Classe Audio CA-2100 - 3 Manuel utilisateur
Owner’s Manual
CA-2100
Power Amplifier
Manuel d’utilisation
CA-2100
Amplificateur de Puissance
Manual de Instrucciones
CA-2100
Etapa de Potencia
Bedienungsanleitung
CA-2100
Endstufe
Manuale di Istruzioni
CA-2100
Amplificatore finale di potenza
Gebruiksaanwijzing
CA-2100
Twee Kanaals Eindversterker
ESPAÑOLITALIANODEUTSCHFRANÇAISENGLISH NEDERLANDS
2
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO
NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED PERSONNEL.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
ENGLISH
NOTICE
All of us at Classé take extreme care to ensure that your purchase will remain a prized investment. We are proud to inform you that all
Classé components have been officially approved for the European Community (CE) mark.
This means that your Classé product was subjected to the most rigorous manufacturing and safety tests in the world. The CE mark certifies
that your purchase meets or exceeds all European Community requirements for unit-to-unit consistency and consumer safety.
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 gener-
ates, 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 interference to radio or television reception, which can be determined by turning the equipment on and off, 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 the 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.
CAUTION: Changes or modifications to this equipment not expressly approved by the manufacturer could void the user’s authority to
operate the equipment.
The information contained in the manual is subject to change without notice. The most current version of this manual will be posted on
our web site at http://www.classeaudio.com.
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
appliance.
Marking by the “CE” symbol (shown left) indicates compliance of this device with the EMC
(Electromagnetic Compatibility) and LVD (Low Voltage Directive) standards of the European
Community.
Classe products are designed to comply with international directives on the Restriction of Hazardous
Substances (RoHS) in electrical and electronic equipment and the disposal of Waste Electrical and
Electronic Equipment (WEEE). The crossed wheelie bin symbol indicates compliance and that the
products must be appropriately recycled or processed in accordance with these directives.
3
Important Safety Instructions
Caution:
Please read and observe all warnings and instructions in this owner’s manual and all those
marked on the unit. Retain this owner’s manual for future reference.
1. Do not attempt to service this product yourself. Do not open the cover for any reason. There are no
user-serviceable parts inside. An open unit, particularly if it is still connected to an AC source, presents
a potentially lethal shock hazard. Refer all questions to authorized service personnel only.
2. To prevent fire or shock hazard, do not expose the unit to water or moisture. If a liquid does enter
your component, immediately disconnect it from the AC mains and take it to your Classé dealer for a
thorough check-up.
3. Do not place your component near any heat-producing device such as a radiator, stove, etc., Keep
it away from direct sunlight.
4. Connect your component only to an AC source of the proper voltage. The shipping container and
the rear panel serial number tag will indicate the proper voltage. Use of any other voltage may damage
the unit and void the warranty.
5. AC cords should be routed so that they are not likely to be walked on or pinched by items
placed upon or against them. Do not stress the AC cord by stretching it to reach a plug. If damage
does occur to the AC cord, take it to your Classé dealer for a thorough check-up and proper repair or
replacement.
6. If your component will be out of use for an extended period of time (vacation, etc. ), you may wish
to unplug the power cord from the AC source to prevent any chance of problems from a voltage surge
or lightning strike.
7. NEVER wet the inside of this product with any liquid.
8. NEVER pour or spill liquids directly onto this unit.
9. NEVER block air flow through ventilation slots or heatsinks.
10. NEVER bypass any fuse.
11. NEVER replace any fuse with a value or type other than that specified.
12. NEVER attempt to repair this product. If a problem occurs, contact your Classé dealer.
13. NEVER expose this product to extremely high or low temperatures.
14. NEVER operate this product in an explosive atmosphere.
15. ALWAYS unplug sensitive electronic equipment during lightning storms.
Please record the serial number of your new Classé component here for future reference.
Serial #: __________________
ENGLISH
4
ENGLISH
Contents
Welcome to the Classé family ..........................................................................5
a word about installation .......................................................................................5
Unpacking and Placement ...............................................................................6
unpacking your amplifier .......................................................................................6
placement ..............................................................................................................6
ventilation .............................................................................................................6
custom installations ...............................................................................................7
serial number .........................................................................................................7
register your purchase! ...........................................................................................7
operating voltage ...................................................................................................7
warm up/break-in period .......................................................................................8
please read this manual… ......................................................................................8
Special Design Features ...................................................................................9
highly refined circuit design ...................................................................................9
extensive listening tests ..........................................................................................9
extraordinary longevity ........................................................................................10
robust protection .................................................................................................10
Front Panel .....................................................................................................11
Rear Panel .....................................................................................................13
Initial Setup ...................................................................................................18
configuring balanced/single-ended operation .................................. 18
configuring amplifier turn-on delay/amp no. .................................... 19
Care and Maintenance ...................................................................................20
Troubleshooting .............................................................................................21
Specifications ................................................................................................23
Dimensions .................................................................................................134
5
ENGLISH
Welcome to the Classé family
Congratulations on your purchase of a Classé product. It is the result of many
years of continuous refinement, and we are sure that you will enjoy it for many
years to come.
We value our relationship with our customers. Please allow us to stay in touch
with you by returning your warranty card now, before you pack up the shipping
carton of your new product and forget all about it. Doing so will enable us to
let you know about any possible future upgrades or updates that might become
available for your Classé component.
Sending in your warranty card also registers your product with us so that
warranty service can be obtained easily and quickly, even if you have mislaid
your original sales slip.
Please, take a few minutes to fill out the warranty registration
card, and drop it in the mail.
You will find the warranty registration card at the end of the separate warranty
policy booklet, enclosed.
a word about installation Every effort has been made to make the Classé CA-2100 simple and
straightforward to install and use.
Still, we have no way to evaluate many other variables such as the size and shape
of your room, its acoustics, and the associated equipment you have chosen to use
with your amplifier. All of these factors influence the ultimate performance of
your system.
For this reason, we strongly encourage you to have your system
installed and calibrated by your dealer, whose experience,
training, and specialized equipment can make a profound
difference in the final performance of the system.
6
ENGLISH
Unpacking and Placement
unpacking your amplifier Carefully unpack your power amplifier according to the supplied instructions,
and remove all accessories from the carton. Please take care when lifting the
amplifier, as it is quite heavy.
Important! Keep all packing materials for future transport of your Classé
product. Shipping your new component in anything other than
its purpose-designed packing material may result in damage
that is not covered by the warranty.
placement There are two options when placing your power amplifier: you may place it close
to the speakers, requiring longer interconnecting cables from the preamplifier; or
place it close to the preamplifier, requiring longer speaker cables.
Although either approach will yield excellent performance, you might consider
the first option for two reasons. First, signal quality degrades more easily when
transmitted as a combination of both high voltage and high current, suggesting
that speaker cables should be kept as short as practical. Second, high quality
amplifiers use massive power supplies which inevitably radiate some degree of
magnetic fields. Ideally, one would separate these fields from sensitive source
components by a reasonable distance.
If it is more convenient for you to place the amplifier in an equipment rack,
along with your other components, we suggest placing it at the bottom of the
rack, well away from your source components and preamplifier. This location
will also be more stable than placing such a heavy component near the top of a
rack, which might make it top-heavy.
Note that adequate clearance for the AC cord and connecting cables
must be left behind the CA-2100. We suggest leaving eight inches
(20 cm) of free space behind your power amplifier to allow all cables
sufficient room to bend without crimping or undue strain.
ventilation Your Classé power amplifier generates a certain amount of heat in the course
of normal operation. Be sure to allow six inches of clearance above it and
three inches to each side to allow heat dissipation through air circulation. The
vents on both the bottom and the top of the CA-2100 must be kept free from
any obstruction which would reduce the flow of air through the unit. Avoid
placement on soft surfaces that would restrict airflow (such as plush carpeting).
7
ENGLISH
custom installations Drawings are included in this manual to facilitate special installations and
custom cabinetry (see the section Dimensions). An optional, purpose-designed
rack mount kit is available for this product. Contact your Classé dealer for more
information.
serial number The serial number for your power amplifier is found on the rear of the unit.
Please note and record this number on the page entitled Important Safety
Instructions for your future reference.
register your purchase! Having found the serial number, now would be a good time to fill out the
registration card. Please register your purchase so we can advise you of updates
and other items of interest.
It will take only a minute or so. Please complete the card now, before you forget.
operating voltage The CA-2100 power amplifier is set at the factory (internally) for 100V, 120V,
230V, or 240V AC mains operation, as appropriate for the country in which
it is to be sold (230V only in European Union countries, in compliance with CE
regulations). The voltage setting may not be changed by the user or dealer.
Make sure that the label on the rear panel of your power amplifier indicates
the correct AC operating voltage for your location. Attempting to operate your
power amplifier at an incorrect voltage may damage the unit.
Warning: The voltage setting of your power amplifier may not be changed
by the user. There are no user-serviceable parts within the
unit. Please refer any problems to an authorized Classé service
center.
If the AC mains voltage indicated on your power amplifier is incorrect, please
contact your local, authorized Classé dealer or distributor.
The CA-2100 can easily be powered by a normal 15-ampere AC mains line. If
other devices are also powered from the same AC line, their additional power
consumption should be taken into account.
8
ENGLISH
The CA-2100 includes protection circuitry that will prevent the amplifier from
operating at dangerously high or low voltages.
• At startup: the AC mains voltage must be within a range of
approximately -15% to +10% of its nominal value at startup, or
the amplifier will not turn on. For example, a 120V unit requires
the AC mains to be between approximately 95V–135V in order to
turn on.
• Over-voltage during operation: if the AC mains voltage surges
by roughly 10% or more during operation, the amplifier will enter
protection mode and shut down. The Standby LED will flash to
indicate the protection mode has been engaged.
• Under-voltage during operation: if the AC mains voltage sags by
15% or more, the amplifier will continue to play (since this does
not present a particular danger to the amplifier), but note that
it may not be able to achieve its usual standard of performance
under these compromised conditions. The Standby LED will
flash to indicate the condition.
warm up/break-in period Your new Classé power amplifier will deliver outstanding performance
immediately. However, you should expect to hear it improve somewhat as
it reaches its normal operating temperatures and its various components
“break-in.” It has been our experience that the greatest changes occur within the
first 300 hours, as the amplifier reaches thermal equilibrium and the capacitors
fully form. After this initial break-in period, the performance of your new
product should remain quite consistent for years to come.
The only exception to this rule is if the unit is placed in standby or unplugged
for an extended period of time, allowing it to cool down. Depending on the
degree of cooling involved, you should expect a brief warm-up period before the
power amplifier’s sound quality is at its best. Unless your amplifier was allowed
to become quite chilled, subsequent thermal re-stabilization should not take
long. Fortunately, you should never have to repeat the initial 300 hour break-in
period.
please read this manual… Please take a few minutes to review this manual, and to familiarize yourself with
your new amplifier. We understand that you are anxious to plug everything in
and get started. However, reading this manual and following the advice it gives
will ensure that you get all the benefits you deserve from having purchased such
a fine piece of equipment.
9
ENGLISH
Special Design Features
highly refined
circuit design All Classé analog amplification stages are based on circuits that have been
extensively optimized over many years of continuous development.
By starting with excellent circuit designs and working with them over the years,
we are able to discover the many small refinements that add up to superlative
performance, in a variety of applications. Altering a voltage here, or using a
slightly different part there, may make all the difference between solid and
absolutely outstanding performance.
This level of refinement only comes with a great deal of experience, and is
not available to those who flit from one trendy notion to the next. It accounts
in no small measure for both the consistency of sonic performance among
Classé products (as they are all based on similar analog gain stages), and for the
consistently excellent reviews those products receive by owners and reviewers
alike.
extensive listening tests Excellent measured performance is to be expected in world-class products, and
Classé products deliver that performance. However, experience has shown that
technical excellence alone is insufficient to guarantee subjectively musical results.
For this reason, all Classé products are laboriously fine-tuned during the
development process by carefully controlled listening tests. Our ears are still
some of the finest laboratory test instruments available, and nicely complement
more traditional engineering test equipment. In the course of optimizing the
circuitry for a product, hundreds of decisions are made based on the subjective
impression given by substituting one high quality part for another.
As an example, we may listen to half a dozen 0.1% film resistors of the same
value, from several different companies. Standard tests may show them all to
provide identical results in terms of noise, distortion, and so forth. Yet, almost
invariably, one selection yields some small improvement in the subjective
reaction to the performance of the product under development. Less often, even
a single such change can result in a surprisingly large improvement.
Multiply those various improvements by the dozens or even hundreds of such
decisions that must be made before the product can be finalized for production,
and you have a remarkable improvement, indeed—all based on careful listening
tests, which we view as a necessary complement to the solid engineering you
might rightly expect from Classé.
10
ENGLISH
extraordinary longevity Another benefit of having worked with highly refined circuit designs so
extensively over many years is that we have vast experience in what works well
over the long term.
By using only the highest quality parts to begin with, and then using them in an
informed way as a result of both accelerated aging experiments and actual long-
term experience, we are able to design and manufacture products which we are
confident will stand the test of time.
We are confident that your new Classé product will give you many years of
trouble-free reliability and musical enjoyment, just as previous Classé products
have given their owners.
robust protection Finally, your new Classé amplifier incorporates a variety of protection circuits, all
designed to protect both the amplifier and your loudspeakers against dangerous
fault conditions. Significantly, these protection circuits do not intrude upon
or limit the normal performance of the amplifier; rather, they simply put the
amplifier into protection mode when confronted with abnormal conditions.
These conditions include:
• output overload
• DC offset
• AC mains voltage (outside of normal tolerances)
• excessive operating temperatures
If any of the first three conditions occurs on either channel (any of which
might harm either your amplifier or possibly your loudspeakers), the amplifier will
immediately go into protection mode. In such a case, a Channel LED indicator
will blink red, indicating the channel with the fault, and the sound will be
muted until the fault can be righted.
If the fault is not channel-related, e.g. AC mains voltage out of range, the
Standby LED will blink. In all cases, the unit will need to be re-started once the
cause of the fault condition has been rectified.
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1
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