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There is nothing understated about the
RMB-1075. It is a massive five-channel power
amplifier, capable of providing extremely high
power output in the most demanding appli-
cations. In fact, the limiting factor in the
RMB-1075’s output levels will often be the
capacity of your home’s electrical supply. Dis-
crete output devices, a massive power sup-
ply with toroidal transformers, premium com-
ponents, and Rotel’s Balanced Design ensure
superb sound quality. High current capabil-
ity allows the RMB-1075 to drive difficult
speaker loads with ease.
Be aware that the RMB-1075 is capable of
high power levels, in excess of 120 watts per
channel into 8 ohms. Make sure that your
speakers can handle the power of the
RMB-1075. If in doubt about your speakers,
ask your authorized Rotel dealer for advice.
The RMB-1075 is straightforward in its instal-
lation and operation. If you have experience
with other stereo power amplifiers, you
shouldn’t find anything perplexing. Connect
high-quality RCA cables between your preamp
or signal processor and the amplifier inputs,
wire up your speakers, and enjoy.
A Few Precautions
Please read this manual carefully. In addition
to basic installation and operating instructions,
it provides valuable information on various
RMB-1075 system configurations as well as
general information that will help you get op-
timum performance from your system. Please
contact your authorized Rotel dealer for an-
swers to any questions you might have. In ad-
dition, all of us at Rotel welcome your ques-
tions and comments.
Save the RMB-1075 shipping carton and all
enclosed packing material for future use. Ship-
ping or moving the RMB-1075 in anything
other than the original packing material may
result in severe damage to your amplifier.
Be sure to keep the original sales receipt. It
is your best record of the date of purchase,
which you will need in the event warranty ser-
vice is ever required.
About Rotel
A family whose passionate interest in music
led them to manufacture high fidelity compo-
nents of uncompromising quality founded Rotel
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 standards.
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 ca-
pacitors from the United Kingdom and Ger-
many, semi-conductors 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 reviewers in
the industry, who listen to music every day.
Their comments keep the company true to its
goal – the pursuit of equipment that is musi-
cal, 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 RMB-1075
Five Channel Power Amplifier. When used in
a high-quality music or home theater system,
your Rotel amplifier will provide years of mu-
sical enjoyment.
Contents
Figure 1: Controls and Connections 3
Figure 2: Inputs / Speakers Outputs 4
About Rotel .......................................... 5
Getting Started ..................................... 5
A Few Precautions 5
Placement 6
About THX Ultra™ 6
AC Power and Control ........................... 6
AC Power Input 6
Power Switch and Power Indicator 6
Trigger ON/OFF Mode Selector 6
12V Trigger Input and Output 6
Protection Circuitry 6
Input Signal Connection .................... 7
DB25 Connector Input 7
Speaker Connection ............................... 7
Speaker Selection 7
Speaker Wire Selection 7
Polarity and Phasing 7
Speaker Connection 7
Troubleshooting ..................................... 8
Front Panel Power Indicator Is Not Lit 8
Fuse Replacement 8
No Sound 8
Protection Indicator Is Lit 8
Specifications ........................................ 8