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English
About Rotel
A family whose passionate interest in music led
them to manufacture high fidelity components
of uncompromising quality founded Rotel over
40 years ago. Over the years that passion
has remained undiminished and the goal of
providing exceptional value for audiophiles
and music lovers regardless of their budget,
is shared by all Rotel employees.
The engineers work as a close team, listen-
ing to, and fine tuning each new product
until it reaches their exacting musical stan-
dards. They are free to choose components
from around the world in order to make that
product the best they can. You are likely to
find capacitors from the United Kingdom and
Germany, semiconductors from Japan or the
United States, and toroidal power transformers
manufactured in Rotel’s own factory.
Rotel’s reputation for excellence has been
earned through hundreds of good reviews
and awards from the most respected review-
ers in the industry, who listen to music every
day. Their comments keep the company true
to its goal – the pursuit of equipment that is
musical, reliable and affordable.
All of us at Rotel thank you for buying this
product and hope it will bring you many
hours of enjoyment.
Getting Started
Thank you for purchasing the Rotel RKB-2100
Stereo Power Amplifier. When used in a high-
quality music or home theater system, your
Rotel amplifier will provide years of musical
enjoyment.
The RKB-2100 is a sophisticated two-channel
power amplifier. Discrete output devices, a
massive power supply with toroidal trans-
former, premium components, and Rotel’s
Balanced Design ensure superb sound quality.
High current capability allows the RKB-2100
to drive difficult speaker loads with ease.
Features
• Two-channel power amplifier, with 100
watts per channel output into 8 ohms.
• Rack-mountable (standard international
3U rack height). Rack handles or the rack
mount kit can be removed for installation
in narrower spaces.
• Front panel input level controls. Can be
configured three ways: recessed adjust-
ments, knobs for user control, or covered
with blanking plugs to prevent user adjust-
ment.
• User-selectable power on/off configura-
tion: manual, automatic signal sensing,
or controlled by remote 12 volt trigger
signal.
• Provision for installation of optional cool-
ing fan for increased heat dissipation and
performance.
• Protection circuitry against fault conditions
with front panel indicator.
A Few Precautions
Please read this manual carefully. In addition
to basic installation and operating instruc-
tions, it provides valuable information on
various RKB-2100 system configurations as
well as general information that will help you
get optimum performance from your system.
Please contact your authorized Rotel dealer
for answers to any questions you might have.
In addition, all of us at Rotel welcome your
questions and comments.
Save the RKB-2100 shipping carton and all
enclosed packing material for future use. Ship-
ping or moving the RKB-2100 in anything other
than the original packing material may result
in severe damage to your amplifier.
Keep the original sales receipt. It is your
best record of the date of purchase, which
you will need in the event warranty service
is ever required.
Placement
The amplifier can be mounted in a stan-
dard equipment rack or placed on a solid
surface.
When not using an equipment rack, place
the RKB-2100 on a solid, level surface away
from sunlight, heat, moisture, or vibration.
Don’t stack other components or objects on
top of the RKB-2100. Don’t let any liquid fall
into the unit.
Likewise, remember the weight of the ampli-
fier when you select an installation location.
Make sure that the shelf or cabinet can sup-
port its considerable bulk.
The RKB-2100 generates heat during normal
operation. Do not block ventilation open-
ings.
Allow a minimum of 10 cm or 4
inches of unobstructed space around
the unit.
If installed in a cabinet, make sure
that there is adequate ventilation.
Rack Mounting
The RKB-2100 is supplied with two rack mount-
ing brackets for installation in standard equip-
ment racks. To install these brackets:
1. Hold a bracket against the side of the am-
plifier to locate the chassis cover screw
that must be removed for clearance. Re-
move this screw with a Phillips head screw
driver and replace it with one of the short
Philips head machine screws enclosed
with the brackets.
2. Install the rack mount bracket, inserting three
of the long Philips head machine screws
through the bracket and into the threaded
holes in the side of the amplifier.
3. Repeat for the bracket on the other side
of the amplifier.
