Rotel RA-1520 Bedienungshandbuch PDF herunterladen (Seite 7)

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RA‑1520 Stereo Integrated Ampliﬁer

6 7

English

RA‑1520 Stereo Integrated Ampliﬁer

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:

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.

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