Rotel RMB-1585 Bedienungshandbuch PDF herunterladen (Seite 9)

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Be aware that the RMB-1555 and RMB-1585 are capable of high power

levels, in excess of 120 watts and 200 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.

These ampliﬁers are straightforward in their 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

Please read this manual carefully. In addition to installation and

operating instructions, it provides valuable information on various 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 shipping carton and all enclosed packing material for future

use. Shipping or moving the ampliﬁer in anything other than the original

packing material may result in severe damage that is not covered by

the warranty.

Fill out and send in the owner’s registration card packed with the ampliﬁer.

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 RMB-1555 and RMB-1585 generate 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

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 use only

the cord 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

RMB-1555 and RMB-1585 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

on the front panel of the ampliﬁer is

turned off (in the “out” position). Then, connect the supplied power cord to

the Power Connector

on the rear 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 your

ampliﬁer (as well as other audio and video components) while you are

away.

Power Switch and Power Indicator

The power switch is located on the front panel of your ampliﬁer. 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.

TriggerON/OFFModeSelector

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 Jack 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.

12VoltTriggerInputandOutput

The jack 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 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.

The jack 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

The RMB-1555 and RMB-1585 feature 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.

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