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RB-1090 Stereo Power Amplifier
Contents
About Rotel ........................................... 6
Getting Started ...................................... 6
About THX Ultra™ ................................... 7
AC Power and Control ............................ 7
Input Signal Connections ......................... 8
Speakers ................................................ 8
Troubleshooting ...................................... 9
Specifications ......................................... 9
About Rotel
A family whose passionate interest in mu-
sic led them to manufacture high fidelity com-
ponents of uncompromising quality founded
Rotel over 30 years ago. Over the years that
6
passion has remained undiminished and the
goal of providing exceptional value for au-
7
diophiles 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
7
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
7
Germany, semi-conductors from Japan or the
7
United States, and toroidal power transform-
ers manufactured in Rotel's own factory.
Rotel's reputation for excellence has been
earned through hundreds of good reviews
8
and awards from the most respected review-
ers in the industry, who listen to music ev-
8
ery day. Their comments keep the company
8
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
8
of enjoyment.
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6
Getting Started
Thank you for purchasing the Rotel RB-1090
Stereo Power Amplifier. When used in a high-
quality music or home theater system, your
Rotel amplifier will provide years of musi-
cal enjoyment.
There is nothing understated about the
RB-1090. It is a massive two-channel power
amplifier, capable of providing extremely
high power output in the most demanding
applications. In fact, the limiting factor in
the RB-1090's output levels will often be the
capacity of your home's electrical supply.
Discrete output devices, a massive power
supply with dual toroidal transformers, pre-
mium components, and Rotel's Balanced De-
sign ensure superb sound quality. High cur-
rent capability allows the RB-1090 to drive
difficult speaker loads with ease, including
2 ohm speakers.
Be aware that the RB-1090 is capable of high
power levels, in excess of 400 watts per chan-
nel into 8 ohms and 700 watts into 4 ohms.
Make sure that your speakers can handle
the power of the RB-1090. If in doubt about
your speakers, ask your authorized Rotel
dealer for advice.
The RB-1090 is straightforward in its instal-
lation and operation. If you have experience
with other stereo power amplifiers, you
shouldn't find anything perplexing. Plug in
a pair of high-quality RCA cables from your
preamp into the amplifier inputs, wire up your
speakers, and enjoy.
Alternatively, the RB-1090 provides an op-
tional pair of balanced inputs for use with
preamps or processors that offer these low-
noise XLR-connections. If you choose this op-
tion, you will need to reset a back panel
switch selecting the balanced inputs. Again,
nothing very confusing.
A Few Precautions
Please read this manual carefully. In addi-
tion to basic installation and operating in-
structions, it provides valuable information
on various RB-1090 system configurations
as well as general information that will help
you get optimum performance from your sys-
tem. 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.
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