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However, Rotel amplifiers are designed to work into any speaker
impedance between 8 and 4 ohms, and with all the channels working up
to their full power. Because Rotel designs are optimized for use with all
channels operating together, Rotel is able to specify the true power output
for both channels.
Getting Started
Thank you for purchasing the Rotel RA-1520 Stereo Integrated Amplifier.
When used in a high-quality music audio system, it will provide years of
musical enjoyment.
The RA-1520 is a full featured, high performance component. All aspects
of the design have been optimized to retain the full dynamic range and
subtle nuances of your music. The RA-1520 has a highly regulated
power supply incorporating a Rotel custom-designed toroidal power
transformer and custom-made slit foil capacitors. This low impedance
power supply has ample power reserves, which enables the RA-1520 to
easily reproduce the most demanding audio signals. This type of design
is more expensive to manufacture, but it is better for the music.
The printed circuit boards are designed with Symmetrical Circuit Traces.
This insures that the precise timing of the music is maintained and
faithfully recreated. The RA-1520 circuitry uses metal film resistors and
polystyrene or polypropylene capacitors in important signal paths. All
aspects of this design have been examined to ensure the most faithful
music reproduction.
In addition the RA-1520 has independent input signal selectors for
listening and recording. They allow you to listen to one signal source
while recording another.
The main functions of the RA-1520 are easy to install and use. If you
have experience with other stereo systems, you shouldn't find anything
perplexing. Simply plug in the associated components and enjoy.
A Few Precautions
Please read this manual carefully. In addition to basic installation and
operating instructions, it provides valuable information on various
RA-1520 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 RA-1520 shipping carton and all enclosed packing material for
future use. Shipping or moving the RA-1520 in anything other than the
original packing material may result in severe damage to your amplifier.
Fill out and send in the owner's registration card packed with the
RA-1520. 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.
Placement
Like all audio components that handle low-level signals, the RA-1520
can be affected by its environment. Avoid placing the RA-1520 on top
of other components. Also avoid routing audio signal cables near power
cords. This will minimize the chance it will pick up hum or interference.
The RA-1520 generates heat as part of its normal operation. The heat
sinks and ventilation openings in the amplifier are designed to dissipate
this heat. The ventilation slots in the top cover must be open. There should
be 10 cm (4 inches) of clearance around the chassis, and reasonable
airflow through the installation location, to prevent the amplifier from
overheating.
Remember the weight of the amplifier when you select an installation
location. Make sure that the shelf or cabinet can support it. We
recommend installing the RA-1520 in furniture designed to house audio
components. Such furniture is designed to reduce or suppress vibration
which can adversely affect sound quality. Ask your authorized Rotel
dealer for advice about component furniture and proper installation of
audio components.
The RA-1520 is supplied with an RR-AT94 remote control and must be
placed where the infrared signal from the remote can reach the front
panel Remote Sensor.
Cables
Keep power cords, digital cables, and audio cables away from each
other. This will minimize the chance of the audio signal cables picking up
noise or interference from the power cords or digital cables. Using high
quality, shielded cables will also help to prevent noise or interference.
If you have any questions see your authorized Rotel dealer for advice
about the best cable to use with your system.
Remote Control
The RA-1520 includes an RR-AT94 remote control that operates many
of the controls of the RA-1520. In addition, the remote operates basic
features of some Rotel CD players, DVD players, and AM/FM tuners.
Audio Controls
ABCE
The RR-AT94 duplicates the basic audio functions of the RA-1520 front
panel. When a function is available on both the front panel and the
remote, a number (see front panel illustration) and a letter (see remote
control illustration) are shown in the instructions. For example, to change
the volume level, you can either turn the control on the front panel or use
the buttons on the remote. When only one identifier appears, that control
is available only on the front panel or the remote, but not both.
CD Functions
DG
The PLAY, STOP, PAUSE, TRACK and RANDOM buttons, and NUMERIC
keys (0-10) operate many Rotel CD players after the CD button on the
remote has been pressed.
DVD Functions
G
The PLAY, STOP, PAUSE, and TRACK ±, buttons operate Rotel DVD
players, after the AUX1 button on the remote has been pressed.
Tuner Functions
DF
The BAND, TUNING, and additional tuning feature buttons operate Rotel
tuners, after the TUNER button on the remote has been pressed.
Note: By default, the RR-AT94 operates the Rotel RT-1080/
RT-1082/RT-1084 tuners. The remote can be reprogrammed to
operate the RT-940AX tuner. This programming only needs to be
done once:
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