Rotel RB-1070 Power Supply User Manual


 
5 English
About Rotel
A family whose passionate interest in music
led them to manufacture high fidelity compo-
nents of uncompromising quality founded Rotel
over 30 years ago. Through the years that
passion has remained undiminished and the
family goal of providing exceptional value for
audiophiles and music lovers, regardless of
their budget, is shared by all Rotel employ-
ees.
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, while toroidal power transform-
ers are 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 RB-1070
Stereo Power Amplifier. When used in a high-
quality music or home theater system, it will
provide years of musical enjoyment.
The RB-1070 is a high-power, two-channel
power amplifier, providing the highest level
of audio performance. Discrete output devices,
a massive power supply, premium components,
and Rotel’s Balanced Design ensure superb
sound quality. High current capability allows
the RB-1070 to drive the most demanding loud-
speakers.
Be aware that the RB-1070 is capable of high
power levels, in excess of 130 watts per chan-
nel. Make sure that your speakers can handle
the power of the RB-1070. If in doubt about
your speakers, ask your authorized Rotel
dealer for advice.
The RB-1070 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.
A Few Precautions
Please read this manual carefully. In addition
to basic installation and operating instructions,
it provides valuable information on various
RB-1070 system configurations as well as gen-
eral information that will help you get opti-
mum 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 RB-1070 shipping carton and all en-
closed packing material for future use. Ship-
ping or moving the RB-1070 in anything other
than the original packing material may re-
sult in severe damage to your amplifier.
Fill out and send in the owner’s registration
card packed with the RB-1070. Also 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 service is ever
required.
Contents
Figure 1: Controls and Connections 3
Figure 2: Stereo Connections 4
Figure 3: Bridged Connection 4
Contents ............................................... 5
About Rotel .......................................... 5
Getting Started ..................................... 5
A Few Precautions 5
Placement 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 .................... 6
Speaker Connection ............................... 7
Speaker Selection 7
Speaker Wire Selection 7
Polarity and Phasing 7
Stereo Speaker Connection 7
Bridged Mono Operation .................. 7
Resetting Jumpers 7
Input Connection 7
Bridged 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