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Contents
(circled numbers refer to illustration)
About Rotel __________________________________________ 1
Getting Started ______________________________________ 1
AC Power and Control _______________________________ 2
24
Input Signal Connections
16
21
Front Panel Controls __________________________________ 4
10
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7
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12
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4
Second Zone Operation _______________________________ 5
28
RR-927 Remote Control _______________________________ 6
Other Remote Control Functions ______________________ 6
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_______________________________ 7
3
Troubleshooting ______________________________________ 7
Specifications _______________________________________ 52
6
STEREO INTEGRATED AMPLIFIER RA-985BX
1
23
__________________________ 3
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_____________________________ 3
__________________ 3
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_________________ 4
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About Rotel
A family whose passionate interest in music led them to manufac-
ture high fidelity components of uncompromising quality founded
Rotel over 30 years ago. Through the years that passion has re-
2
mained undiminished and the family goal of providing exceptional
2
value for audiophiles and music lovers, regardless of their budget,
2
is shared by all Rotel employees.
2
The engineers work as a close team, listening to, and fine tuning
3
2
each new product until it reaches their exacting musical stan-
3
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,
semi conductors from Japan or the United States, while toroidal
power transformers are manufactured in Rotel's own factory.
Rotel's reputation for excellence has been earned through hun-
dreds of good reviews and awards from the most respected re-
viewers in the industry, who listen to music every day. Their
4
comments keep the company true to its goal - the pursuit of
4
equipment that is musical, reliable and affordable.
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All of us at Rotel thank you for buying this product and hope it will
bring you many hours of enjoyment.
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Getting Started
4
5
5
Thank you for purchasing the Rotel RA-985BX Stereo Integrated
5
Amplifier. When used in a high-quality music audio system, it will
5
provide years of musical enjoyment.
5
The RA-985BX is a full featured, high performance component. All
5
aspects of the design have been optimized to retain the full dy-
5
namic range and subtle nuances of your music. The RA-985BX has
a highly regulated power supply incorporating a Rotel custom-de-
5
signed toroidal power transformer and custom-made slit foil ca-
pacitors. This low impedance power supply has ample power
6
reserves, which enables the RA-985BX to easily reproduce the
most demanding audio signals. This type of design is more expen-
6
sive to manufacture, but it is better for the music.
6
The printed circuit boards (PCB) are designed with Symmetrical
6
Circuit Traces. This insures that the precise timing of the music is
6
maintained and faithfully recreated. The RA-985BX circuitry uses
6
metal film resistors and polystyrene or polypropylene capacitors
6
in important signal paths. All aspects of this design have been ex-
6
amined with the final goal being faithful reproduction of music.
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