Rotel RB 870 OM

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owners
manual

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llllillSH

STEREO POWER AMPLIFIER R8-87O

INTRODUCTION

We at Rotel want to thank you for purchasing
our audio product.

Hotel audio products are designed to use the
Iateet electronic technology, and they incorpo-
rate our long experience as a specialist manulao-
turer ol audio aquipmenn We are conlidant
that you will find satisfaction In the high
quality sound and top performance, and that
you will Iind pleasure in the lunctional beauty
achieved through human-engineering concept.
Belore starting operation, please read this
innruction manual thoroughly and acquaint
youmll with the proper mode cl using the unit
and all its connection

We hope you will enjoy topnotch periormance
for many years to come.

BEFORE ENJOYMENT/
POWER SUPPLY

Follow the instructions below lor maximum
salety:

I. Use a wall outlet Ior power supply

Be sure to connect the AC line cord to a house
hold wall outlet. Be certain that the outlet
voltage matches the electrical rating oi the unit,
Iound on the rear panel name plate,

2. Connecting and removing ac cord

He sure to connect or disconnect the AC line
card only alter turning a" the power switch to
prevent possible shock noise or damage to
the speakers.

3. Ventilete the unit wall

Never block any ventilation holes at the top
and bottom ol the unitl Be sure also to provide
ample ventilation space around the unit. Poor
ventilation may result in damage due to excev
rive heat.

4. Do not open the chin-t

In order to avoid electric shock or damage to
the component, never open the cabinet. II a
loreson object tall: in do the unit by mistake
turn the power all sconnect the wall plug,
and consult a qualified electrician or your
dealer.

5. lnmlletion

Be sure to place the unit in a level and tlet place
where it is lree Irom humidity, vibration, high
temperature and not exposed to direct sunlight,
Be careful not to place the unit in a highly
enclosed place such as near a mil or on a
bookshelf. A poor ventilation will cause unde-
sirable ellects to the unit.

6 Moving the unit

when transporting, remove the AC cord from
the wall outlet and all Other connected cords on
the rear panel to prevent wire breakage and
short circuits.

7. It the unit gets wet

II the unit should get wet, immediately discon-
nect the AC cord, and consult your dealer or a
qualified electrician.

8. Cleaning and maintenance

Do not use chemicals such as benzine or thin-

ners on the lront panel. Always use a soft, dry
cloth to clean the unit.

9. Owner's menuel

Keep the owner's manual nur the unit, and
record the serial humor Hound on the rear
panel) on the cover.

EXCLUSIVE NOTE FOR U.K.

If your unit comes with a 2-core cable
without a plug, make certain live and
l neutral leads are connected to the proper
terminals Check that the terminals are
screwed down firmly and no loose strands
l of wire are present.

LIMPORTANT: The wires in this main: lead

SPEAKERS

Use speaker systems with impedance ratings ol
8-16 ohms. Belore hooking up your speaker
system. be mre to check its impatient», which
should be indicated either on the back of
the speaker, or in the speaker instruction mam
ual.

HOOKINO UP SPEAKERS

Connect speaker system to the speaker terml
nals provided on the rear panel of the unit. The

SPEAKER/RIGHT

E When using the unit as a moneunl power
amplifier lBTL connectionl
Connect ' speaker lead to "+" terminal of
L", and lead to "4" terminal OI "R".
Strip LOcm (3/8") at the polyvinyl chloride
initiation lrom the end OI Beds speaker lead.
Twist the exposed strands tightly. and secure
the and with a touch 01 soldert

To connect speaker lead to the speaker terminal
at the amplilier, rotate the speaker terminal
knob counterclockwise to loosen, insert the

o @ W

O O

Ewe-rule

are coloured in accordance with the follow

ing code:
BLUE: NEUTRAL
BROWN: LIVE

As the colours ol the wires in the mains lead
of this apparatus may not correspond with
the coloured markings identifying the
terminals in your plug proceed as lollows.
The wire which is coloured BLUE must be
connected to the terminal which is marked
with the letter N or coloured BLUE or
BLACK. The wire which is coloured
BROWN must be connected to the terminal
which is marked with the letter L or colour-
ed BROWN or REDt

mode 0! connection diflars depending on
wheter you use it as a stereo power amplifier or
as a monaural power empli er in bridged
connection (BTL connection).

A. When using the unit as a stereo power

amplifier:

Connect the speaker leads ol the righr~hand
speaker to "0 and "-" 0' terminals OI Fl",
and the spuker leads ol the left-hand speaker
to "r" and "- cl 'L Make sure each "+
speaker lead is connected to "e" terminal, and
"-" lead to the "-" terminal.

SPEAKER/LEFT

SPEAKER

stripped end at the lead, and lirmly tighten the
knob onto the lead, Do not allow the stripped
and of the lead to touch another lead, other
terminal or other metal pan,