RA-1520 - Audio Amplifier ROTEL - Free user manual and instructions
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USER MANUAL RA-1520 ROTEL
Stereo Integrated Amplifier
Important Safety Instructions
WARNING: There are no user serviceable parts inside. Refer all servicing to qualified service personnel.
WARNING: To reduce the risk of fire or electric shock, do not expose the unit to moisture or water. Do not expose the unit to dripping or splashing. Do not place objects filled with liquids, such as vases, on the unit. Do not allow foreign objects to get into the enclosure. If the unit is exposed to moisture, or a foreign object gets into the enclosure, immediately disconnect the power cord from the wall. Take the unit to a qualified service person for inspection and necessary repairs.
Read all the instructions before connecting or operating the component.
Keep this manual so you can refer to these safety instructions.
Heed all warnings and safety information in these instructions and on the product itself. Follow all operating instructions.
Clean the enclosure only with a dry cloth or a vacuum cleaner.
Do not use this unit near water.


You must allow a minimum 10cm or 4 inches of unobstructed clearance around the unit.
Do not place the unit on a bed, sofa, rug, or similar surface that could block the ventilation openings. If the unit is placed in a bookcase or cabinet, there must be ventilation of the cabinet to allow proper cooling.
Keep the component away from radiators, heat registers, stoves, or any other appliance that produces heat.
WARNING: The rear panel power cord connector is the mains power disconnect device. The apparatus must be located in an open area that allows access to the cord connector.
The unit must be connected to a power supply only of the type and voltage specified on the rear panel. (USA: 120 V/60Hz, EC: 230V/50Hz)
Connect the component to the power outlet only with the supplied power supply cable or an exact equivalent. Do not modify the supplied cable. A polarized plug has two blades, with one wider than the other. A grounding plug has two blades plus a third grounding prong. These are provided for your safety. Do not defeat grounding and/or polarization safety provisions. If the supplied plug does not fit your outlet, please consult an electrician for replacement of the obsolete outlet. Do not use extension cords.
The main plug of the power cordset is a disconnect device of the apparatus. In order to completely disconnect the apparatus from the supply mains, the main plug of the power cordset should be unplugged from the mains (AC) outlet. The standby LED indicator will not be lit up to show the power cord is unplugged. The disconnect device shall remain readily operable.
Do not route the power cord where it will be crushed, pinched, bent, exposed to heat, or damaged in any way. Pay particular attention to the power cord at the plug and where the cord exits the back of the unit.
The power cord should be unplugged from the wall outlet during a lightning storm or if the unit is to be left unused for a long period of time.
Use only accessories specified by the manufacturer.
Use only with a cart, stand, rack, bracket or shelf system recommended by Rotel. Use caution when moving the unit in a stand or rack to avoid injury from a tip-over.
Use Class 2 wiring for speaker connections to ensure proper installation and minimize the risk of electrical shock.
Immediately stop using the component and have it inspected and/or serviced by a qualified service agency if:
- The power supply cord or plug has been damaged
- Objects have fallen or liquid has been spilled into the unit
The unit has been exposed to rain
The unit shows signs of improper operation
The unit has been dropped or damaged in any way

CAUTION
RISK OF ELECTRIC SHOCK DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
APPLICABLE FOR USA, CANADA OR WHERE APPROVED FOR THE USAGE
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT.INSERT FULLLY.
ATTENTION: POUR EVITER LES CHOCES ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDALE DE LA PRISE ET POUSSER JUSQU AU FOND.

This symbol is to alert the user to the presence of uninsulated dangerous voltages inside the product's enclosure that may constitute a risk of electric shock.

This symbol is to alert the user to important operating and maintenance (service) instructions in this manual and literature accompanying the product.

Rotel products are designed to comply with international directives on the Restriction of Hazardous Substances (RoHS) in electrical and electronic equipment and the disposal of Waste Electrical and Electronic Equipment (WEEE). The crossed wheelie bin symbol indicates compliance and that the products must be appropriately recycled or processed in accordance with these directives.

This symbol means that this unit is double insulated. An earth connection is not required.
Figure 1: Controls and Connections

Figure 3: Signal Input and Speaker Output Connections
Important Notes
When making connections be sure to:
Turn off all the components in the system before hooking up any components, including loudspeakers.
Turn off all components in the system before changing any of the connections to the system.
It is also recommended that you:
Turn the volume control of the amplifier all the way down before the amplifier is turned on or off.
Remarques importantes
Important Safety Instructions 2
Figure 1: Controls and Connections
Figure 2: RR-AT94 Remote Control
Figure 3: Signal Input and Speaker Output Connections
Important notes
About Rotel. 6
A Word About Watts 6
Getting Started 7
A Few Precautions
Placement
Cables
Remote Control 7
Audio Controls A B C E
CD Functions ⑥
DVD Functions ⑥
Tuner Functions D F
Remote Sensor
Remote Control Batteries
External Remote In Connection 16
IR Out Connection
Speaker Outputs 8
Speaker Wire Selection
Polarity and Phasing
Speaker Wire Connection 23 24
Input Signal Connections 9
Phono Input 15 and Ground Connection 14
Line Level Inputs 19
Recorder Connections 20 21
Media Player Input 4
Preamp Outputs 22
AC Power and Control 9
AC Power Input
Power Switch and Power Indicator 1
12V Trigger Connection [16]
Audio Controls 10
VOLUME Control 10
BALANCE Control [11]
BASS and TREBLE Tone Controls 79
TONE On/Off
LISTENING Selector [13]
RECORDING Selector
MUTE Button A
PHONES Output
SPEAKERS Selector
Protection Circuit 10
Protection Indicator 2
Troubleshooting 11
Front Panel Power Indicator Is Not Lit
Fuse replacement
No Sound
Protection Indicator Is Lit
Remote Control Code Conflicts
Resetting The IR Code
Specifications. 11
About Rotel
Our story began nearly 50 years ago. Over the decades, we have received hundreds of awards for our products and satisfied hundreds of thousands of people who take their entertainment seriously - like you!
Rotel was founded by a family whose passionate interest in music led them to manufacture high-fidelity components of uncompromising quality. 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 employees.
Rotel's engineers work as a close team, listening 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 capacitors from the United Kingdom and Germany, semiconductors from Japan or the United States, while toroidal power transformers are manufactured in Rotel's own factory.
We all have concerns about our environment. And, as more and more electronics are produced and later discarded, it is especially important for a manufacturer to do all it can to engineer products that have a minimum negative impact on landfill sites and water tables.
At Rotel, we are proud to do our part. We have reduced the lead content in our electronics by using special ROHS solder, while our new Class D (not digital) amplifiers are up to five times more efficient than our legacy designs and still deliver power and performance. These products run cool, give minimum wasted energy, are good for the environment and give better sound too.
Finally, we have printed this manual on recycled paper stock.
While we understand that these are small first steps, they are still important ones. And we continue to pursue new methods and materials for a cleaner and greener manufacturing process. All of us at Rotel thank you for buying this product. We are sure it will bring you many years of enjoyment.
A Word About Watts
This amplifier's power output is quoted as 60 watts for each channel, when both channels are operating together at full power. Rotel has chosen to specify the power output in this way because, in Rotel's experience, it gives the truest value of the receiver or amplifier's power capability.
When comparing specifications for different products, you should be aware that power output is often specified in other ways, so you may not be comparing like with like. For example, the power output may be quoted with only one channel operating, giving a higher maximum figure.
A loudspeaker's impedance rating indicates the electrical resistance or load it offers when connected to the amplifier, usually 8 ohms or 4 ohms. The lower the impedance, the more power the speaker will need. In effect, a 4 ohm speaker will require twice as much power as an 8 ohm speaker.
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 10cm (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 ①⑥
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 ⑥
The PLAY, STOP, PAUSE, and TRACK ± , buttons operate Rotel DVD players, after the AUX1 button on the remote has been pressed.
Tuner Functions D
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:
To program for the RT-940AX: press the POWER button and the 2 button simultaneously.
To program for the RT-1080/RT-1082/RT-1084: press the POWER button and the 1 button simultaneously.
Remote Sensor
The remote sensor receives infrared signals from the remote control. Do not cover or block the sensor. It must be unobstructed or the remote control will not work properly.
The operation of the remote sensor can also be affected if it is exposed to bright sunlight or certain types of lighting (such as halogen lights) that emit infrared light. In addition, remote control functions may not work reliably if the batteries in the RR-AT94 are weak.
Note: To use the remote, aim it at the remote sensor on the front panel of the RA-1520.
Remote Control Batteries
Two UM-4/AAA size batteries (supplied) must be installed before the remote control can be used. To install the batteries, remove the cover on the back of the RR-AT94. Install the batteries as shown in the illustration in the battery well. Test the control for proper operation, then replace the cover. When the batteries become weak the remote control won't operate the RA-1520 consistently. Installing fresh batteries should eliminate the problem.
EXT REM IN Jack [15]
The 3.5 mm mini-jack labeled EXT REM IN can receive command codes from a third-party infrared receiver or Rotel remote zone keypad. It can be used with an outboard IR receiver to duplicate the front panel IR sensor. This feature is useful when the IR signals from a hand-held remote control cannot reach the front panel IR sensor, for example if unit is installed in a cabinet and the front panel sensor is blocked, or when IR signals need to be relayed to other components.
Consult your authorized Rotel dealer for information on external receivers and proper wiring of 3.5mm mini-plugs to fit the REM IN jack.
Note: The IR signals from the EXT IN jack can be relayed to source components using external IR emitters or hard-wired connections from the IR OUT jacks. See the following section for additional information.
IR OUT Connection
The 3.5mm IR OUT jack sends IR signals received at the EXT REM IN jack to an infrared blaster or emitter placed in front of a source component's IR sensor. In addition, the IR OUT connection can be hard-wired to Rotel CD players, DVD players, or tuners with a compatible connector.
For example, this allows the RA-1520 to pass along IR signals when the sensors on the source components are blocked by installation in a cabinet.
See your authorized Rotel dealer for information on IR emitters and repeater systems.
Note: Remove the batteries from the remote if it will not be used for a long period of time. Do not leave run down batteries in the remote control; they can leak corrosive chemicals which will damage the unit.
Speaker Outputs
See Figure 3
The RA-1520 has two sets of speaker outputs, labeled SPEAKER A and SPEAKER B. The speaker outputs are controlled by the switch on the front panel.
Speaker Impedance
If only one set of speakers will be used at any given time, the speakers may have an impedance as low as 4 ohms. If there are times when both the A and B speakers will be used, all the speakers should have an impedance of 8 ohms or more. Speaker impedance ratings are less than precise. In practice, very few loudspeakers will present any problems for the RA-1520. See your authorized Rotel dealer if you have any questions.
Speaker Wire
Use insulated two-conductor stranded wire to connect the RA-1 520 to the speakers. The size and quality of the wire can have an audible effect on the performance of the system. Standard speaker wire will work, but can result in lower output or diminished bass response, particularly over longer distances. In general, heavier wire will improve the sound. For best performance, you may want to consider special high-quality speaker cables. Your authorized Rotel dealer can help in the selection of cables for your system.
Polarity and Phasing
The polarity – the positive/negative orientation of the connections – for every speaker and amplifier connection must be consistent so all the speakers will be in phase. If the polarity of one connection is reversed, bass output will be very weak and stereo imaging degraded. All wire is marked so you can identify the two conductors. There may be ribs or a stripe on the insulation of one conductor. The wire may have clear insulation with different color conductors (copper and silver). There may be polarity indications printed on the insulation. Identify the positive and negative conductors and be consistent with every speaker and amplifier connection.
Speaker Connections 224
Turn off all the components in the system before connecting the speakers. The RA-1520 has color-coded speaker connectors on the back panel. These connectors accept bare wire, or connector lugs. (In non-EC markets, the connectors also accept dual banana plugs.)
Route the wire from the RA-1520 to the speakers. Give yourself enough slack so you can move the components to allow access to the speaker connectors. If you are using dual banana plugs, connect them to the wires and then plug into the backs of the binding posts. The thumbscrews of the binding posts should be screwed in all the way (clockwise).
If you are using terminal lugs, connect them to the wires. If you are attaching bare wires directly to the binding posts, separate the wire conductors and strip the insulation from the end of each conductor. Be careful not to cut into the wire strands. Unscrew (turn counterclockwise) the binding post thumbscrews. Place the connector lug or wire around the binding post shaft. Turn the thumbscrews clockwise to clamp the connector lug or wire firmly in place.
Note: Be sure there are no loose wire strands that could touch adjacent wires or connectors.
Input Signal Connections
See Figure 3
The RA-1520 has line level inputs for source components, connections for audio tape decks, and preamp output connections to send signals to an external power amplifier.
Note: To prevent loud, potentially damaging noises, make sure the system is turned off when you make any signal connections.
Phono Input and Ground Connection
Plug the cable from the turntable into the appropriate left and right phono inputs. If the turntable has a "ground" wire connect it to the screw terminal to the left of the Phono inputs. It will help prevent hum and noise.
Line Level Inputs 19
The RA-1520 has three pair of conventional RCA input connectors for line level components such as CD players, video cassette recorders, tuners, Laser Disc players, or DVD players. These inputs are labeled CD, TUNER, AUX.
The left and right channels are clearly labeled and should be connected to the corresponding channels of the source component. The left RCA connectors are white, the right connectors are red. Use high quality RCA cables for connecting input source components to the RA-1520. Ask your authorized Rotel dealer for advice about cables.
Recorder Connections 202
- Tape inputs and outputs can be connected to any record/playback device that accepts standard line level analog input and output signals.
- Typically that will be a conventional tape recorder. There are two sets of tape connections on the back panel, labelled TAPE 1 and TAPE 2.
When connecting a recorder to the RA-1520, the outputs of the recorder must be connected to the tape inputs of the RA-1520. Similarly the tape outputs of the RA-1520 must be connected to the inputs of the recorder. Be sure to connect the left and right channels of each device to the proper channels on the associated components. Use high quality connecting cables to prevent loss of sound quality.
Note: The tape inputs can also be used for standard playback-only source components, omitting the output connections.
Media Player Input
A 3.5mm (1/8") stereo input socket for a "Media Player" is provided on the front of the RA-1520 and is selected by turning the Listening input selector to AUX. Any portable stereo cassette, compact disc player or hard disc playback device can be connected via this input.
If the Media Player input is connected to the headphone outputs of the player note that you may need to adjust the volume control on the player for sound to be heard. If the sound is loud and distorted turn down the volume on the player. If the sound is not loud enough, even when the RA-1520 volume control is turned up fairly high, then carefully turn up the volume control on the player.
Note: When the 3.5mm (mini jack) is inserted into the Media Player socket the rear input called AUX is disconnected. Removing the 3.5mm plug from the Media player socket will allow the rear AUX input to function. On the RR-AT94 remote, use the Volume + and - buttons to increase or decrease the volume level.
Preamp Outputs
The RA-1520 has a pair of preamp outputs that can send a variable gain signal to an external power amp or signal processor. The preamp outputs are standard RCA-type output connectors, compatible with the inputs of most power amplifiers. Use high quality cables and be sure to connect the left and right channel outputs of the RA-1520 to the correct channels of the amplifier.
AC Power and Control
AC Power Input
Because of its relatively high power rating, the RA-1520 can draw considerable current. Therefore, it should be plugged directly into a 2-pin polarized wall outlet. Do not use an extension cord. A heavy duty multi-tap power outlet strip may be used if it (and the wall outlet) is rated to handle the current demanded by the RA-1520 and all the other components connected to it.
Your RA-1520 is configured at the factory for the proper AC line voltage in the country where you purchased it (USA: 120 volts/60Hz AC or CE: 230 volts/50 Hz AC). The AC line configuration is noted on a decal on the back panel. Plug the supplied cord into the AC INPUT receptacle on the back of the unit.
Note: Should you move your RA-1520 to another country, it is possible to reconfigure your amplifier for use on a different line voltage. Do not attempt to perform this conversion yourself. Opening the enclosure of the RA-1520 exposes you to dangerous voltages. Consult a qualified service person or the Rotel factory service department for information.
If you are going to be away from home for an extended period of time such as a month long vacation, it is a sensible precaution to unplug your audio and video components while you are away.
POWER Button and Power Indicator
Press the front panel POWER button, to turn the RA-1520 on. The power indicator light ring around the power button and the MUTE function LED are illuminated when the RA-1520 is on. Press the POWER button again to turn the RA-1520 off. Once the RA-1520 has been turned on with the front panel button, it can be switched between normal operating mode and Standby mode with the POWER button on the RR-AT94. Also, when in Standby mode, it can be turned on by pressing one of the LISTENING input buttons.
12V TRIGGER Connection
Several Rotel amplifiers can be turned on and off using a 12 volt signal, provided by the 12V TRIGGER connection. When the RA-1520 is activated, a 12 volt DC signal appears at this connector and will turn on an amplifier. When the RA-1520 is turned off, the trigger signal is interrupted and the external amplifier will be turned off.
Audio Controls
The following controls are used to operate the RA-1520.
VOLUME Control
Turn the front panel VOLUME control clockwise to increase the volume, or counterclockwise to decrease the volume. Alternatively, press the VOL buttons on the remote control to adjust the volume up or down.
BALANCE Control
The Balance Control adjusts the left-to-right balance of the sound output. Normally the control should be left in the center position. In some situations, typically when the main listening position is not ideally centered between the speakers, it may be necessary to adjust the control to achieve proper left-to-right balance. Turning the control counter-clockwise shifts the sound balance to the left. Turning the control clockwise shifts the sound balance to the right.
BASS and TREBLE Tone Controls 79
These two front panel rotary controls are used to make adjustments to the tone or contour settings, boosting or cutting high frequencies (TREBLE) and low frequencies (BASS). If tone adjustments are not required, the tone control circuit can be bypassed by using the TONE On/Off switch.
TONE On/Off
When this button is in the 'off' position (with the button out) the BASS and TREBLE tone controls are inoperative. This setting gives a more direct signal path and may give a small improvement in sound quality for critical listening.
LISTENING Selector ⑧
The setting of the LISTENING selector controls which of the input signals goes to the main outputs and onto the power amplifier - or, more simply, which source is heard. Turn the front panel control to the source you want to hear, or press the corresponding button on the RR-AT94 remote.
RECORDING Selector
The RA-1520 can record from any input source (except TAPE 2) to a recorder connected to TAPE 1 or TAPE 2 outputs. To select an input source for recording, turn the RECORDING control on the front-panel to the desired source.
This selection is independent of the source selected for listening. While recording, you may still select a different source using the LISTENING selector.
If you have a three-head recorder or a DAT recorder that allows simultaneous read and write operation, you can monitor your recording by setting the LISTENING switch to the TAPE 1 or TAPE 2 position.
Note: If you select TAPE 1 with the RECORDING control, the recording signal will only be available at the TAPE 2 recording outputs, not the TAPE 1 outputs. To dub a tape, select TAPE 1 and record to the tape deck connected to the TAPE 2 outputs.
MUTE Button A
To temporarily mute the sound of the system press the MUTE button on the RR-AT94 remote. Press the button again to return the sound volume to the original level. The LED in the volume control will flash when the unit is muted.
PHONES Output
The PHONES output allows you to connect headphones for private listening. This output accepts standard stereo 1/8'' stereo mini plugs.
If your headphones have a 1/4'' plug, you will need an adapter plug. Contact your authorized Rotel dealer, to get the correct adapter plug.
Note: Plugging in headphones does not cut off the signal to the speakers. If desired, use the SPEAKERS selector to turn off the signal to the speakers for private listening.
SPEAKERS Selector
A four-position rotary switch on the front panel determines which set of speakers, if any, is active. Set the SPEAKER selector as follows:
OFF: No speakers will be heard. Use this position when listening to headphones.
A: The speakers connected to the SPEAKER A terminals will be heard.
B: The speakers connected to the SPEAKER B terminals will be heard.
A+B: The speakers connected to both the SPEAKER A and SPEAKER B terminals will be heard.
Protection Circuit
Protection Indicator 2
Thermal protection circuits protect the amplifier against potential damage in the event of extreme or faulty operating conditions. Unlike many designs, the RA-1520 protection circuit is independent of the audio signal and has no impact on sonic performance. Instead, the protection circuit monitors the temperature of the output devices and shuts down the amplifier if safe limits are exceeded.
In addition, the RA-1520 includes over-current protection which operates only when load impedances drop too low. This protection is independent for each channel and is indicated by the front panel Protection LED.
Should a faulty condition arise, the amplifier will stop playing and the Protection LED on the front panel will light.
If this happens, turn the amplifier off, let it cool down for several minutes, and attempt to identify and correct the problem. When you turn the amplifier back on, the protection circuit will automatically reset and the PROTECTION LED should go out.
In most cases, the protection circuitry activates because of a fault condition such as shorted speaker wires, or inadequate ventilation leading to an overheating condition. In very rare cases, highly reactive or extremely low impedance speaker loads could cause the protection circuit to engage.
Troubleshooting
Most difficulties in audio systems are the result of incorrect connections, or improper control settings. If you encounter problems, isolate the area of the difficulty, check the control settings, determine the cause of the fault and make the necessary changes. If you are unable to get sound from the RA-1520 refer to the suggestions for the following conditions:
Power Indicator Is Not Lit
The power indicator ring around the power button should be lit whenever the RA-1520 is plugged into the wall power outlet and the POWER switch is pushed in. If it does not light, test the power outlet with another electrical device, such as a lamp. Be sure the power outlet being used is not controlled by a switch that has been turned off.
Fuse Replacement
If another electrical device works when plugged into the power outlet, but the power indicator still will not light when the RA-1520 is plugged into the wall outlet, it indicates that the internal power fuse may have blown. If you believe this has happened, contact your authorized Rotel dealer to get the fuse replaced.
No Sound
Check the signal source to see if it is functioning properly. Make sure the cables from the signal source to the RA-1520 inputs are connected properly. Be sure the LISTENING selector is set to the proper input. Be sure the SPEAKERS selector is set to the proper position. Check the wiring between the RA-1520 and the speakers.
Protection Indicator Is Lit
The front panel indicator lights when the RA-1520 protection circuits have shut off the amplifier. Typically, this occurs only when the ventilation openings are blocked, when there is faulty speaker wiring, or after a period of extreme use. Turn off the system and wait for the amp to cool. Then push the front panel power switch in and out to reset the protection devices. If the problem is not corrected or reoccurs, there is a problem with the system or the amplifier itself.
Remote Control Code Conflicts
Rotel uses the same IR remote control codes for all its audio products. In systems that have multiple Rotel products, the IR control codes of a remote control that is supplied with one product may interfere with the control codes of another product. The RR-AT94 and the RA-1520 can be set to alternate control codes to prevent such conflicts.
To change the IR codes of the RR-AT94, press the Phono button and the 2 button at the same time. To change the IR codes of the RA-1520, point the RR-AT94 at the RA-1520 then press and hold the 2 button for 5 seconds. The LED in the volume control will flash to indicate the IR code has changed.
Note: After changing the remote codes for the remote control and the preamplifier as described above, the remote control will no longer operate the Rotel tuners. To return the RR-AT94 IR code to the default setting, press the Phono button and the 1 button at the same time. To return the IR code of the RA-1520 to the default setting, point the RR-AT94 at the RA-1520 and press and hold the 1 button for 5 seconds. The LED in the volume control will flash to indicate the IR code has changed.
Resetting the IR code
Should you need to reset the IR code, press the MUTE button on the RR-AT94 remote control for more than 5 seconds while pointing it at the RA-1520. The unit will return to default condition and the Listening CD LED will turn on to indicate the IR code is reset. Contact your authorized Rotel dealer for further information.
Specifications
| Continuous Power Output (20-20 kHz, < 0.03%, 8 ohms) | 60 watts/channel |
| Total Harmonic Distortion (20Hz-20kHz) | < 0.03% |
| at rated power, 1/2 power, or 1 watt | |
| Intermodulation Distortion (60 Hz : 7 kHz, 4:1) | < 0.03% |
| at rated power, 1/2 power or 1 watt | |
| Frequency Response: | |
| Phono Input | 20Hz-15kHz, ±0.2dB |
| Line Level Inputs | 10Hz-100kHz, +1, -3dB |
| Damping Factor (20Hz-20kHz, 8 ohms) | 150 |
| Line Input Sensitivity / Impedance | 170 mV / 24k ohms |
| Line Input Overload | 5 V |
| Phono (MM) Sensitivity / Impedance | 2.8mV /47k ohms |
| Input (Phono) Overload | 170mV |
| Preamplifier Output / Impedance | 1V / 470 ohms |
| Signal to Noise Ratio (IHF “A” weighted) | >95 dB |
| Power Requirements: | |
| USA: | 120 Volts, 60 Hz |
| EC: | 230 Volts, 50 Hz |
| Power Consumption | 300 watts |
| Dimensions (W x H x D) | 431 x 99 x 339 mm |
| Front Panel Height | 2U (88.1mm) |
| Weight (net) | 7.8 kg, 17.2 lbs. |
All specifications are accurate at the time of printing.
Rotel reserves the right to make improvements without notice.
Rotel and the Rotel Hi-Fi logo are registered trademarks of The Rotel Co, Ltd., Tokyo, Japan.
EXTRA INFORMATIE: Remove the batteries from the remote if it will not be used for a long period of time. Do not leave run down batteries in the remote control; they can leak corrosive chemicals which will damage the unit.
Media Player-ingang 4 57
Förstegsutgangar 57
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CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT. INSERT FULLY.
ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA LABORNE CORRESPONDAnte DE LA PRISE ET POUSSER JUSQU AU FOND.

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Copepkanhe
Figure 1: OprahbI ynpablenia npazbembl 3
Figure 2:ПультДУ RR-AT94 3
Figure 3:Плдоевинецнчтунковсгогалаиakуctчecкхстtem 4
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Функци DVDs 63
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BASS TREBLE (Peryjarytopby TeM6pa) 79 66
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BbXoD Phones (HauuHnKn) 5 66
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OKompanROTEL
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Первbieшагn
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O63aTeNbHO coXpaHIne Yek n rapaHTnHbT aToH. 3To rnaBHeIe DOKyMeHtbl, yIOCTOBepraIOUne daty NOKynK, B cnyae o6paueHn3a rapaHTnHbIM O6clyKnBaHnem.
PazmeuHne
Kak n BCE KOMnoHentb, 6pa6abtbaHOuOne cna6bIe 3NeKtpnueckne cnHaJIb, RA-1520 noDBepKeHN BnHnHIO OKpykaUoSeI cpebl n dpyrOrO o6OpyDoBAnH.N. CtapaiTeCb He CTaBnTb RA-1520 Ha npyrne KOMnoHentb I He npoklaDbBATc NcHraHbHbe Ka6eN pRdOM co shypamn nHTAHN. 3TO CHn3NT BepoAHTHOCTb NOMex.
B npocece HopmaIbHoi pa6oTbRA-1520 BbIeJETenno. PAnatopbI n BeHTnJIauOnHHie OTBepCTn npedHa3NaueHbI dIa OTbOda 3tOrO TeIIa. He 3arOpaxKbAte BENTnJIauOnHHie OTBepCTn Ha BepxHe KpbUke. OctabTe He MeHee 10 cm CBo6oHoro npoctpaHCTBa BOKpyr Kopnyca n o6ecneYte DoCTaToCHyB IO3dyXoo6MeH, YTO6blYcINlTeN he nepepeBaIcn.
Iomnhte o Bece ycnilnten, kOrda Bb6npaete MeTo dIra erO yCTAHOBKn. Y6eHntecb, yTO nONka HIN NOCTABKA DOCTATOHO npoHa, yTO6bl bYdepxatb Bec annapata. Pekomehnyem mCNoIb3OBaTb CneuAnl3nPOBaHHyo Me6JIb dJIyAynO KOMnoHEtOB. Takay Me6JIb paccHTaHa Ha NODaBLeHne Bn6paun, BInraHoue Ha KaueCTBO 3ByKOBocnpOn3BeDeHry. O6pATHeCk K ABTopn3OBaHHomy dInepy Rotel 3a CoBcTOM no npabInbHomy Bb6Opy Me6eHN dJIK KOMnoHEtOB I no npabInbHo IN x yCTAHOBKe.
RA-1520 noctabnaetcncnbltom RR-AT94, ndoJKeH 6bItb yctahOBHeN TAK, 4TO6bl HcPakpachn CnHaI OT nylTa MoR IerKo doCTnB DaTnKa Ha nepeDneH naHEn yCunnteJ.
Kabéni
山HpybI nHTAHnI, uOpOBBe I aHaIorOBBe ayDnIO Ka6eI DonJXhI hAXoINTcR KAK MoKHO dALbWe Dpyr OT dpYra. B 3tOM cnyae MeHbIe WAnCOB, yTO aHaIorOBbI CnIHAN 6yDet 3aqr3HeH Shymom I NOMExAMN OT CnIOBbIX NOpPobBX Ka6ene. C ToJ Xe ZelbIO UcNoJIb3yIte TOnbKO BbICOKOkaeeCTBeHHbIe EKpaHnpOBaHHbIe Ka6eII. O6patnteck BaWemy ABTopn3OBaHHomy dInepy Rotel 3a cobetamn no Bb6opy CambIX LyuHXx Ka6eI dnn IcNoJIb3OBaHHa B BaWei ayDINO CnCTeme.
NyIbT IY
Bxodzui B KOMnKeT RA-1520 nybT RR-AT94 MoKet ynpabTb camm annapaTom u else heKOTOpbMn dpyrnn KOMnoHentAm Rofel: CD-nleepamn, DVD-nleepamn n AM/FM tHepeamn.
Aydnopepylnopobkn ABCE
Болшинстwo Кнорok пьта RR-AT94 du6linpyot Kнорки на\ pepeнй паелу RA-1520.Есни Функця дocTyнда кak с pepeнд... naelen, tak и с пьта, в далбейших oniccaHHx npinbodЯг... (cm. рс. pepeнд паели), a takxe 6ykbbl (cM. рс. кнорok на\ nyte).Hanpimep, дя Измени Грмкости bbl можete пб... nobepHytb руky rpoMKoCTn ha pepeнд паели, пб NOcNoIb3OBaTb\ Khonkn Ha pepeнд паели.Есни япсутctbyeТ только YICNO\ nToIbKO 6yKBa, 3haunt opran упapВеNHry dOcTuYEN ToIbKO Ha\ pepeнд паели nln Ha pynthe, Ho He B DByx MeCTax.
Функцин CD ⑥
Посе того, каб на пьыт haхка CD, конд play, STOP, PAUSE, TRACK RANDOM, a taKxe zuCфpoBbIMn KONКAMM NUMERIC (0 - + 10) moKho ynpabTb MOrm CD-пeepamr Rotel.
Функцин DVD ⑥
Поспе тoro, кан ha nylbte haxata kHONka AUX1, kHONkAmI PLAY, STOP, PAUSE n TRACK +- moxho ynpabTb mHorumn DVD-nneepamr Rotel.
Функции Тонера ①F
Iocne toro, kak ha npbte haxata KHonka TUNER, KhoKamn BAND, TUNING ndoonHntBhIMn KhoKamn HactpoiKn moxHo ynpabTb Tiohepamr Rotel.
ПРМЕЧАН: Руmonчанно улът RR-AT94 может уравлът Тонерам RoteI RT-1080/RT-1082/RT-1084. Пуньт можно тakxe ЗапPORpамп罗вати на уралблиене Тонером RT-940AX. 3To hyжно пюделаты толъко одн ра3:
4To6bl 3aIporpamnpoBAtb Ha pa60Ty c RT-940AX: Haxmnte KhoNky POWER u cnlopoByo KhoNky "2" oJHOpeMeHHO. 4To6bl 3aIporpamnpoBAtb Ha pa60Ty c RT-1080/ RT-961/RT-955: Haxmnte KhoNky POWER u cnlopoByo KhoNky "1" oJHOpeMeHHO.
DatYHK INCTAHUONHO YnpabNeHn
IatuK BocnpinHmaeI HcpaKpaCbIe CnHaJI bI nCTaHcNHO rO ynpabHeHr O npbTa. He 3aropaxnbAte erO, Ihaue dctaHcNHOoe ynpabHeHne He 6ydet pa6oTaB.
Ha pa6oTocnooc6hOcTB cencopa moKet TAKKe NOBnIaTb JPKmCBET, Oco6eHNO coNHeuHb; n HeKOTOpbIe TINbI NCKycCTBeHHOro OCBeUeHnA, HapnpMep, ranoReHoBBie lamNbI, 3NaHTeJIbHnA qAcTb CneKtpa KOTOpbIX haxoDITcB INHpaPakpachOM dHnAna3OHe. Kpome ToRIO, NCTAHnOHHO ynpabLeHne 3aTpPydHaretc npn IcToUeHn 3JeMeHTOB nITAHnpybTa RR-AT94.
BxOdbI liNeHOro yPoBHa
RA-1520 NmeeT npnnapbO6bHbIX RCA pa3bEmOB nIg BxOIOB IINHeHOro yPoBnA O T KOMNoHErTOB, TaKnx KAc CD-nIeepbl, BInDeOmarHnToCfoBoH, THOpEpb, DVD-nIeepbl nPonIrpblBaTeTI Na3ePbHbX DnCKOB. 3TN BxOdbI MapKnupoBaHbCD, TUNER N AUX.
BxodJIeBOrO n npABOrO KAHAnOB YBHO NOMEueHb I DOJXhbl NOcOeHNrTbcR K COOTBetCTByIOUIM KAHANAM KOMNoHEHTaNCToUHnka.ΓHe3DoJeBOrO KaHana 6Enoe, npABOrO -Kpachoe.ДЯ NOcOeHInHnI cnoNb3yIte BbICOKOKaueCTBeHHbIe Ka6eJIu CoWTekepaMn RCA.BaAabTopu3OBaHHbI dIneP ROTEL MoKet NOMOyBam B bIbOpe coOTBetCTByIOUINx Ka6eNeI dIra BaWei CnCTembl.
IopocenHeHne3aHnCbBAIOUxuCTPOCTB 2021
BxOdbI bVbIXoDbI Tape MoXHO NOcOeINHtB K IIO6OMy yCTpoICTBy 3aNCSI/BOcPnOu3BeDeHnra, OChAuEHHOMy CTaHdapTbIM JInHeHbIM aHaNoRObM BxODom N bVbXoDM. KaI npaBnIo, 3To KaccTeHAR daKa. Ha 3aJNei NaHei NMeHOTc DaBa KOMPneKta pa3bEmOB, o6o3HaueHHbIX TAPE 1 NTape 2.
Pn noCoeHHeHH 3aHcBbAIOUeO yCTpoCTBa K RA-1520 BxOdbpeKOpDepa noCoeHNHOTcK BxOdAm Tape RA-1520,a BxOdbpeKOpDepa-K BxOdAm Tape RA-1520.Kak Bcerda,co6IIOaTe COoTBETCBHe NEBORO n npABoro KAHOANOB.ДЯ npEDoTbpaueHn CHIXeHnKaueCTBa CnHana NcNoJIb3yIte BbICOKOKaueCTBeHHbIe coeHNHTbHbIe Ka6eni.
Iopoeunen12-BtpnrrpHoroCmHaJia
HekotopbIe ycInuTei RoteI cnOcO6hBi BKInoUaTbcN BvIKInouaTbcn no KOMAnDam 12-B TprirrepHorO cInHaJa, nocblaemoro Ha nIX BXoJ. Korda RA-1520 BKInoUeH, 12-B CInHaI NOCToHHORO TOKa Nocblaetca Ha ycInuTei dnn Ix BkInoueHn. Korda RA-1520 BvIKInouaETc, TprirrepHbI CNrHaI npepbBaetcN BHeuHn ycInuTeJIb TaKKe BvIKInouaOTc.
Aydno perylnpovkn
Cneyuoune perynipobkn nCnoIb3yIOCT npn pa6oTe c RA-1520.
PerylaTOp rpoMkoCTn (VOLUME) ⑥
YTo6bNoBbICntb rPOMKoCTb, NoBepHnTe peryJrTop VOLUME no
aCoBOi CTpeJIke, YTo6bNoHn3NTb - npOTNB uacBOi CtpeIKN. Ha
nyIbTe RR-AT94 NoNb3yIteCb KhONkAMn Volume ^+ n-dna NobblSeHn
n NoHnKeHn rPOMKoCTn.
BALANCE (PergyIop 6aJHca)
Perynupobka 6aanhca npedha3haeHa dIg CmeueHna BneBO nINBnpabO 3ByKOBO nnhopambl. HopmaIbHOe noOnKeHne 3TOrOPeyIaTOPa - cpeHne. HOrda, oO6eHNO ecnn MeTo cnUwateJIcCmeIeHO OT ceHTpaIbHO OCN Mekdy KOLOHKAMN, BO3HNAeTHeo6XoDmOCTb CMeCTnTb 3ByKOBO 6aAnHC BNEBO (NoBopOTperyIaTOPa IpotNB YacOBn CTpeLKn) nIN BnpABO (no YacOBn CTpeNke).
BASS u TREBLE (Peynaytopb TeM6pa) 79
ДepyкнHa nepedneн paHEn npedna3haueHbДЯpeYrnpOBKn ToHahBHorO 6aHAnca 3Byka, yCnInBaN aNn Ocna6Jy rpoBeH Hn3Knx qactOT (Bass) n yPoBeHb BbICOKnx qactOT (Treble). EcnnpeRynpOBKn Tem6pa He huxbl, Tc nOMoCbIO bblKlnHOatTeIaTONE moXHo nx o6oHTn.
BbIKHouateIbpeyIaTOpOB Tem6pa (TONE On/Off)
Korda 3OT BbKnIOuateIb HaxOOnTcB N noLoXeHn Off, to ceni peryIaTOPOB Tem6pa Bass n Treble uckNIOUoAHOTc n3 TpAKTa npoxOKeHn CnHaJa dIg NoLyHeHn KAK MoKHO 6OJee UcTOrO 3ByKa.
CeIeKTop BxOIOB- Listening Selector 138
Celenktop BxodOB LISTENING cnyKNT dIyBb6opa BxodHoro CnHaJIa, KOtOpB noIeT Ha IraBhIe BbIXObl nDaee Ha ycNInTeJIb MoUHOCTN - nonpOCTy RObOPA, dIy Bb6opa NcTOuHnKa, KOtOpB bI 6yDeTe cnyWATb. IobepHnTe pyky celenkTopa Ha nepeDne nAnen IINn HaxMITE ONDY n3 KHOJOK HA npIbTe RR-AT94, yTo6bl Bb6paTb NcTOuHnK dIpyocLyuWBAHn.
CeIeKTop BbIXoIOB Ha 3aIncb - Recording Selector [2]
YcHnTeB RA-1520 MoKet Bectn 3aIncb c IIO6O Ro BXoHoro nCTouHnka (Kpome TAPE 2) Ha IIO6oe yctpoiCtBO, NOCDoeHNHeHoe K BbXoDAM TAPE 1 nTn TAPE 2. DЯ Bb6opa nCTouHnka dЯ 3aIncn noBepHnTe pyky ceJeKToPA Ha nepeJHne naHEn nJa Bb6opa HxKHO rHana, KOToBpI NoIeT Ha BbXoD nIra 3aIncn.
3TOT celenktop He3aBnCm OT celenktop nCTOCHNKOB dnn npocnyuubAHn. Bo Bpem 3aHcN Bbl MoKeTe Bb6paTb DpyrHy nporpammy dnn npocnyuubAHn C nomoCbIO celenktopa LISTENING.
Ecni y Bac ectb TpexrOIOBOUHAR KACCETHA DeKa nIi DAT-pekOpdep, KOtobpi N03BOLaReT ONDOBpeMeHNO BcTe 3aIncb N BOCnpoIN3BeDeHne, Bbl CMOKeTe KOHTPOJNPOBaTb Ipouecc 3aIncn, YCTAHOBuB celenKTop LISTENING B NoIooKeHne TAPE 1 nIi TAPE 2.
PIMMEAHNE: Ecnn Bbl Bb6epTe TAPE 1 c nmoa boceneKTopa RECORDING, cnHaI dIra 3aIncn 6yJeT doCTyneHToJIko Ha BbIXOe TAPE 2, a He Ha BbIXoJe TAPE 1. IJKAONIPOBAHNA 3aIncn Ha JeHTe, Bb6epTe TAPE 1 IN BeINTe 3aIncsHa KaccETHyO Deky, NOdKnIOueHHyO K BbIXOy TAPE 2.
KhoNka MUTE (3aIyueHne 3bYka) A
YTo6bBpemehno 3aRnyuHtB 3Byk, HaxMnte KhoNky MUTE Ha npIbTe RR-AT94. YTo6b BOCCTAHOBnTB NcOHDhBI yPoBeHb rPOMKoCTn, HaxMnte Ty Xe KhoNky eue pa3. Ppu 3aRnyuHHom 3Byke CBeToNDnOHa perynTope rPOMKoCTn Mtraet.
BbIXoJ Phones (HayuHnKn) [3]
K 3TOMy rHe3dy dIJI nepcoHaJIbHOrO npocnyuINBaHNIOJcOeINHrOTcCTaHdApTbIbe cTepeoHauyuHKn CO wTeKePOM 1/8 IOnMa.
Ecnn y Bawnx HaywnkOB npyro wTekep, nOnnoB3yIte nepexoHnK. Baw aTOpin30BaHHb dInep ROTEL MoKeT nomOy bAM B Bb6ope coOTBetCTByUoIero aAnTepea dIra Bawnx HaywnkOB.
ПРМЕЧАН: ПОДСЕДИЕНЕ НAYSUHINKOB He OTKПУOAET 3BYK B AC.ЕСЛЗTO HeO6xOДIMO, OTKПУОЧАITE 3BYK B AC cnomoцьoceltektopa SPEAKERS.
CeJIeKTop npapakcyTnuecknx cncTeM SPEAKERS Selector
CBeToIIOHbI INHdkATOp 3aIHTbl
Cxembl 3aunbl, B TOM uHcIe TepNoBov, npedotBpaauhot
notehuahlhoe noBpeJdeHne ycuiTEnB CnUyae 3KCTpeMaIbHbIX
CHTaun nn COCToAHN OTKa3a. B OTlunue ot MHOrnx dpyrnx
ycuHnteJe, cxema 3aunbl RA-1520 He3abucima O ayDIO cHraJa
He BnAET Ha KaueCTBO 3BykoBocpon3BedeHna. BMeTO 3toro,
cxema 3aunbl OTCLeXINBAET Tempepatypbl BixOHDhX TpAn3HcTOpOB n
OTKnUohAeT ycuiTEnb, ecn OHn npebuHaOH 6e3onacHbe npedenbl.
Kpome toro, RA-1520 cha6xhen 3auntoi on npebbiwehna Toka, kotopar cpa6aibBaet, tobnko ecnn imnpeanhc harpy3kn CTahOBITc cnWkOM Hn3Km. 3Ta 3aunta yBnETC He3abncmO nIg KaKdOrO n3 KAHANOB INHnDnupyETc CBetOnIOdom Protection LED.
Pn Hactynenm OTKa, ycnntelb octahOBNT Bocnpun3BedeHne, n CBtoND Protection LED 3aropntc ha nepeDne naHenn.
Ecnn 3TO npOn3OuIeT, BbIKNoUHTeY cUnInTeIb, DaIte EmOcTbIb HeckoBko MnHyT I nonbTaIteCb o6HapyKInb I nCnpaBnTb IpO6JIeMy. IJa KaKdoI napbl KaHAnOB cyueCTbYOT CBOH INdNkATOpbl, KOTOpbIe MoTy T NOMOy B ONpeJeHEnPiuHnbl HneCnpaBHOctN. Korda Bbl BkIoHuAte YcUnInTeIb ChOBA, CXema 3aUNTbl ABtOMaTnueCKn c6paBaetcI u INdNkATOp Protection LED rachET.
B 60JIbUHnCTBe cIyaeB, CXeMa 3aIuNTbI aKtINBnpyetcB r pe3yIbTate HeuCnpabHBocTN, TAKO KAK KOPOTKoe 3aMbKaHne B aKcyCTnueckOM Ka6ene IIN HeIOCTaTOUHAR BeHTnIraUN. B OueHb peDkNx CnyaAx, cpa6aTbIBaHHe CXeMbl 3aIuNTbI MoXeT oByCNOBtB BbICOKaR peAKTINBHOCTb IIN Ype3BbUaHNo Hn3KN mMpeDAHC rPOMKOROBOpTeJIr HArpy3Kn.
06HapyKeHne uYcTpaHeHne HencpabHocTei
Болшинсво HeNoIaOK B aydnocnteMax npOnCxOJNT n3-3a He npabInbHbIX coeINHeHn nII HnpabInbHbIX yCTaHOBOK opraHOB UnpaBHeHn. Ecni, HeCMOTpHa TtuaTeNbHyo npOBepKy coeINHeHn uCTaHOBok, Bbl He moKte To6nbTc8 3Byka ot RA-1520, npocmToptne npedctabHeHHbHnXe CnCOK.
He CBETCTa HINDKATOP NITAHN
Korda Bnka shypa nHTaanra RA-1520 BCTabHea B cTeByo po3etky
Hn Haxat BbIKNoUcATEIb POWER,doJxhen CBETbcra KOBceBOI
HnDnKaTOp nHTaan. Ecnn OH He CBETcra, npOBepbTe HAnuHne
HaPjaXeHNBA CTeBOI po3EtKe dpyrIM 3NeKTPponp6opom,
HaPnMep, lamnoy. Y6eNTecb, yTo po3eTKa He KOHTpOInpuyETc
KAKm-Im6 BoBbIKNoUcATEIem, KOTOpbi B DaHHb MOMENT BbIKNoUeH.
3aMeHa npeDoxpanHTeJia
Ecni npryo3 nektpnpn6op, noKnIOeHHbK TOn Ke po3eTke, pa6otaet, a RA-1520 - HeT, BO3MOxHNo, npeperOpB BHyTpEnHnn pIaBKNi npdeOxpaHnteB npOnrpbBatela. B 3tOM cnyuae o6patntecb B abTopn3OBaHHyO cepBcHyo cnyx6y Rotel.
Het 3byka
y6eintecb,yto nctouhNcHnHa HOpMaIbHo cyHKuOnHpye.
PpOBepbTe Ka6en, noCoednHouOuBxOa RA-1520 K nCTouhky
CnHnA; y6eintecb,yTO cEKeTOp BXoOBJ CtaHOBJI B HuxHOe
noIOXHe. PpOBepbTe TAKXe noCoeHNHeHne RA-1520 K AC.
CBeTcN HnDkatop PROTECTION
Cpa6oTana cxema 3auntbI. O6bHNO 3To npOnxCOJNT npn 6NoKpOBKe BENTINJIaONHOHBIX OTBepCTNI, HENpABINbHOM NOcOeDInHeHH AC nII npoDOxNtBJHO pa6ote B 3KCTpeMaJIbHOM peXmJE. BbIKIOHTe CnCTEMU NPOJOxDNITE, NOKA YcUNITbOCTbHET. 3ATEM BKLIOHTe IN BbIKIOHTe KNONKY NtANHNA HApEpdHne NaHEIN, YTO6bICpocTb UcTpoCTBO 3aunTB.I. EcIN 3aUnTA cPa6aTbIBaET nobTOHO, 3NaHT, HencnpabHOCbT 3akHouaetcB CnCTeME nIIN CAMOM ycUNITe.
KoHΦmIKTBiKOIOB NyIbTOB IY
Rotel nCnoJb3yet Odnn Ite Jke IK-KoDbI dIe BceX Cbox ayDIO npOdyKtOB. B ciCTemax rIe Imeetc MHOKeCTBO KOMNoHEnTOB Rotel, IK-KoDbI dIe YnpaBLeHnO IOnHM KOMNoHEnTOM MOrY T KOHcFlNKToBAtb c Koamn dIpyrOTo KOMNoHEnTA. IIn yNbTa RR-AT94 uCnuNTeRA-1520 MoKHO 3aDaTb 3aapanChbIe KOsbl YnpaBLeHn, UTo6bl npedotbpaTb KOHcFlNKtBl.
Дя Смени КODВ RR-AT94,нжмte кноку Phonoи Кноку 2 Оновремно. Дя Смени КODВ RA-1520, habравы пьт RR-AT94 Ha RA-1520, a 3aTe mжмte и уdeckжte Кноку 2 6олe 5 секун. CBetodиOD LED ha perylntope rpoMkoCTn 6ydet Mngatb, сгнанизиру,чTo KoДиЗмehen.
ПРМЕЧАН: Посл смени КОДВ corlacho npoцуpe, yka3aHHо Bblwe, nyIbT He cMOxet 6OJIbWe ynpabIaT b THepaMn Rotel.ДЯ BO3BpATA IK-KoIOB RR-AT94 B COCTOAHne NO yMOJIaHnHO, HaxmITE KONKPy Phono n KONKy 1 OndOBpeMeHNo.ДЯ BO3BpATA IK-KoIOB RA-1520 B COCTOAHne NO yMOJIaHnHO, HapabTe NylbT RR-AT94 Ha RA-1520 a 3aTeM hAXmITE n YdepXkTe KONKy 1 6OJIe 5 cekyHd. CBetoNOD LED Ha peryIaTope rPOMKocTn 6ydet MIRaTb, cnHAnIn3upy, yTO KOJ nI3MeHEn.
C6poc IK-koidea
EcnnBAM Heo6xOAnMo c6pocntb IK-Ko, HaxMnte KhONky MUTE A Ha npIbTe RR-AT94 n ydepXnTe ee 60nee 5 cekyHd, HanpaBnra npIbTa HA RA-1520. YcTpoiCTBO BepHcTcB COCTOAHnE no ymoUaHnIO n CBetoNOD Listening CD LED 3aoropntc, INduuPpy, TTO IK-KoD c6pOWeH. O6patntecb K BaWemy aTOpIN3OBaHHomy dInepy Rotel 3a DonoHNHTbHO IHOpMaueNe.
Texhnueckne xapaktepnctnkn
Homnha BbIXoHaM MoHocTh, Hnp. 60 Bt/kaHAn
$$ (20 \Gamma_ {U} - 20 \kappa \Gamma_ {U}, < 0, 03 \%, H a 8 O M) $$
06une rapmoHueckne nckaeHen THD <0,03%
$$ (2 0 \Gamma_ {U} - 2 0 _ {\kappa} \Gamma_ {U}) $$
$$ \text {I p n H O M M H A N B H O N M O U S H O C T N}, $$
$$ 1 / 2 \text {M O U S H O C T N I N I} 1 B \tau $$
HHTepmoDyIaIIOHHbIe NCKaXKeHNs <0,03%
$$ (6 0 \Gamma_ {4}: 7 \kappa \Gamma_ {4}, 4: 1) $$
$$ \text {I p n H O M M H A J b H O I M O L U N O C T N}, $$
$$ 1 / 2 \text {M o u s h o c t n} \text {H I N} 1 B T $$
HactoTHaXapaKTepeNCTnKa
BxoD Phono 20T-15K+0,2
JIINHeHbIe BXOdbI 10Γu-100KΓu,+1,-3dB
DemnHr-ΦaKTop (20Γu-20κΓu,8OM) 150
YbCTBnteIbHocTb/Bx. conpotnbJeHne 170 MB/24 KOM
Ipeperpy3ka no IINHeHOMy BXOy 5B
YbCTBNTeNbHOCTb/BX. COnpOTNBHeHne, 2.8 MB/47 KOM
Phono (MM)
Ipeperpy3ka no Bxody Phono 170 mB
BbIXoI npEycnHtTe/By. coPOTNBHeHne 1 B/470 OM
OTHoWeHne CnHaJ/wh >95
$$ (I H F _ {B 3 B e W e H N O E} \text {n o} K p n B O W \text {"} A") $$
Tpe6OBaHHK 3NeKTponHTAHHIO
CUSA: 120B,60T
EC: 230B,50T
Iotppe6nemma MouHoctb 300Bt
Γa6apntb (xxBxr) 431x99x339 MM
Bbicota nepeDne nane 2U (88.1mm)
Macca HETTO 7,8 K
Bce texnueckne xapaktepeuactkn cootbetctbyOT deiCTbIeHocTn Ha daTy n3dAnH.
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