Rotel RB-1590 User manual

Owner’s Manual
使用说明书
RB-1590
Stereo Power Amplifier
立体声后置放大器
RB-1590
POWER

2RB-1590 Stereo Power Amplifier
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 10 cm 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.
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.
Important Safety Instructions
WARNING: The rear panel power cord connector is the mains power
disconnect device. The device 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: 120V/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 power 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.
This apparatus shall be connected to a main socket outlet with a
protective earth connection.
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 insulation
and minimize the risk of electric 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.
RB-1590
POWER
Pin Assignments
Balanced Audio (3 pole XLR):
Pin 1: Ground / Screen
Pin 2: In phase / +ve / Hot
Pin 3: Out of phase / -ve / Cold
12
3

3
Figure 1: Controls and Connections
Commandes et Branchements
Bedienelemente und Anschlüsse
Controles y Conexiones
Bedieningselementen en aansluitingen
Controlli e connessioni
Kontroller och anslutningar
Органы управления и разъемы
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALA NCED
UNBALANCED
12V TRIGGER
ON
OFF IN OUT
UNBALANCED UNBAL ANCED
RIGHT IN PUT LEFT INPUT
BALANCED BALANCED
RIGHT SPEAKER LEFT SPE AKER
RP-5 53A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
RB-1590
POWER
PUSH PUSH
2
3
2 43
657
5
1

4RB-1590 Stereo Power Amplifier
Figure 2: Analog Inputs and Speaker Output Connections
Branchements des entrées analogiques et sorties enceintes acoustiques
Anschlussdiagramm
Conexiones Analógicas de Entrada y de Salida a las Cajas Acústicas
Analoge ingangen en luidsprekeruitgangen
Collegamenti ingressi analogici ed uscite diffusori
Analoga ingångar och högtalaranslutningar
Аналоговые входы и выходы на акустические системы
SPEAKER SPEAKER
HF
LF
Bi-wire Connection
Single Wire Connection
RIGHT
OUTPUT
PREAMP
LEFT
OUTPUT
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALAN CED
UNBA LANCE D
12V TR IGGER
ON
OFF IN OUT
UNBA LANCE D UNBA LANC ED
RIGHT IN PUT LEFT INPU T
BALAN CED BA LANC ED
RIGH T SPEAK ER LEFT SPE AKER
RP-55 3A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
PUSH PUSH
RB-1590
～
～

5
Figure 3: Balanced (XLR) Inputs
Branchements des entrées symétriques (XLR)
Symmetrische(XLR-)Eingänge
Entradas Balanceadas (XLR)
Gebalanceerde ingangen (XLR)
Ingressi analogici bilanciati (XLR)
Balanserade ingångar (XLR)
Балансные (XLR) входы
SPEAKERSPEAKER
ANALOG OUTPUTS
BALANCED RIGHT BALANCED LEFT
PREAMP
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALA NCED
UNBA LANC ED
12V TR IGGE R
ON
OFF IN OUT
UNBA LANC ED UNB ALAN CED
RIGHT IN PUT LEFT INP UT
BALA NCED B ALAN CED
RIGH T SPEA KER LEFT SPE AKER
RP-5 53A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
PUSH PUSH
RB-1590

6RB-1590 Stereo Power Amplifier
Important Notes
When making connections be sure to:
4Turn off all the components in the system before hooking up any components, including loudspeakers.
4Turn off all components in the system before changing any of the connections to the system.
It is also recommended that you:
4Turn the volume control of the amplifier all the way down before the amplifier is turned on or off.
Remarques importantes
Pendant les branchements, assurez-vous que :
4Tous les maillons sont éteints avant leur branchement, quels qu’ils soient, y compris les enceintes acoustiques.
4Éteignez tous les maillons avant de modifier quoi que ce soit au niveau de leurs branchements, quels qu’ils soient.
Il est également recommandé de :
4Toujours baissez le niveau sonore via le contrôle de volume, avant d’allumer ou d’éteindre l’amplificateur.
Wichtige Hinweise
Achten Sie beim Herstellen der Verbindungen auf Folgendes:
4Schalten Sie alle Komponenten im System ab, bevor Sie Geräte (einschließlich Lautsprecher) anschließen.
4Schalten Sie alle Komponenten im System ab, bevor Sie Anschlüsse im System verändern.
Ferner empfehlen wir, dass
4Sie die Lautstärke herunterdrehen, bevor Sie den Verstärker ein- oder abschalten.
Notas Importantes
Cuando realice las conexiones, asegúrese de que:
4Desactiva todos los componentes del equipo, cajas acústicas incluidas, antes de conectar cualquier nuevo componente en el mismo.
4Desactiva todos los componentes del equipo antes de cambiar cualquier conexión del mismo.
También le recomendamos que:
4Reduzca el nivel de volumen de su amplificador a cero antes de activarlo o desactivarlo.
Héél belangrijk:
Bij het maken van de verbindingen:
4Zorg dat niet alleen de RB-1590, maar de gehele installatie uitstaat, als nog niet alle verbindingen gemaakt zijn.
4Zorg dat niet alleen de RB-1590, maar de gehele installatie ook uitstaat, als u verbindingen gaat wijzigen.
Wij raden u ook aan om
4de volumeregelaar van de voorversterker geheel dicht te draaien (volkomen naar links) wanneer u uw eindversterker aan- of uitzet.
Note importanti
Quando effettuate i collegamenti assicuratevi di:
4Spegnere tutti i componenti del sistema prima di collegare qualsiasi componente, inclusi i diffusori.
4Spegnere tutti i componenti del sistema prima di modificare qualsiasi connessione nel sistema.
Vi raccomandiamo inoltre di:
4Portare il volume a zero prima di accendere o spegnere l’amplificatore.
Viktigt
Tänk på följande när du gör anslutningar:
4Stäng av alla apparater i anläggningen innan du ansluter nya komponenter eller högtalare.
4Stäng av alla apparater i anläggningen innan du ändrar någon anslutning.
Vi rekommenderar också att du:
4Vrider ner volymen helt och hållet innan förstärkaren slås på eller av.
Важные замечания
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7
About Rotel
Our story began over 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 it is especially important for a manufacturer to do all
it can to engineer products that have a minimum impact on the environment.
At Rotel, we are proud to do our part. We have reduced the lead content
in our products by using special lead-free ROHS solder and components.
Our engineers continually strive to improve power supply efficiency without
compromise to quality. When in standby mode Rotel products use minimal
power to meet global Standby Power Consumption requirements.
The Rotel factory is also doing their part to help the environment through
constant improvements to product assembly methods for a cleaner and
greener manufacturing processes.
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
The RB-1590 power output is quoted as 350 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. The highly regulated power
supplies of the Rotel amplifiers ensures that they will produce the full specified
power output to one or both channels.
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 the Rotel design is optimized for use with all channels
operating together, Rotel is able to specify the true power output for both
channels.
This can be important for your enjoyment, too. When watching movies, it’s
nice to have the amplifier able to reproduce full power into all the channels
at the same time, especially in the case of a volcano exploding!
Getting Started
Thank you for purchasing the Rotel RB-1590 Stereo Power Amplifier. When
used in a high-quality music or home theater system, your Rotel product will
provide years of musical enjoyment.
Contents
Important Safety Instructions ..........................................2
Figure 1: Controls and Connections 3
Figure 2: Analog Inputs and Speaker Output Connections 4
Figure 3: Balanced (XLR) Inputs 5
Important Notes 6
About Rotel .......................................................7
A Word About Watts ................................................7
Getting Started ....................................................7
A Few Precautions 8
Placement 8
AC Power and Control ...............................................8
AC Power Input 68
Power Switch and Power Indicator 18
Trigger On/Off Mode Selector 78
12V Trigger Input and Output 78
Protection Circuitry 19
Input Signal Connections 234 .......................................9
Input Selector Switch 49
Speakers Connection 5.............................................9
Speaker Selection 9
Speaker Wire Selection 9
Polarity and Phasing 9
Speaker Connection 59
Troubleshooting ...................................................10
Power Indicator Is Not Illuminated 10
Fuse Replacement 10
No Sound 10
Protection Indicator 10
Specications ....................................................10

8RB-1590 Stereo Power Amplifier
The RB-1590 is a high-power, two channel power amplifier, providing the
highest level of audio performance. A massive power supply, premium
components, and Rotel’s Balanced Design ensure superb sound quality.
High current capability allows the RB-1590 to drive the most demanding
loudspeakers.
Be aware that the RB-1590 is capable of high power levels, in excess of 350
watts respectively per channel. Make sure that your speakers can handle
the power of the amplifier. If in doubt about your speakers, ask your local
Rotel audio dealer for advice.
This amplifier is straightforward in its installation and operation. If you have
experience with other stereo power amplifiers, you shouldn’t find anything
perplexing. Simply plug in the associated components and enjoy.
A Few Precautions
WARNING: To avoid potential damage to your system, turn off ALL the
components in the system when connecting or disconnecting the loudspeakers
or any associated components. Do not turn the system components back on
until you are sure all the connections are correct and secure. Pay particular
attention to the speaker wires. There must be no loose strands that could
contact the other speaker wires, or the chassis of the amplifier.
Please read this manual carefully. In addition to basic installation and
operating instructions, it provides valuable information on various RB-1590
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 RB-1590 shipping carton and all enclosed packing material for
future use. Shipping or moving the RB-1590 in anything other than the
original packing material may result in severe damage that is not covered
by the warranty.
If included in the box please fill out and send in the owner’s registration
card. 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 required.
Placement
The RB-1590 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 unit 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.
AC Power and Control
AC Power Input 6
Your amplifier is configured at the factory for the proper AC voltage in the
country where you purchased it, either 120 volts or 230 volts. The AC line
configuration is noted on a decal on the back panel.
NOTE: Should you move your amplifier to another country, it may be
possible to reconfigure it for use on a different line voltage. Do not attempt
to perform this conversion yourself. Opening the enclosure of the amplifier
exposes you to dangerous voltages. Consult a qualified service person or
the Rotel factory service department for information.
NOTE: Some products are intended for sale in more than one country and
as such are supplied with more than one AC cord. Please only use the one
appropriate for your country/region.
Because of its high power rating, the amplifier can draw considerable current.
Therefore, it should be plugged directly into a wall outlet. The RB-1590 must
be plugged into a 3-pin polarized 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 amplifier and all the other
components connected to it.
Be sure the POWER SWITCH 1on the front panel of the amplifier is turned
off (in the “out” position). Then, connect the supplied power cord to the
Power Connector 6on the rear panel of the unit and the AC power outlet.
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 the RB-
1590 (as well as other audio and video components) while you are away.
Power Switch and Power Indicator 1
The power switch is located on the left side of the front panel. To turn the
amplifier on, push the switch in. The ring around the switch will light up,
indicating that the amplifier is turned on. To turn the amplifier off, push the
button again and return it to the “out” position.
NOTE: Place the self adhesive ring over the light surrounding the power
switch if the blue light is too bright.
Trigger On/Off Mode Selector 7
The amplifier provides the option for manual or automatic power on/off
operation. These modes are selectable using a toggle switch on the back panel.
With the switch in the +12V TRIGGER ON position, the amplifier is turned
on automatically when a 12V trigger signal is present at the 3.5 mm
connector of TRIGGER IN on the rear panel. The amplifier will go into
standby mode if the +12V signal is not present. The front panel POWER
SWITCH overrides this function. It must be ON for the +12V trigger to work.
Turning the switch OFF cuts power to the amplifier, regardless of whether
or not a trigger signal is present.
12V Trigger Input and Output 7
The connector labeled IN is for connecting the 3.5mm Plug/Cable carrying
a +12 volt trigger signal to turn the amplifier on and off. To use this feature
the 12V trigger toggle switch must be set to the ON position. This input
accepts any control signal (AC or DC) ranging from 3 volts to 30 volts.

9
The connector labeled OUT is for connecting another 3.5mm plug/cable to
provide a 12V trigger signal to other components. The 12V output signal is
available whenever a +12 volt trigger signal is applied to the IN connector.
Protection Circuitry 1
The RB-1590 features thermal and over-current protection circuits that
protect against potential damage in the event of extreme or faulty operating
conditions. Unlike many designs, these protection circuits are independent
of the audio signal and have no impact on sonic performance. Instead,
the protection circuits monitors the temperature of the output devices and
the current they are handling and shuts down the amplifier if operating
conditions exceed safe limits.
Most likely, you will never see this protection circuitry in action. However,
should a faulty condition arise, the amplifier will stop playing and the Power
Indicator on the front panel will blink.
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 Power Indicator
should light up, indicating that the amplifier is turned on normal.
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.
If the protection circuitry triggers repeatedly and you are unable to isolate
and correct the faulty condition, contact your authorized Rotel dealer for
assistance in troubleshooting.
Input Signal Connections 234
See figure 2 and 3
NOTE: To prevent loud, potentially damaging noises, make sure the amplifier
is turned off when you make any changes to the input signal configuration.
The RB-1590 has conventional RCA type input connectors, the type found
on nearly all audio equipment, as well as Balanced (XLR) input connectors.
Select high quality audio interconnect cables. Connect each of the outputs
from the preamplifier or signal processor to the corresponding input of the
amplifier.
Input Selector Switch 4
A toggle switch in the rear panel selects the type of input signal to use.
Select the correct inputs to use with this flip switch.
NOTE: You should choose only one method of analog connection from a
source component to the amplifier. Do not connect both the RCA and XLR
outputs of a source component to the same amplifier at the same time.
Speakers Connection 5
Speaker Selection
We recommend using loudspeakers with a nominal impedance of 4 ohms
or higher with the RB-1590. You should exercise some caution in driving
multiple pairs of speakers in parallel configuration, because the effective
impedance the amplifier sees is cut in half. For example, when driving two
pair of 8 ohm speakers, the amplifier sees a 4 ohm load. When driving
multiple speakers in parallel, it is recommended that you select speakers
with a nominal impedance of 8 ohms or higher. Speaker impedance ratings
are less than precise. In practice, very few loudspeakers will present any
problems for the RB-1590. See your authorized Rotel dealer if you have
any questions.
Speaker Wire Selection
Use insulated two-conductor stranded wire to connect the RB-1590 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 Connection 5
NOTE: The following text describes both binding post and plug-in
connections. DO NOT use both connection methods in combination to
connect multiple speakers.
Turn off all the components in the system before connecting the speakers.
The RB-1590 has four pairs of color coded binding posts, two for each
channel. These connectors accept bare wire, connector lugs, or dual banana
type connectors (except in the European Community countries where their
use is not permitted).
Route the wires from the RB-1590 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 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. Place
the connector lug or wire around the binding post shaft. Turn the binding
post clockwise to clamp the connector lug or wire firmly in place.

10 RB-1590 Stereo Power Amplifier
Specifications
Continuous Power Output 350 watts/channel
(20-20kHz, <0.03%, 8 ohms)
Total Harmonic Distortion (20Hz - 20kHz, 8 ohms) < 0.03%
Intermodulation Distortion (60Hz : 7kHz, 4 : 1) < 0.03%
Frequency Response (±0.5 dB) 10Hz - 100kHz
Damping Factor (1kHz, 8 ohms) 300
Speaker Impedance 4 Ohms minimum
8 Ohms rated
Signal to Noise Ratio (A weighting) 120 dB
Crosstalk / Separation > 50 dB
Input Impedance/Sensitivity
Unbalance 12k Ohms / 2.2 V
Balance 100k Ohms / 3.5 V
Gain
Unbalance 27.5 dB (±0.5 dB)
Balance 23.5 dB (±0.5 dB)
Power Requirements
USA: 120 volts, 60 Hz
EC: 230 volts, 50 Hz
Power Consumption 800 watts
Standby < 0.5 watts
BTU (4 ohms, 1/8th power) 2100 BTU/h
Dimensions (W x H x D) 431 x 237 x 454 mm
17 x 9 3/8x 17 7/8ins
Front Panel Height 5U / 221mm / 8 3/4ins
Weight (net) 38.1 kgs, 84 lbs
All specifications are accurate at the time of printing.
Rotel reserves the right to make improvements without notice.
Rotel and the Rotel HiFi logo are registered trademarks of The Rotel Co., Ltd.,Tokyo,
Japan.
NOTE: Be sure there are no loose wire strands that could touch adjacent
wires or connectors.
Troubleshooting
Most difficulties in audio systems are the result of poor or wrong 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
RB-1590, refer to the suggestions for the following conditions:
Power Indicator Is Not Illuminated
No main power to the amplifier. Check the front panel power switch. Make
sure that it is set to the on position. Check AC power connections at the
amplifier and the AC outlet.
Fuse Replacement
If another electrical device works when plugged into the power outlet,
but the Power Indicator still will not light when the unit 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
If the amplifier is getting AC power, but is producing no sound, check the
PROTECTION INDICATOR on the front panel. If it is blinking, see below.
If not, check all of your connections and control settings on associated
components.
Protection Indicator
The front panel POWER indicator is blinking when the amplifier 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 amplifier
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.

12 RB-1590 立体声后置放大器
警告：机内无客户可以维修的部件。请合资格
维修人员维修。
警告：为减少火灾或触电的危险，不要将本产
品置于潮湿环境中或水中。不要将本产品置于
滴水或溅水环境中。不要将含有液体的物件（
例如花瓶）放在本产品上。不要让异物进入本
产品外壳内。如果本产品进入潮湿环境中，
或异物进入本产品内，立即从墙上拔掉电源
线，将本产品送交合资格维修人员检查或进
行必要的维修。
连接或操作之前，请阅读所有说明。
请保留本手册，以便可以参照这些安全说明。
请留意这些说明和产品上的所有警告或安全信
息。请遵从操作说明。
只能用干布或真空吸尘器清洁。
不要在接近水的地方使用本产品。
本产品周围最少应有10cm或4in.的间隙。
不要将本产品置于床上、沙发、垫子或类似
的物体上，以防堵塞通风口。如果将本装置
放在书柜或橱柜上，柜上应有通风口，以便
于产品的散热。
请将本产品远离辐射、热源、火炉或其它发
热器具。
洛得产品符合电气和电子设备限制有
害物质（RoHS）以及处理废旧电气和
电子设备（WEEE）的国际指令。带叉
形符号的轮式垃圾箱标志指合乎规
定，且该产品应根据这些指令以适
当的方法进行回收或处理。
重要安全说明
警告：后面板上的电源线接头是主电源断开
装置。应该将本机放在可拔插电源线接头的
开放的地方。
只能将本产品连接到后面板指定的型号和电压的
电源上。（美国：120V/60Hz，欧洲：230V/50Hz，
中国：220V/50Hz）
只能用本产品提供的电源线或严格等同的电源
线将本产品连接到电源插座上。不得更改随本
产品提供的电源线。两极插头有两个插刀，其
中一个插刀比另一个宽。接地插头有两个插刀
和一个接地插刀。这些都是为了您的安全。不
得违反接地和两极安全规定。如果随本产品提
供的插头与您的插座不匹配，请咨询电工更换
陈旧的插座。不要使用延长线。
电源电缆的主插头是本产品的断电装置。要将本
产品从电源完全断开，应从主（交流）插座上
拔下电源电缆的主插头。拔掉电源线后，待机
指示灯熄灭。断路装置保持随时可操作状态。
不要使用变形的、收缩的、弯折的或损坏的，
电源线，不要将电源线置于热源附近。请特别
留意插头处和本装置后面的电源线。
雷暴天气中或本装置长时间不使用时，应将电
源线从墙上插头中拔出。
应当将本设备连接到带保护接地连接的电源
插座中。
只能使用制造商指定的附件。
只能使用洛得推荐的机架、立架或
支架。在支架或机架上移动本装置
时，请小心避免翻侧。
使用2类电线连接音箱，以确保正确的安装及
将触电风险减至最低。
在下列情况下，立即停止使用本装置，并请合
格维修机构检测和维修：
• 电源线或插头损坏
• 异物或液体进入进装置中
• 本装置遭受雨淋
• 本装置显示不正确操作的迹象
• 本装置跌落或以任何方式被损坏
RB-1590
POWER
12
3
引脚分配
平衡音频 (3个平衡极点):
脚1:地极/屏蔽
脚2:同相/+正极/热
脚3:异相/-负极/冷
适用于美国、加拿大、或其它核准使用的地方。
小心：避免触电，请将宽片插头对准宽口插座。完全插入。
注意：为避免触电，请将插头最大（长）的那片（头）插入
插座相应端口并插到底。
警 告
注意：为了避免触电危险，请不要打开！
电击危险，请勿打开
警告：
为了避免火灾或是触电危险，请不要使
机器受到雨淋或暴露在潮湿环境中。
本标记用于提醒用户，本产品内有未绝缘的
危险电压，可能引致触电风险。
标记提醒用户遵从本手册及随附文件中的操
作和维护（维修）指引。

13
RB-1590 立体声后置放大器
图1: 控制与连接
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALA NCED
UNBALANCED
12V TRIGGER
ON
OFF IN OUT
UNBALANCED UNBAL ANCED
RIGHT IN PUT LEFT INPUT
BALANCED BALANCED
RIGHT SPEAKER LEFT SPE AKER
RP-5 53A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
RB-1590
POWER
PUSH PUSH
2
3
2 43
657
5
1

14 RB-1590 立体声后置放大器
图2: 模拟输入和音箱输出连接
音箱 音箱
HF
LF
双线连接
单线连接
RIGHT
OUTPUT
前置放大器
LEFT
OUTPUT
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALAN CED
UNBA LANCE D
12V TR IGGER
ON
OFF IN OUT
UNBA LANCE D UNBA LANC ED
RIGHT IN PUT LEFT IN PUT
BALAN CED BA LANC ED
RIGH T SPEAK ER LEFT SPE AKER
RP-55 3A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
PUSH PUSH
RB-1590
～
～

15
RB-1590 立体声后置放大器
图3: 平衡(XLR)输入
重要注意事项
进行连接时，请确保：
4连接任何设备（包括音箱）之前，应关闭系统中所有设备的电源。
4 改变系统的任何连接之前，应关闭系统中所有设备的电源。
我们还建议您：
4 打开或关闭放大器之前，将放大器的音量控制调到最低。
音箱
音箱
ANALOG OUTPUTS
BALANCED RIGHT BALANCED LEFT
前置放大器
POWER AMPLIFIER
MODEL NO. : RB -1590
POWER CONSUMPTION : 800W
BALA NCED
UNBA LANC ED
12V TR IGGE R
ON
OFF IN OU T
UNBA LANC ED UNB ALAN CED
RIGHT IN PUT LEFT INP UT
BALA NCED B ALAN CED
RIGH T SPEA KER LEFT SPE AKER
RP-5 53A
SPEAKER IMPEDANCE
COMBINED LOAD
4 OHMS MINIMUM
PUSH PUSH
RB-1590

16 RB-1590 立体声后置放大器
洛得还不断地研发更加清洁、更加环保的制造工艺，为环保事业贡献自
己的力量。
洛得的全体同仁感谢您购买本产品。我们深信，本产品将为您带来数年
的美妙享受。
功率简介
两个声道均以最大功率运作时，RB-1590的额定功率输出为每声道350W。
洛得采用这种方式标注功率输出是由于，依照洛得的实践，它能传输给接
收器或功放器最真实的数值。
与其它产品的技术参数相比，您会发现它们通常以其它方式标注功率输出，
所以您不能以这种方式进行比较。例如，它们提供的功率输出可能只是一
个声道工作时的功率输出，从而给出一个更高的最大数值。
例如，它们提供的功率输出可能只是一个声道工作时的功率输出，从而给
出一个更高的最大数值。洛得高品质功放器提供的功率能保证产生全额标
定的功率输出，无论是单声道还是双声道。
音箱的额定阻抗表示它们连接到放大器时提供的电阻或负荷，通常为8Ω或
4Ω。阻抗越低，音箱需要的功率更高。实际上，一只阻抗为4Ω的音箱所
需要的功率为8Ω音箱的两倍。
但是，洛得放大器的设计可使用阻抗介于8Ω和4Ω之间的任何音箱，所有
声道均可以最大功率运作。基于对所有声道同时工作进行了设计优化，洛
得能够对所有声道标定真实的功率输出。
这对于您的娱乐享受很重要。当您看电影，尤其是观看火山爆发等场景
时，拥有一台能同时对所有声道进行全功率输出的放大器，绝对会是一
种美妙的享受。
开始使用
感谢您购买洛得RB-1590立体声后置放大器。配合高质量的音乐音频系统
使用，本装置可为您提供多年的音乐享受。
RB-1590是高功率的后置放大器，提供最高水平的音质表现。大功率电源、
优质的元件和洛得的平衡设计理念共同确保了上乘的音质。大电流输出能
力可使RB-1590能够轻松驱动要求最为严格的音箱。
RB-1590的输出功率非常大，每声道功率输出均超过350W。请确保您的
音箱可以承受RB-1590的功率。如对您的音箱存在疑问，请咨询当地洛得
授权经销商。
RB-1590的安装和操作都非常简单。如果您有使用其它立体声放大器的经
验，您会发现一切均易如反掌。您只需要把相关组件连接起来即可开始
享受完美音质。
几点注意事项
警告：要避免可能造成系统的损坏，进行连接或断开音箱或相关组件
之前应关闭所有系统组件。确保所有连接均正确和安全后再开启系统组
件。请特别注意音箱线。确保没有松开的线束与其它音箱的电线或放大
器的机架接触。
目录
重要安全说明 ..................................................12
图1: 控制与连接 13
图2: 模拟输入与音箱输出连接 14
图3: 平衡(XLR)输入 15
重要注意事项 15
关于洛得 ......................................................16
功率简介 ......................................................16
开始使用 ......................................................16
几点注意事项 16
放置 17
交流电源和控制 ................................................17
交流电源输入 6 17
电源开关和电源指示灯 1 17
触发模式选择开关 7 17
12 V触发输入和输出 7 17
保护电路 1 17
输入信号连接 234 ...........................................17
输入选择开关 4 17
音箱连接 5....................................................18
音箱选择 18
音箱线选择 18
极性和相位 18
音箱连接 5 18
故障排除 ......................................................18
电源指示灯不亮 18
更换保险丝 18
没有声音 18
保护指示灯 18
技术参数 ......................................................19
关于洛得
洛得已有超过50年的历史。几十年来，我们的产品已赢得数百次奖项，满
足了无数对娱乐有着严肃态度的人士－比如您。
洛得是一个家族公司，他们对音乐的激情让他们致力于制造高品质的高保
真音响设备。多年以来，这种激情丝毫未减，而为不同预算的高保真音响
发烧友和音乐爱好者提供超值产品的目标，是洛得所有员工的共同追求。
洛得的工程师紧密协作，认真倾听并精确调谐每个新产品，直到其符合苛
刻的音乐标准。他们从世界各地挑选部件，以令其产品尽善尽美。您可能
会发现英国和德国生产的电容器、日本和美国产的半导体，以及洛得自己
工厂制造的环形功率变压器。
我们十分关注环境。随着越来越多的电子产品出现，制造商竭尽所能设计
对环境带来最低负面影响的产品就显得尤为重要。
在洛得，我们做到了这一点，我们对此深感自豪。通过使用特殊的无铅
ROHS焊料和部品，我们大大地降低了电子产品中的铅含量，同时，洛得
工程师一直努力在保证质量的前提下不断提高功率输出的效能。洛得产品
在待机模式下仅需运行最低功率，符合国际待机功耗标准。

17
RB-1590 立体声后置放大器
请仔细阅读本手册。除了基本安装和操作说明外，本手册还提供了关于
RB-1590系统设置的资料以及一般信息，帮助您优化系统的性能。如果您
遇到任何问题，请联络洛得授权经销商。另外，洛得全体同仁欢迎您提
出问题或建议。
请保存好包装箱和包装材料，以备日后使用。使用非原包装材料运输或移
动放大器可能会严重损坏放大器。
包装中若有用户注册卡，请填写并寄回给我们。另请保留原始销售收据。
它是购买日期的最佳记录，您日后需要保修时会用到它。
放置
RB-1590在正常工作过程中会产生热量。放大器上的散热器和通风口用于排
出热量。上盖的通风口应该打开。为防止放大器过热，机身周围应有10厘
米（4英寸）的间隙，且安装位置应有适度的气流通过。
选择安装地点时应考虑放大器的重量。请确保机架或机柜能够承载本设备
的重量。本公司建议将放大器安装在为安装音响器材设计的家具内。这些
家具可以降低或减少可能对声音质量产生负面影响的振动。设备家具和音
频设备的正确安装方法，请咨询授权洛得经销商。
交流电源和控制
交流电源输入 6
您的放大器在出厂时已设置为您购买本产品所在国家的交流电压（美
国：120V/60Hz，欧洲：230V/50Hz，中国：220V/50Hz）。交流电
压配置标注在背面板的标签上。
注意：如果将放大器带到另一个国家，可能需要重新设置以使用不同
的电压。不要试图自行进行转换。打开放大器的外壳会有触电危险。
请咨询合资格的维修人员或洛得工厂服务部门寻求帮助。
注意：有些产品将出售于多个国家，因此提供了多条AC电源线，请选
择一条适用于您的国家/地区的电源线。
由于RB-1590的高电源功率，它会产生大量电流。因此，应该将本设备直
接插到墙上的三极插座。不要使用延长线。如果大功率多插孔插线板（
和墙插座）可以承受RB-1590和所有插到上面的其它器材，则可以使用多
插孔插线板。
请确保放大器前面板上的电源开关 1已关闭（位于弹出的位置）。然后，
将电源线连接到放大器背面的电源连接器6及交流电源插座上。
如果您将要离家较长时间，例如一个月，离开前请务必拔下放大器（和其
它音频视频设备）的电源插头。
电源开关和电源指示灯1
电源开关位于放大器的前面板上。要打开放大器的电源，将本开关按入。
电源打开时，电源按键周围的指示灯会变亮。要关闭放大器，再次按下按
键将其复位。
注意：如果蓝色光线太亮，请在电源按键周围贴上调光圈。
触发模式选择开关7
RB-1590提供了手动或自动开/关机操作的选择。该模式可以通过后面板
上的开关进行选择。
本开关置于+12V TRIGGER（12V触发信号）ON（开）的位置时，如果向
后面板有TRIGGER IN（触发信号输入）标记的3.5毫米插孔施加12V触发
信号，则放大器会自动启动。失去该12V触发信号，放大器则会进入无信
号的待机状态。要让12V触发开关工作，前面板上的POWER SWITCH（
电源开关）应位于ON（开）的位置。将开关置于OFF（关）的位置将切
断放大器电源，无论触发信号是否存在。
12 V触发输入和输出7
标记为 IN的插孔用于连接带有+12V触发开关信号的3.5毫米插头/电缆。
要使用本功能，触发开关应设置到ON（开）的位置。本输入接口接受3V
至30V的任何控制信号（交流或直流）。
标记为OUT的插孔用于连接为其它设备提供12V触发信号的3.5毫米插头/
电缆。向IN连接口施加+12V触发信号时，该接口提供12V输出信号。
保护电路 1
在过度或错误操作的情况下，热保护电路和过流保护功能会保护放大器免
受可能的损坏。不同于许多设计，RB-1590的保护电路独立于音频信号，对
音质表现没有影响。相反，保护电路监控输出装置的温度，如果温度超出
安全限度，将关闭放大器。
一般情况下，保护电路不会工作。如果出现故障情况，放大器将停止运
作，前面板上的电源指示灯将会闪烁。
发生这种情况时，关闭放大器电源，让其冷却几分钟，并尝试确定及解决
该问题。重新打开放大器时，保护电路自动重置，电源指示灯将会点亮，
表明放大器正常启动。
大多数情况下，保护电路由于错误情况例如音箱电线短路或通风不畅引起
温度过高而激活。在极罕见的情况下，高度灵敏的或太低的音箱阻抗负载
可能造成保护电路介入。
如果保护电路重复触发，而您无法确定和解决故障，请联络授权洛得经销
商寻求帮助，解决问题。
输入信号连接 234
见图2和3
注意：要避免高噪声对您和音箱的影响，进行任何信号连接之前，应关
闭所有系统组件。
RB-1590设有几乎所有音频设备上都有的非平衡(RCA)型连接，以及平衡
(XLR)型输入连接。
请选用高质量的音频互连电缆。将前置放大器或信号处理器的每个输出连
接到RB-1590相应的输入连接。
输入选择开关 4
RB-1590后板的切换开关可选择使用输入信号的类型。用这个滑片开关选
择正确的输入。
注意：请只选用一种模拟方式连接RB-1590。不要同时使用RCA和XLR连
接。

18 RB-1590 立体声后置放大器
音箱连接
音箱选择
我们建议使用标称阻抗为4Ω或以上的音箱。驱动多对并行配置的音箱时，
你应该注意某些事项，因为放大器的有效阻抗被减半。例如，驱动两对8Ω
的音箱时，放大器的负载为4Ω。驱动多对并联联接的音箱时，建议选用
额定阻抗为8Ω以上的音箱。音箱额定阻抗要比实际阻抗低。实际上，极
少有音箱在与RB-1590一同使用时会出现问题。如果有任何疑问，请咨询
授权洛得经销商。
音箱线选择
使用绝缘的双导线连接放大器和音箱。电线的大小和质量可能会对系统的
性能产生明显的影响。标准的音箱线也能用，但是可能会导致输出降低或
减少低音响应，尤其是在距离较远的情况下。通常，重量更重的线会提升
音质。为得到最佳效果，您可能需要考虑特别的高质量音箱电缆。洛得授
权经销商可以帮助您为您的系统选择合适的电缆。
极性和相位
每个音箱的极性，即连接的正/负（+/-）方向和放大器连接应保持一致，
以确保所有音箱在相同相位上。如果一个连接接反，低音输出会非常微弱，
立体声效果会降低。所有音箱线上均有标记，您可以区别两根导线。在一
股导线的绝缘套上可能有小标签。电线绝缘套内的导线可能有不同颜色（
铜或银）。绝缘上可能印有极性标记。找到正负导线，并确保每个音箱和
放大器的连接一致。
音箱连接 5
注意：以下内容说明了接线柱和插入式连接的方法。不要混合使用两
种接线方式连接多个音箱。
连接音箱前请关闭系统中所有设备的电源。放大器的后板上有4对以颜色
区分的音箱接线柱，每个声道2对。这些接线柱可以连接裸线、接线插片
或双“香蕉”型接头（欧盟国家不允许使用）。
将电缆从放大器连接到音箱。要留有足够的余地，以便可以移动设备以连
接到扬声器接线柱上。
如果您使用香蕉型插头，先接到线上然后插到音箱接线柱后面。应拧紧音
箱接线柱上的套环（顺时针）。
如果使用接线插片，将其连接到电线上。如果您直接将裸线连接到音箱接
线柱上，请分开电线的导线，并自每根导线的端头将绝缘剥去。请小心不
要将导线切断。将音箱接线柱的套环拧开（逆时针方向）。将接线片或导
线绕在接线柱轴上，顺时针拧紧套环，固定接线插片或线头。
注意：请确保没有松开的线束与邻近的电线或导线接触。
故障排除
音频系统的多数故障是由于错误连接或控制设置不正确引致。如果您遇到
问题，请屏蔽有问题的区域，检查控制器设置，确定故障原因并进行必要
的修正。如果放大器仍然没有声音，请参考以下状况的建议：
电源指示灯不亮
没有连接电源，请检查放大器前面板的电源开关，确保开关处于开（ON）
的位置。检查放大器和AC 插座的AC电源连接。
更换保险丝
如果其它电气设备插到该插座时可正常工作，但放大器插到同一插座且电
源开关打开时电源指示灯不亮，表明内置保险丝可能已烧断。如果您确信
发生这种情况，请联络授权洛得经销商更换保险丝。
没有声音
如果放大器已连接电源，但仍然没有声音，请检查前面板上的保护指示
灯。如果灯在闪烁，请参阅下文。如果灯亮但没有在闪烁，请检查关联设
备的所有连接和控制器设置。
保护指示灯
放大器的保护电路关闭放大器后，前面板的电源指示在闪烁。通常，在通
风口堵塞、音箱连接错误或长时间过度使用的情况下才会出现这种情况。
关闭系统，等待放大器冷却。然后按下并按出前面板上的电源开关重置保
护装置。如果问题仍未得到解决或再次出现，则系统或放大器有故障。

19
RB-1590 立体声后置放大器
技术参数
连续功率输出 350 W/声道
(20 - 20k Hz, < 0.03%, 8Ω)
总谐波失真 (20 Hz - 20k Hz, 8Ω)< 0.03%
互调失真 (60 Hz : 7k Hz, 4:1) < 0.03%
频率响应 (± 0.5 dB) 10 Hz - 100k Hz
阻尼因数 (1kHz, 8Ω) 300
音箱阻抗 最低4Ω
额定8Ω
信噪比 (A-权重) 120 dB
串音/ 间距 > 50 dB
输入阻抗/灵敏度
非平衡 12kΩ/2.2 V
平衡 100kΩ/3.5 V
增益
非平衡 27.5 dB，(± 0.5 dB)
平衡 23.5 dB，(± 0.5 dB)
电源要求
美国 120V, 60 Hz
欧洲 230V, 50 Hz
中国 220V, 50Hz
功率消耗 800 W
待机消耗 < 0.5 W
BTU (4Ω,1/8功率) 2100 BTU/h
尺寸
(宽×高×深) 431 x 237 x 454 mm
17 x 9 3/8x 17 7/8ins.
前面板高度 5U / 221 mm / 8 3/4ins.
重量（净重） 38.1 kg / 84 lbs.
本手册印刷时所有参数均属精确。
洛得保留修改的权利，恕不另行通知。
Rotel 和the Rotel Hi-Fi标记均属日本东京洛得有限公司的注册商标。

082 OMRB1590-21-A 052915 Chinese
中国洛得
珠海保税区洛得电子有限公司
地址：中国广东省珠海市珠海保税区第27号区域
电话：[phone]
传真：[phone]
The Rotel Co. Ltd.
日本洛得
Tachikawa Bldg. 1F.,
2-11-4, Nakane, Meguro-ku,
Tokyo, 152-0031
Japan
Rotel of America
美国洛得
54 Concord Street
North Reading, MA 01864-2699
USA
电话: [phone]
传真: [phone]
Rotel Europe
欧洲洛得
Dale Road
Worthing, West Sussex BN11 2BH
England
电话: + 44 (0)1903 221 710
传真: [phone]
Rotel Deutschland
德国洛得
Vertrieb: B&W Group Germany GmbH
Kleine Heide 12
D-33790 Halle/Westf., Deutschland
电话: 05201 / 87170
传真: 05201 / 73370
电邮: [email protected]
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