnel
and in accordance with the appropriate
assembly and usage regulations.
Special accessories
To comply with part 15 of the FCC Rules, any
special accessories (that is, items that cannot
be readily obtained from multiple retail
outlets) supplied with this equipment must be
used with this equipment; do not use any
alternatives, as they may not fulfil the RF
requirement.
Thank you for purchasing a Klark Teknik DN530 Creative Quad Gate. The DN530 is a
user-friendly, high-performance, four-channel (quad) analogue gate designed for live
sound reinforcement with applications in both front-of-house and monitoring situations.
Other possible areas for use include broadcasting, the recording studio and installation.
The DN530 provides a variety of easy-to-use controls for the precise manipulation of
gate parameters. These enable you to use gating for creative and corrective
applications, for example, by using a channel insert on drums.
Your DN530 was conceived by Klark Teknik to offer audio professionals
high-performance audio equipment, designed to provide no-compromise sonic quality
with a feature set that offers all essential facilities and functions. It represents the very
best of British design and engineering combined with contemporary, efficient
manufacturing methods, and will give you many years of reliable service.
All this is backed up, of course, by the standard Klark Teknik three year warranty.
Please take the time to complete and return the registration card or fill in the Warranty
Registration Form online by visiting our website at www.klarkteknik.com and, to obtain
the best results with a minimum of effort, also read this operator manual.
Finally, enjoy your Klark Teknik DN530!
Overview of the DN530
The DN530 consists of four channels of gate mounted in a 1U rack. Full control of all
essential audio-gating parameters is available, including all envelope characteristics.
Additionally, there are external sidechain access points with internal frequency selective
filters.
The main gate controls consist of bypass and duck switches, continuously adjustable
threshold and range controls, and four envelope controls (attack, accent, hold and
release).
External sidechain input and filter solo facilities are provided, which feed a solo bus
output (with input for linking). The sidechain filters consist of a single band pass
section with a frequency control that can sweep the majority of the audio spectrum.
The filter switch activates the filter within the sidechain signal path.
DN530
Operator Manual1
Chapter 1: Introduction
Applications
The DN530 provides a quality, cost effective and compact gating unit presented in a
traditional 1U quad channel format. This makes it suited to applications where space is
limited and is ideal for small touring public address (PA) rigs where the four channels
are enough to cover a small drum kit. The accent feature will largely eliminate the need
for excessive EQ or compression on these channels, which is ideal if the accompanying
console has limited processing facilities.
Other applications include ducking channels to make room for other instruments,
ducking with the sidechain filter active to reduce sibilance, noise gating effects
processors or other noisy sources like guitar amps.
The accent feature is primarily intended for use with gated percussion, but it can also
be used on its own with the gate range set to minimum in order to add punch, as an
effect, to varied sources.
The DN530 has been primarily designed for the following main application areas:
• Touring live sound In applications where analogue consoles are still required due
to their ease of use. Here the DN530 gate would primarily be used for channel
inserts on drums. The quality of sound produced by the accent feature may also
make the unit useful as an insert on digital desks too.
• Theatre live sound Theatres could make use of the gate in the same way as
touring and, for example, may also use it as a noise gate on vocals.
• Corporate live event Used similarly to the touring and theatre live sound
applications.
• Conference and other fixed install Particularly for noise gating, with the small
rack size being an important factor.
2Operator Manual
DN530
Features
The DN530 has the following features:
• The gate action has rock solid triggering.
• Advanced band pass sidechain filter, which is easy to set up.
• Separate (daisy-chainable) solo bus that allows tuning of the sidechain filter, even
• Attack is exponential, so that it can be set extremely fast to reduce signal loss at the
• Release is reverse exponential, so that it can be set relatively fast to blend in
• Ducking.
• Extremely low noise and distortion levels.
• Rotary controls for all envelope characteristics and range.
Features
during the performance.
start of sounds while remaining sonically transparent, that is, with no unwanted
clicks.
seamlessly with the natural decay of the material.
• Progressively controllable accent level that emphasises the start of signals to
increase the dynamic power within percussive signals.
• Comprehensive metering makes set up simple and intuitive.
• Status of bypass, solo and other major switches are boldly presented to avoid
mistakes.
• External sidechain inputs.
About this manual
This is the operator manual for the DN530. It is intended to help get your DN530
installed and in operation as quickly as possible by giving you unpacking, installation,
connection and setting up instructions. To help familiarise you with the DN530 there is
a description of the front and rear panels, along with easy-to-follow user instructions.
DN530
Operator Manual3
Chapter 1: Introduction
4Operator Manual
DN530
Input signal
Time
Signal level
Output signal
Time
Signal level
Signals in
this range
muted
Signals in
this range
muted
Signals in
this range
muted
Music signal
Threshold
Noise
1
2
Chapter 2: What Is A Gate?
The natural sounds of everyday life, which can be caused by anything from, say, the
falling of a leaf to the roar of a jet engine, vary extremely widely in sound level. This
variance is known as the ‘dynamic range’ and is the difference — expressed in
decibels (dB) — between the loudest and quietest sounds in a piece of audio, such as
music or speech, or that can be reproduced by a piece of audio equipment without
distortion.
All of the sounds that we want to listen to, whether natural or electronically processed,
are accompanied by a certain amount of unwanted background noise, such as the rustle
of musicians turning the pages of the score in the studio. Even if, in the final
programme, the noise level is below the ambient noise of the listening area, it may still
be heard and is therefore undesirable.
The gate is a valuable tool for controlling the dynamic range. The gate of the DN530
not only allows you to minimise or eliminate unwanted low level noises, but also gives
you creative possibilities by providing the tools to artistically restructure the dynamics
of a signal.
Principles of gate operation
The gate closes when the input signal falls below threshold (position 1 in Figure 1
below). This cuts off the output signal altogether until the gate opens again (position 2
Figure 1 below) when the input signal goes over threshold.
Figure 1: Gate function
You would normally set the gate threshold below the lowest level of the performance so
as not to lose any of the performance, but eliminating any of the unwanted hum, low
level noise etc.
DN530
Operator Manual5
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