CD Series Amplifiers
User Manual
Order codes:
AMP06 - CD 5000
AMP07 - CD 8000
Safety advice
WARNING
FOR YOUR OWN SAFETY, PLEASE READ THIS USER MANUAL
CAREFULLY BEFORE YOUR INITIAL START-UP!
• Immediately upon receiving this product, carefully unpack the carton and check the contents to ensure that all the parts are present.
• Before initial start-up, please make sure that there is no damage caused during transportation.
• Should there be any damage, consult your dealer and do not use the equipment.
• Retain the carton and all packaging materials.
• In the event that the equipment must be returned to the supplier, it is important that the equipment is returned in the original carton and packaging.
• To maintain the equipment in good working condition and to ensure safe operation, it is necessary for the user to follow the safety instructions and warning notes written in this manual.
• Please note that damages caused by user modifications to this equipment are not subject to warranty.
CAUTION!
KEEP THIS EQUIPMENT
AWAY FROM MOISTURE,
RAIN AND LIQUIDS, AND
OUT OF DAMP/HUMID
ENVIRONMENTS
CAUTION!
TAKE CARE USING
THIS EQUIPMENT!
HIGH VOLTAGE-RISK
OF ELECTRIC SHOCK!!
IMPORTANT:
The manufacturer will not accept liability for any resulting damages caused by the non-observance
of this manual or any unauthorised modification to the equipment.
• Never let the power cable come into contact with other
cables. Handle the power cable and all mains voltage
connections with caution!
• Never remove warning or informative labels from the
equipment.
• Do not open or modify the equipment.
• Do not connect this equipment to a dimmer-pack.
• Do not switch the equipment on and off in short intervals,
as this will reduce the system’s life.
• Only use the equipment indoors.
• Do not expose to flammable sources, liquids or gases.
• Always disconnect the power from the mains when
equipment is not in use or before cleaning! Only handle
the power cable by the plug. Never pull out the plug by
pulling the power cable.
• Make sure that the available voltage is between 220-240V, 50/60Hz AC.
• Make sure that the power cable is never crimped or damaged. Check the equipment and the power cable periodically.
• If the equipment is dropped or damaged, disconnect
the mains power supply immediately. Have a qualified
engineer inspect the equipment before operating again.
• If the equipment has been exposed to drastic temperature
fluctuation (e.g. after transportation), do not switch it on
immediately. The arising condensation might damage the
equipment. Leave the equipment switched off until it has
reached room temperature.
• If the product fails to function correctly, discontinue use
immediately. Pack securely (preferably in the original
packing material), and return to your dealer for service.
• Only use fuses of same type and rating.
• Repairs, servicing and power connection must only be
carried out by a qualified technician. THIS UNIT CONTAINS
NO USER SERVICEABLE PARTS.
• WARRANTY: One year from date of purchase.
OPERATING DETERMINATIONS
If this equipment is operated in any other way, than those described in this manual, the product may suffer damage and the warranty becomes void. Incorrect operation may lead to danger e.g: short-circuit, burns and electric shocks etc.
In case of malfunction this unit should be returned for service or inspection.
Do not endanger your own safety and the safety of others!
Incorrect installation or use can cause serious damage to people and/or property.
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CD Series Amplifiers User Manual
2
Product overview & technical specifications
CD Series Amplifiers
The CD series feature
high power, outstanding
sound quality and superior
stability for a wide range of
installed sound systems as
well as portable live sound
applications. Available
with outputs up to 8000W
this series feature class D
technology in a compact
2U package. Automatic
clip limiting along with high
efficiency tunnel cooling
and DC fans ensure
reliability time after time.
•Protection circuits: Soft
start, limit, thermal, short
circuit, overload, DC fault
protection & AC power
supply fuse
•LED indicators: Power,
active, signal & clip
•Input connections:
2 x XLR sockets, 1 x
powerCON input
•Output connections: 2 x
speakON connectors and
2 pairs of binding posts
•Additional features:
Switchable stereo,
parallel and bridge and
low pass filter
CD 5000
CD 8000
Specifications
CD 5000
CD 8000
Power output @ 8Ω
2 x 1000Wrms
2 x 1500Wrms
Power output @ 4Ω
2 x 1700Wrms
2 x 2500Wrms
Power output @ 2Ω
2 x 2500Wrms
2 x 4000Wrms
Power output bridge @ 8Ω
1 x 3400Wrms
1 x 3400Wrms
Power output bridge @ 4Ω
1 x 5000Wrms
1 x 5000Wrms
Frequency response
20Hz to 20kHz
20Hz to 20kHz
Input sensitivity
1.2V, 32dB or 26dB
1.2V, 32dB or 26dB
Min. Load impedance (Stereo)
2Ω
2Ω
Min. Load impedance (Bridge)
4Ω
4Ω
Power supply
220-240V AC 50/60Hz
220-240V AC 50/60Hz
Power consumption
1200W (1/8 power @ 8Ω)
1860W (1/8 power @ 8Ω)
Dimensions
88 x 483 x 460mm
88 x 483 x 460mm
Weight
9.5kg
10.8kg
Order code
AMP06
AMP07
483mm
460mm
88mm
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CD Series Amplifiers User Manual
3
Technical specifications
Front panel
01
CLIP
-10dB
-20dB
CD8000
SIGNAL
-80
ON
0dB
POWER
CH A
05
02
-80
0dB
CH B
03
02
04
01 - Clip LEDs - These LEDs flash red to indicate when the
output of the amplifier has reached the maximum, and is
right on the edge of clipping. Clipping is bad for speakers
and should be avoided. It is okay if the LED blinks
occasionally. It means that the transient peaks of the
music are just hitting the full output of the amplifier.
02 - Gain control - These two knobs control the levels of
Channels 1 and 2. Usually, these controls are set all
the way up. After you have set the levels for the mixer
(or other signal source), adjust the Level controls on
the amplifier as the final adjustment to set the overall
volume for the system. In stereo and mono mode, use both level controls to control the levels going to each speaker. In bridged
mode, turn the channel 2 level control down, and just
use the channel 1 control.
03 - Power LED - This LED illuminates when the amplifier is switched on
04 - Signal LEDs - These LEDs illuminate when the amplifier
is relieving an input signal
05 - Power switch - Press this switch to power on the amplifier
Amplifiers should be the last device in the audio chain to
be powered on.
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CD Series Amplifiers User Manual
4
Rear panel
05
01
02
06
07
03
04
08
01 - These balanced XLR outputs can be used to pass
through the signal to additional power amplifiers.
02 - XLR inputs - These inputs allow you to connect balanced
XLR plugs. These are wired with pin 2 hot, pin 3 cold and
pin 1 ground
03 - There are two ways of connecting your speakers: Locking speaker connectors or binding posts. The connectors are wired in parallel. (e.g. Channel 1
binding post and locking speaker connectors are in
parallel and the same for channel 2).
When the amplifier is used in bridged mono mode use
the output bridge locking speaker connector or the two
red binding posts.
04 - Locking power socket - This is where you connect the
detachable locking power cable. Connect the other end
to a 220-240V, 50/60Hz AC outlet.
05 - Amp mode - This switch determines the input signal
routing within the amplifier. For most applications stereo
will be used. Stereo mode - This is the "normal" way of using the
amplifier, in which each channel is fully independent.
Separate signals connect at the inputs, the gain knobs
control their respective channels, and separate speakers
connect to each output.
Examples:
• Two-channel (stereo) playback.
• Two independent mono signals, such as main and
monitor mixes.
• Bi-amped operation, with the low frequencies in
Channel 1 and the highs in Channel 2.
Parallel mode - This mode is just like Stereo mode,
except that the inputs for Channel 1 and Channel 2 are
internally connected together. A signal into any input
jack will therefore drive both channels directly. Each
channel's gain control still functions as usual, and each
channel feeds its own speaker load. You can patch the
input signal on to additional amplifiers by using any of
the remaining input jacks.
Example:
• One mono signal driving both channels, with
independent gain control for each speaker system.
Bridge mode - This mode combines the full power
capabilities of both channels into a single speaker
system. The amplifier internally re-configures so that
both channels operate as a unit. This delivers double the
output voltage, resulting in four times the peak power
and three times the sustained power into a single 8- or
4-ohm speaker load. Connections for bridge mono mode
are different to those used in Stereo or Parallel mode.
Examples:
• Driving a single 8-ohm speaker with the combined
4-ohm power of both channels.
• Driving a single 4-ohm speaker with the combined
2-ohm power of both channels.
Precautions: Bridge Mono mode makes it possible
to drive thousands of watts into a single speaker.
AC current consumption will usually be higher. Avoid
excessive signal level, and make sure the wiring and
speaker can handle the power.
06 - The Gain sets the input sensitivity of the amplifier
dependant on the signal being sent from the pre-amp or
mixer etc.
07 - The low cut filter rolls off signals below either 30Hz or
50Hz. This improves bass performance by limiting subaudio cone movement. As a rule, full range speakers
will sound better with the filtering activated. The 50Hz
filter works well with most compact full-range speakers,
and has a slight boost at 100Hz for greater fullness.
The 30Hz filter is intended for subwoofers and large
full-range cabinets. The "off" position should be used
only for applications such as studio playback monitoring,
where you need to know if there are unwanted sub-audio
signals present in your mix.
08 - Circuit breaker - If the amplifier is over driven or a
serious problem occurs the resettable circuit breaker
may be activated. Push to reset the circuit breaker
when necessary to restore power to the amplifier. If the
breaker will not reset, contact your nearest authorised
repair centre for assistance.
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CD Series Amplifiers User Manual
5
Operating instructions
Rack installation
The CD Series is built for 19” racks. The rack you use should be a ‘double door rack’ where you can
open the front and rear panel. When mounting the amplifier into the rack, please make sure that there
is enough space around the amplifier.
Be careful when mounting the amplifier into the rack. Put the heaviest products into the lower part of the rack. Be aware that fastening the amplifier with four screws on the front panel is not enough.
If the racks are being transported or used for mobile use, additionally fasten the products by
connecting the rear brackets with the side or ground bars of the rack. In this way, the amplifier
cannot be pushed backwards. The front panel is not designed to absorb acceleration forces
occurring during transportation.
Inputs
Short cables runs improve the sound quality remarkably. Input cables should be short and direct,
since high frequencies will mostly be absorbed if the cables are unnecessarily long. Besides that a
longer cable may lead to humming and noise problems. If the cable runs are unavoidable, you should
use balanced cables.
Outputs
The high damping factor of your amplifier supplies a clear sound reproduction.
Unnecessarily long and thin cables will influence the damping factor and thus the low frequencies in a negative way. In order to safeguard good sound quality, the damping factor should lie around 50.
The longer a cable has to be the thicker it should be, as a minimum 2.5m2 should be used, however
4.0m2 or 6.0m2 is recommended.
Connect your speaker systems via the locking speaker connectors or the Banana/Screw combination
(red+, black-)
Connection to the mains
Connect the amplifier only after having made sure that the correct voltage (220-240V) is supplied and
that the ground cable is earthed. This product falls under Class 1. Do not detach the ground cable.
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CD Series Amplifiers User Manual
6
Operating instructions
Operation
After having connected your amplifier to the mains, turn both gain controls counter clockwise to the “-80” position. The last product to be switched on is amplifier. The “ON” LED lights up now. If it does not, check if the amplifier is connected to the mains correctly.
After having powered on the amplifier, turn the gain controls of your amplifier to mid-position. Now adjust the volume with the gain controls CH A and CH B.
All important operating modes of the amplifier are arranged on the front panel.
-10 dB to -20dB - Output level
Clip - Short circuit or impedance too low or signal distorted
If you want to switch off the system, switch off the amplifier first in order to avoid acoustic shocks on the speakers.
Problem Chart
Problem
Cause
Solution
No power
The power cable is not connected
Check the power cable and any extension cables
No sound
The power cable of the respective product is
not connected correctly or not at all.
Check the power cable and if the plugs are properly
connected with the sockets
The connection socket or the plug is dirty
Clean the socket and/or the plug
Noise
The input signal is too strong
Reduce the input signal via the gain control
Fan does not work,
LEDs do not light up
The power cable is not connected
Connect the power cable
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CD Series Amplifiers User Manual
7
WEEE notice
Correct Disposal of this Product
(Waste Electrical & Electronic Equipment)
(Applicable in the European Union and other European countries
with separate collection systems)
This marking shown on the product or its literature, indicates that it should not be disposed with other household wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other
types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product, or their
local government office, for details of where and how they can take this item for environmentally
safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.
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CD Series Amplifiers User Manual
8
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