MBL Corona C31 User manual
CD-DAC C
31
PREAMPLIFIER C
11
INTEGRATED AMPLIFIER C
51
STEREO POWER AMPLIFIER C
21
MONO POWER AMPLIFIER C
15
Owner’s Manual
English
WELCOME TO THE WORLD
OF PERFECT SOUND
Thank you for your purchase of a high quality product from MBL. You’ve made the right
choice, and one we hope you’ll never regret. The enthusiasm for pure musical enjoyment
at the highest level binds us together, as well as the pleasure in exclusive and lovingly
crafted products.
The entire MBL team and I personally put our whole heart and great care into developing
and manufacturing our products. The fruit of our labors now stands before you, waiting
to be connected so that it can delight you with your favorite music.
To make your musical enjoyment and the use of your MBL products as trouble-free as possible,
we’ve enclosed a few instructions for connection and operation. We’ve deliberately kept
them short so as not to take up too much of your time, limiting our instructions to the most
important points. By observing these instructions and recommendations, I’m certain you’ll
get many years of enjoyment from your MBL product.
Let yourself be enchanted by the music. Wishing you much musical pleasure,
Christian Hermeling, Owner MBL Akustikgeräte
CONTENTS
Precautionary and safety measures 4
Disposal 9
Warranty 9
1. Package Contents 10
1.1 What you still need 10
2. Device Diagrams 11
2.1 CD-DAC C31 11
3. Connection Diagram 16
3.1 Combination CD-DAC C31 and the Integrated
3.1.1 Connecting the CD-DAC C31 to the Integrated
3.1.2 Wiring the loudspeakers 17
3.2.3 Wiring the speakers 19
3.3.3 Wiring the speakers 22
3.4 Connecting the SmartLink 23
4. General Functions 24
4.2 MBL SmartLink 24
4.3 Display Brightness 24
4.4 Standby 24
5. Menu navigation 25
6. Remote Control 31
7. Technical Data 32
7.1 CD-DAC C31 32
8. Firmware Update 40
9. Cleaning your equipment 40
4
The measures listed here are intended
to prevent the risk of injury and prevent
damage to the product and to your own or
other people's property. Strict compliance
is required for the correct and safe use of
the product.
Keep this manual after reading so that you
can refer to it at any time.
• Have the product checked or repaired only
by the dealer from whom you purchased it
or by qualied personnel at MBL.
• MBL is not liable for personal injury or
material damage resulting from improper
use or modications of the product.
• This product is intended for use in private
households. It is used to play music and
speech. The product is not intended
for concerts or other applications in
commercial or public environments. Do
not use it for applications that require high
reliability, such as life support, health and
care, or protection of valuable assets.
• This product is neither intended nor suitable
for connection to musical instruments
or ampliers of musical instruments or
synthesizers or similar “live” instruments.
UNUSUAL OCCURRENCES
If one of the following abnormalities occurs,
switch o the device immediately and unplug
the power plug from the socket:
– The power cord or the power plug is
damaged
– The device suddenly produces an unusual
odor, unusual noise, or smoke
– Foreign material or water has penetrated
the interior of the speaker or electronic
component
– Unexpected loss of sound or unknown loud
noises occur during use
– The housing has severe cracks or other
damage
Continued use could result in electric shock,
re, and damage to the unit and connected
equipment.
Have the device checked or repaired
immediately by the dealer from whom you
purchased it, or contact qualied personnel at
MBL.
CHOICE OF THE PLACE OF INSTALLATION
Only install the device in closed rooms that
are protected from weather inuences.
Do not place the device in locations that
become very hot (e.g. near a heater) or where
it is exposed to direct sunlight for long periods
of time.
Do not operate the device at temperatures
below 10° C or above 40° C.
PRECAUTIONARY AND
SAFETY MEASURES
PLEASE READ CAREFULLY BEFORE INSTALLING
AND USING THE PRODUCT.
When choosing a location for installation,
make sure that the device is adequately
ventilated, otherwise it may overheat.
• Do not cover the device with a cloth
• Do not place the device on a thick carpet
or blanket
• Do not cover the ventilation openings of
the device (cooling slots / heat sinks)
• Do not use the device in a closed cabinet
or other conned space without sucient
ventilation
Failure to follow the above instructions
may cause heat to build up inside the unit,
which could result in re or malfunction.
Always ensure that there is sucient space
around the device: at least 15 cm at the top
and 5 cm on all sides.
Place the device at least 2 meters away from
sources of electrical interference such as
uorescent tubes, cell phones, WLAN devices,
or motors.
Do not place the device in locations where
it is exposed to strong dust, corrosive gases,
or salty air.
SETTING UP AND CONNECTING THE DEVICE
Do not connect musical instruments (e.g. electric
guitar, etc.) directly to the device. This improper
use of a component designed exclusively for
music playback can lead to irreparable damage
to the entire music system.
If the ambient temperature has changed
drastically (e.g. during transport or in case
of rapid heating/cooling), condensation may
have formed. In this case, leave the unit
unused and switched o for several hours
until it is dry enough to operate. Using the
device when condensation has occurred can
cause malfunction and damage to the device.
Always place the unit horizontally on all feet
of the housing so that the unit stands rmly
and straight.
Never place the unit on an unstable surface
that cannot support the weight of the unit or
where it could accidentally fall or overturn.
Secure furniture that supports the unit
against falling by anchoring it to the wall.
Non-observance of these points could result
in life-threatening injuries.
If the device is particularly heavy ( > 25 kg), you
should always set it up, adjust or transport it
with assistance. If you try to lift the device alone
and without assistance, you could seriously
injure your back, ngers or feet, or damage the
device. It is best to hire professional persons
experienced in handling such loads.
When setting up the unit, take care not to drop
it or subject it to strong impacts.
Before moving the device, all connecting cables
must be disconnected. Otherwise, the cables
and connections may be damaged and you or
other persons may trip and fall over them.
When connecting external devices, read their
instructions carefully and follow them. Failure
to do so may result in damage to the speaker
or external equipment.
Route the speaker cables so that they cannot
be damaged. In particular, cables should not
be routed over hard, sharp edges, have other
objects standing on them or get trapped, and
should not be bent in too tight a radius. In
addition, the cables should NOT be placed in
such a way that they become a risk for falling
or tripping.
Do not touch the speaker terminals when the
unit is on and playing audio as this may result
in painful and hazardous electric shock.
CAUTION
Failure to follow the measures listed below
can result in life-threatening electric
shock, re, and damage to the device and
connected equipment.
POWER SUPPLY
When setting up the device, make sure that the
mains socket is easily accessible. If problems
or malfunctions occur, turn the component o
immediately and unplug the power cord from
the wall outlet. Even if the power switch is
turned o, the component is not disconnected
from the power supply as long as the power
cord is connected to the power outlet.
Only use the device with the mains voltage
specied on the device.
Do not use a power socket in which the power
plug is not suciently tight. Always insert the
power plug completely into the power socket.
When you unplug the power plug, always
pull on the plug itself and never on the cable.
When unplugging the power plug, hold the
power socket rmly so that it is not pulled out
or damaged.
Only use the power cable included in the
delivery or an equivalent power cable. Do not
use the supplied power cord for other devices.
Do not use a damaged power cord and
protect the power cord from damage by
– keep away from heaters and other
heat sources
– do not bend
– do not change/alter
– do not expose to heavy loads by pressure or
tension
Regularly check the condition of the power
plug and remove any dirt or dust that has
accumulated on it.
Do not touch the unit or the power cord when
there is a risk of lightning.
If the unit is not expected to be used for a
long time, disconnect the power cord from the
wall outlet.
ATTENTION
Failure to follow the measures listed below
may result in re, burns to skin and eyes,
blindness, and damage to the device.
USING RECHARGEABLE BATTERIES
AND BATTERIES
Keep batteries out of the reach of children.
Children may accidentally swallow batteries.
Take a child who has swallowed a battery to a
doctor immediately! Failure to do so may also
result in burns from leaking liquid.
Never use batteries other than those specied.
Never use new batteries together with old
ones, or batteries of dierent types or from
dierent manufacturers. If possible, only use
batteries from the same packaging together.
Always make sure that all batteries are
inserted according to the polarity markings
(+/–).
If the batteries are empty or if you do not
use the unit for a long period of time, please
remove the batteries from the remote control
to avoid damage due to battery leakage.
Do not place the batteries in a bag or other
container together with metal objects. The
battery may short circuit and burst or leak,
causing re or injury.
7
Before storing or disposing of batteries, you
should isolate the area around the poles with
tape or other suitable protective material.
Mixed storage with other batteries or metal
objects may cause re, burns or ignition from
leaking battery uid.
Do not disassemble batteries and accumulators.
If the contents of the rechargeable battery or
battery get on your hands or in your eyes, they
may cause blindness, skin irritation or burns.
Do not throw batteries into re. Do not expose
an accumulator or battery to excessively high
temperatures such as direct sunlight or re.
This may cause the battery to burst and cause
re or injury.
Never attempt to charge batteries that are
not intended for multiple use and recharging.
Charging may cause the battery to burst or
leak, causing re or injury.
If batteries or rechargeable batteries leak,
avoid any contact with the leaked liquid. If
the battery uid comes in contact with eyes,
mouth or skin, immediately rinse with water
and seek medical attention. Battery uid is
corrosive and may cause vision loss or burns.
REMOTE CONTROL INFRARED EMITTER
The remote control uses an IR transmitter
diode. This is located on the front of the
remote control. Do not look directly into it and
keep a distance of at least 20 cm to your eyes.
Do not point IR emitters directly into the eyes
of other people or living beings.
DO NOT DISASSEMBLE
Never attempt to disassemble, modify or
repair the device yourself. This could result
in re, electric shock, injury, malfunction or
damage.
DO NOT INSERT ANY OBJECTS INTO
THE DEVICE
Do not insert foreign objects such as metal or
paper into the device. Failure to follow these
instructions may result in re, electric shock,
injury or malfunction.
DANGER FROM WATER OR OTHER LIQUIDS
Protect the device from rain, water and
moisture and do not place containers lled
with liquids such as vases, bottles or glasses
on top of it. Liquids entering the device may
cause re, electric shock, malfunction, and
damage.
Never insert or remove the power plug with
wet hands. Never touch the appliance with
wet hands. Failure to follow these instructions
may result in electric shock or malfunction.
FIRE HAZARD
Keep burning objects and naked ames away
from the unit. In particular, do not place
candles on or near the unit.
EARTHQUAKE OR SIMILAR DANGEROUS
SITUATIONS
Avoid staying near the equipment in
hazardous situations such as an earthquake,
as the equipment could fall or slip and cause
serious injury. Find a safe place away from the
device immediately.
HIGH VOLUME LEVELS WHEN SWITCHING
ON OR DURING OPERATION
Do not listen at high or uncomfortable
volume levels for long periods of time as this
may result in permanent hearing loss. If you
experience hearing loss or ringing in your
ears, consult a physician.
Before connecting the device to a loudspeaker,
turn it o.
Before turning components on or o,
make sure that the volume controls on all
components are set to minimum. Failure to do
so may result in hearing loss, electric shock, or
damage to the speaker.
Always turn on the amplier LAST within
the audio chain to prevent hearing loss and
damage to the speakers.
For the same reason, turn the amplier OFF
FIRST.
Failure to follow the above instruction may
cause hearing loss or damage to the speakers.
AVOID DURING USE:
Sitting or standing on the housing or placing
heavy objects on the housing. This could cause
structural damage to the speakers as well as
damage to the high-quality and sometimes
delicate surfaces.
Placing any objects on parts of the cabinet as
this may damage or discolor the surfaces.
Applying excessive force to controls, switches,
terminals and other parts of the speakers.
Touching and pulling on the connected cables.
The CD-DAC C31 works internally with a
Class 1 laser. The device should not be opened,
no internal covers removed and not operated
in this way! The laser beam can damage your
eyesight! Do not look directly into the beam!
Unplug the device before opening it!
CLEANING AND MAINTENANCE
Before cleaning the device, unplug the power
plug from the socket. Failure to do so may
result in a health hazard, electric shock, and
damage to the unit or connected equipment.
Clean the appliance only with a dry, soft cloth.
First check in an invisible place to see if the
cloth leaves any micro-scratches. The use of
chemicals such as benzine or thinner, strong
detergents, or abrasive cleaners may cause
discoloration or damage to the surface.
9
CE-MARKING
All MBL devices comply with the safety and EMC guidelines in the area of
the European Union.
FCC-MARKING
WARRANTY
Please pay attention to the details given in the warranty card which accompanies the unit.
Warranty is only issued, if you send back the warranty card.
DISPOSAL
CONSUMER INFORMATION ON THE COLLECTION AND DISPOSAL
OF OLD ELECTRICAL APPLIANCES AND USED BATTERIES
Dispose of used batteries and
accumulators in accordance with the
applicable regulations.
If these symbols are found on
the products, packaging and/or
enclosed documents, used electrical
appliances and batteries should
not be disposed of with normal
household waste. In accordance with
your national regulations, please take
old equipment and used batteries to
the appropriate collection points for
proper disposal, recycling and reuse.
By disposing of electrical equipment
and batteries correctly, you will help
to conserve valuable resources and
prevent potential negative eects on human
health and the environment which could
otherwise be caused by inappropriate waste
disposal. For more information about collecting
and recycling old electrical equipment and
batteries, please contact your local city or
municipal government, waste disposal service
or the seller of the product.
Information for business users in the
European Union:
If you wish to dispose of electrical equipment,
please contact your dealer or supplier for
more information.
Disposal information for countries outside
the European Union:
These symbols are only valid within the
European Union. If you wish to dispose of such
items, please contact your local authorities
or your dealer and ask for the appropriate
disposal method.
Note about the battery symbol
(two symbol examples below):
This symbol can also be used in combination
with a chemical symbol. In this case, it
complies with the requirements of the EU
Battery Directive on the use of chemicals.
1. PACKAGE CONTENTS
A power supply cable
A system remote control
White gloves
Manual
1.1 WHAT YOU STILL NEED
To connect the components of your Cadenza Line stereo system,
Audio connection cable
Loudspeaker cable
Your dealer will gladly advise you on the choice of the best audio cable. Please also
2. DEVICE DIAGRAMS
2.1 CD-DAC C31
Analog outputs
Digital output
Digital inputs
Connector for
power cord
Power switch
Fuse holder
Update
Interface
MBL
SmartLink
Context-Sensitive
Control Buttons
“softkeys”
CD slot
Touchpad
Standby button
Display
2.2 PREAMPLIFIER C11
Ground Connector
for optional
phono modul
XLR input
Cinch- / RCA outputs
Record Out
Update
interface
MBL
SmartLink
Processor
Cinch- / RCA inputs
Connector for
power cord
Power switch
Fuse holder
Context-Sensitive
Control Buttons
“softkeys”
DisplayVolume control
Standby button
Touchpad
optional input
Touchpad
2.3 INTEGRATED AMPLIFIER C51
Speaker
terminals
Processor
Cinch- / RCA inputs
Connector for
power cord
Power switch
Fuse holder
Update
interface
MBL
SmartLink
Ground Connector
for optional
phono modul
XLR input
Cinch- / RCA outputs
Record Out
Out
Context-Sensitive
Control Buttons
“softkeys”
DisplayVolume control
Standby button
optional input
2.4 STEREO POWER AMPLIFIER C21
XLR input
Speaker
terminals
left
Speaker
terminals
right
Cinch- / RCA input
Update
interface
MBL
SmartLink
Connector for
power cord
Power switch
Fuse holder
Display
Standby button
Touchpad
2.5 MONO POWER AMPLIFIER C15
XLR input
Speaker terminals
Cinch- / RCA input
Update
interface
MBL
SmartLink
Connector for
power cord
Power switch
Fuse holder
Context-Sensitive
Control Buttons
“softkeys”
Display
Standby button
Touchpad
3. CONNECTION DIAGRAM
In the following section we take you step by step to ensure correct wiring of the
dealer will be glad to advise you. ATTENTION: Unplug the power cord before starting
wiring!
3.1 COMBINATION CD-DAC C31 AND THE INTEGRATED AMPLIFIER C51
single-ended
(symmetrical or balanced
– 2 loudspeaker cablesl
3.1.1 CONNECTING THE CD-DAC C31 TO THE INTEGRATED
AMPLIFIER C51
source end securely to the CD-DAC in
the pair of sockets labelled RCA in the Output group of connections. If the cable features
a drawing of a signal direction arrow, secure the cable end in the socket of the CD-DAC
whose arrow is pointing away from the CD-DAC.
labelled CD1 or whichever input you desire. Please ensure that the same channels are
CD-DAC C31 Integrated Amplier C51
C31
C51
3.1.2 WIRING THE LOUDSPEAKERS
Take one of the loudspeaker cables and connect one end to the loudspeaker terminal on
loudspeaker. Please ensure that the red part of the cable is connected to the positive
Lor R
connection.
Integrated Amplier C51
right speaker left speaker
C51
3.2 COMBINATION CD-DAC C31, PREAMPLIFIER C11 AND STEREO
POWER AMPLIFIER C21
single-ended
balanced
NOTE:
types together simultaneously. Connections consisting of both types of cable lead to
interference and impairment of sound quality.
– 2 loudspeaker cables
C31
C11
C21
3.2.1 WIRING THE CD-DAC C31 WITH THE PREAMPLIFIER C11
source end securely to the CD-DAC in
the pair of sockets labelled RCA in the Output group of connections. If the cable features
a drawing of a signal direction arrow, secure the cable end in the socket of the CD-DAC
whose arrow is pointing away from the CD-DAC.
CD1 or
whichever input you desire. Please ensure that the same channels are connected together
3.2.2 WIRING THE PREAMPLIFIER C11 WITH THE STEREO
POWER AMPLIFIER C21
the pair of sockets labelled OUT 1
RCA. Please ensure that the same
C31
C11
C11
C21
CD-DAC C31
Preamplier C11
Preamplier C11
Stereo Power Amplier C21
Stereo Power Amplier C21
C21
3.2.3 WIRING THE SPEAKERS
Take one of the loudspeaker cables and connect one end to the loudspeaker terminal on
loudspeaker. Please ensure that the red part of the cable is connected to the positive
Lor R
side connection.
right speaker left speaker
20
3.3.1 WIRING THE CD-DAC C31 WITH THE PREAMPLIFIER C11
CD-DAC in the pair of sockets labelled RCA. If the cable is directional and the plug features
a drawing of an arrow, secure the cable end in the socket of the CD-DAC whose arrow is
pointing away from the CD-DAC.
CD1.
Please ensure that the same channels are connected together in the two devices (right to
C31
C11
C15
C31
C11
3.3 COMBINATION CD-DAC C31, PREAMPLIFIER C11 AND
MONO POWER AMPLIFIER C15
single-ended
balanced
In this case the amplifers should be used with the XLR High setting as described in
shows the XLR variant.
– 1 balanced XLR pair of cables
– 2 loudspeaker cables
CD-DAC C31 Preamplier C11
This manual suits for next models
4
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