Russound R1250MC User manual

l~Russound®

R-Series

R1250MC

6-Zone,

12-Channel

Power

Amplifier

User's

Manual

IMPORTANT

SAFEGUARDS

lA_AI

'WARNING"

REDUCE

THE

RISK

FIRE

ELECTRIC

SHOCK,

NOT

EXPOSE

THIS

APPLIANCE

RAIN

MOISTURE."

"CAunON"

REDUCE

THE

RISK

ELECTRIC

SHOCK,

NOT

REMOVE

COVER.

USER

SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

QUAL~

FlED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

symbol,

within

equilateral

triangle,

intended

alert

the

user

the

presence

uninsLJ-

lated

"dangerous

voltage"

within

the

products

enclosure

that

may

sufficient

magnitude

constitute

risk

electric

shock

persons.

The

exclamation

point

within

equilateral

triangle

intended

alert

the

user

the

presence

important

operating

and

maintenance

(servicing)

instructions

the

literature

accompa-

nying

the

appliance.

SAFETY

INSTRUCTIONS

Read

Instructions

All

the

safety

and

operating

instructions

should

read

before

the

appliance

operated.

Retain

Instructions

The

safety

and

operating

instructions

should

retained

for

future

reference.

Heed

Warnings

All

warnings

the

appliance

the

operating

instructions

should

adhered

to.

Instructions

All

operating

and

user

instructions

should

followed.

Water

and

Moisture

not

use

this

appliance

near

water,

for

example,

near

bathtub,

washbowl,

kitchen

sink,

laundry

tub,

wet

basement,

near

swimming

pool.

not

expose

the

appliance

dripping

splashing,

and

not

place

the

appliance

objects

filled

with

liquids

such

vases.

not

touch

the

amplifier

with

wet

hands.

not

handle

the

amplifier

power

cord

when

your

hands

are

wet

damp.

water

any

other

liquid

enters

the

amplifier

cabinet,

take

the

amplifier

qualified

service

personnel

for

inspec-

tion.

Cleaning

The

appliance

should

cleaned

only

recommended

the

manufacturer.

From

time

you

should

wipe

off

the

front

and

side

pan-

els

and

the

cabinet

with

soft

cloth.

not

use

rough

material,

thinners,

alcohol

other

chemical

solvents

cloths

since

this

may

damage

the

finish

remove

the

panel

lettering.

Ventilation

The

appliance

should

situated

that

its

location

position

does

not

interfere

with

its

proper

ventilation.

For

example,

the

appliance

should

not

situated

bed,

sofa,

rug,

similar

surface

that

may

block

the

ventilation

openings

or,

placed

built

installation,

such

book-

case

cabinet

that

may

impede

the

flow

air

through

the

ventilation

open-

ings.

Place

the

unit

wel~entilated

location,

leaving

least

inches

cm)

clearance

all

sides,

top

and

rear

unit

for

air

flow.

ventilation

blocked,

the

unit

may

overheat

and

ma~nction

Heat

The

appliance

should

situated

away

from

heat

sources

such

rad~

ators,

heat

registers,

stoves,

other

appliances

(

including

amplifiers)

that

produce

heat.

Grounding

Polarization

Precautions

should

taken

that

the

grounding

polarization

means

appliance

not

defeated.

IO.Power

Cord

Protection

Power

supply

cords

should

routed

that

they

are

not

likely

walked

pinched

items

placed

upon

against

them,

paying

particular

attention

cords

plugs,

receptacles,

and

the

point

where

they

exit

from

the

appliance.

Il.Power

Sources

The

appliance

should

connected

power

supply

only

the

type

described

the

operating

instructions

marked

the

appl~

ance.

12.Main

Power

Disconnect

The

power

switch

singlepole

switch.

When

the

switch

the

"Off'

position,

the

appliance

not

completely

disconnected

from

the

main

power.

The

main

power

plug

used

the

disconnect

device

and

shall

remain

readily

operable.

When

installing

the

product,

ensure

that

the

plug

easily

accessible.

13.Non-use

Periods

The

power

cord

the

appliance

should

unplugged

from

the

outlet

when

left

unused

for

long

period

time.

14.Attachments

Only

use

attachments/accessories

specified

the

manufac-

turer.

15.Carts

and

Stands

The

appliance

should

used

only

with

cart

stand

that

recommended

the

manufacturer.

appliance

and

cart

combination

should

moved

with

care.

Quick

stops,

excessive

force

and

uneven

surfaces

may

cause

the

appliance

and

cart

combination

overturn.

16Wall

ceiling

Mounting

The

appliance

should

mounted

wall

cei~

ing

only

recommended

the

manufacturer.

Location

the

Amplifier

not

mount

this

unit

under

kitchen

cabinet.

not

expose

the

amplifier

direct

sun

light

heating

units

the

amplifier

intemal

components'

temperature

may

rise

and

shorten

the

life

the

compo-

nents.

Avoid

damp

and

dusty

places.

18.0bject

and

Liquid

Entry

Care

should

taken

that

objects

not

fall

and

liquids

are

not

spilled

into

the

enclosure

through

the

openings.

19.5ervicing

The

user

should

not

attempt

service

the

appliance

beyond

that

described

the

operating

instructions.

All

other

servicing

should

referred

qualified

service

personnel.

20Damage

Requiring

Service

The

appliance

should

serviced

qualified

service

personnel

when:

The

power

supply

cord

the

plug

has

been

damaged;

Objects

have

fallen,

liquid

has

been

spilled

into

the

appliance;

The

appliance

has

been

exposed

rain;

The

appliance

does

not

appear

operate

normally;

The

appliance

has

been

dropped

the

enclosure

damaged.

INTRODUCTION

The

Russound

R1250MC

12-channel

power

amplifier

and

ideal

for

use

the

main

amplifier

home

theater

and

distributed

audio

systems.

The

channels

are

arranged

pairs

provide

amplification

for

six

stereo

zones.

The

R1250MC

provides

array

useful

fea-

tures

such

bridge

mode

operation,

independent

zone

triggering,

bus

inputs

and

multiple

speaker

outputs

per

zone

meet

wide

variety

applications

and

configu-

rations.

FRONT

PANEL

R1250MC

AMPLIFIER

The

R1250MC

rated

watts

per

channel

into

ohms

and

watts

per

channel

into

ohms.

With

the

Stereo!Bridge

Mono

switch

the

Bridge

mode

position,

both

channels

the

zone

are

combined

fora

higher

pow-

ered

mono

output.

bridged

mode,

the

R1250MC

pro-

vides

140

watts

power

into

single

8-ohm

load.

All

this

power

backed

three

high

output

toroidal

trans-

formers.

Each

amplifier

output

channel

incorporates

robust

protection

circuitry

for

safety

and

reliability

under

extreme

circumstances.

----

--------

@ @ @ @ @ @[I]

R 1

250MC

POWER

AMPlIFIE.

III I

Zone

Indicator

LEOs:

The

six

LEOs

correspond

the

six

stereo

zone

amplifiers.

The

LED

will

illuminate

red

when

the

amplifier

power

and

the

zone

standby.

The

LED

will

illuminate

green

when

the

zone

active.

RACK

MOUNTING

The

R1250MC

amplifier

can

rack

mounted

using

the

included

rack-mount

ears

and

hardware

attach

the

ears

the

amplifier.

The

amplifier

will

take

rack

spaces

with

the

feet

removed.

Rack

Ear

Side

View

R1250MC

Side

View o

Rack

Ear

Front View

ooo

Rack

Ear

Screw

Holes

R1250MC

AMPLIFIER

N~rmrk.ct

USA

l'owerAmplifierRllSOMC

OesI.,-inUU

Uneln

L@II

Uneln

L@R

II@)~

..w+--II

Bus

Input/Output:

The

bus

line

input

optional

Fuse

Receptacle:

Holds

replaceable

fuse

for

input

that

can

used

connect

single

source

power

input

connection.

Fuse

rating

for

North

multiple

zones.

The

bus

line

output

passive

America

and

Europe

OAL

250V.

passthrough

the

bus

input

and

can

used

Input:

The

voltage

input

for

the

North

daisy

chain

the

source

other

amplifiers

the

system.

American

model

120VAC

60Hz

(for

the

European

model,

230VAC

50Hz).

This

receptacle

Line Input:

The

line

audio

input

for

each

zone

accepts

3-prong

IEC

320

type

connector.

dedicated

sensing

input

that

will

activate

the

zone

detachable

3-terminal

power

cord

included.

when

audio

signal

from

source

present.

12VDC Trigger In/Out:

The

12V

Trigger

Line/Bus Switch:

Sets

the

zone

input

the

Line

used

activate

the

zone.

The

Trigger

Out

provides

audio

input

the

Bus

input.

100mA

12V

max.

This

can

used

drive

other

Speaker Outputs:

The

and

speaker

outputs

12V

triggered

devices.

The

delay

and

audio

sensing

are

bypassed

when

the

12V

trigger

input

used.

are

parallel

the

amplifier

output.

The

minimum

speaker

impedance

for

stereo

mode

operation

4Delay Time:

Muting

delay

can

adjusted

from

ohms

for

one

pair

and

ohms

for

two

pairs

about

0.5

minute

4.5

minutes.

When

audio

speakers.

The

minimum

impedance

for

bridged

signal

not

present,

the

amplifier

will

automatically

mode

operation

ohms

for

Speaker

only.

into

standby

mode

after

the

preset

period

III

Gain

Controls:

Left

and

Right

gain

controls

inde-

time.

When

set

maximum,

the

amplifier

will

stay

active

and

not

into

standby.

pendently

adjust

the

sound

level

for

each

channel.

When

used

the

bridged

mode

only

the

Left

con-

Stereo/Bridge Mono Switch:

Sets

each

zone

trol

used.

amplifier

for

stereo

bridged

mono

operation.

Power Switch:

Turns

the

amplifier

on/off.

This

switch

does

not

disconnect

the

main

power

feed

from

the

amplifier;

this

requires

that

the

power

cord

unplugged

from

the

outlet.

BRIDGED

OPERATION

When

the

amplifier

Bridged

mode

operation,

both

the

left

and

right

channels

are

combined

for

higher

power

mono

output.

For

bridged

amplifier

operation,

turn

off

the

power

the

amplifier

and

connect

8-ohm

minimum

load

the

Speaker

output.

R1250MC

AMPLIFIER

Following

the

Bridge

mode

markings

red

the

back

the

amplifier:

Connect

the

negative

lead

(-)

the

speaker

cable

the

R+

terminal.

Connect

the

positive

lead

(+)

the

speaker

cable

the

L+

terminal.

Set

the

Stereo/Bridge

Mono

switch

Bridge

Mono,

connect

the

Line

feed

from

source

the

Left

Line

connection

and

restore

power

the

amplifier.

RCA

Cable

from

source

Uneln

Llne'n

-[Jr

Bus

-[lrBus

e@eA

lldl

lldl[B lldl[B

lldl[B

(-)Negative

:00

(-)Negative

Speaker

Stereo

Speaker

lldl

BrldgeMono

lldl

Speaker

cable

S{~~omodc

lldl

Stereo

mode

lldl

cable

iOminimum

e e 40monimum

[Baa

e•e

•

,mpe<l~nce

(+)Positive Bridge mode

Bridccmo,,",

(+)Positive

SQmin,mum

DelayTime

BOm,n""urn

DelayT

......

impcd.n<c ,mpcdan<c

Left Speaker

~@~

Right Speaker

80hm

Zone

Out

Trigger

Zone

lout

Trigger"

80hm

12V

100mA

11V 100mA

THERMAL

PROTECTION

All

Russound

amplifiers

are

designed

with

special

circuit-

safeguard

the

amplifier

under

thermal

overload

condition.

Thermal

protection

mode

can

only

engage

when

the

unit

has

been

run

high

volume

for

extended

periods

time

without

adequate

ventilation

and/or

when

speaker

impedances

are

below

the

minimum

levels

for

the

amplifier.

this

fault

occurs,

turn

off

the

amplifier,

and

check

that

the

speaker

impedance

rating

above

the

minimum

rating.

Also

check

for

adequate

ventilation

around

the

amplifier

and

make

adjustments

necessary.

Once

the

unit

has

cooled

safe

operating

tempera-

tures,

the

amplifier

may

powered

back

on.

PROTECTION

CIRCUITRY

All

Russound

amplifiers

are

designed

with

special

circuit-

safeguard

the

amplifier

under

short-circuit

condi-

tion.

faulty

speaker

can

also

cause

short

circuit

con-

dition.

The

front

panel

LED

illuminates

orange

when

the

amplifi-

short

circuit

protection.

this

fault

condition

occurs,

turn

off

the

amplifier

and

check

speakers

for

short

circuit

conditions

when

appropriate.

R1250MC

AMPLIFIER

POSSIBLE

SYSTEM

CONFIGURATION

The

1250MC

can

configured

the

main

amplifier

for

audio

distribution

system

home

theater

system.

When

used

with

audio

distribution

preamp,

each

zone

can

independently

drive

one

several

different

sources

using

each

zone's

individual

line

audio

inputs,

pair

zones

can

bridged

create

higher

powered

zone.

When

the

R1250MC

used

home

theater

amplifier,

three

zones

can

bridged

provide

high

power

for

the

front

and

center

channels

and

the

remaining

zones

can

used

for

the

surround

effects.

CAV6.6

Controller

Bus

Input

1.,1

Bridged

Independent

Stereo

R1250MC

Amplifier

___

--f-~.------------_+_-----+_------------

_____

SPECIFICATIONS

Single

Zone

Maximum

Output

Power:

(0.1

THD+N;

f=1

kHz)

All

Zones

Continuous

Output

Power:

THD+N:

Signal-to-Noise

Ratio:

Frequency

Response:

Input

Sensitivity:

Input

Impedance:

Voltage

Gain:

Delay

Time:

Input

Trigger:

Output

Trigger:

Power

Requirements:

Power

Requirements:

Dimensions:

Weight:

R1250MC

AMPLIFIER

50W

per

channel,

channels

ohms

80W

per

channel,

channels

ohms

140W

ohms,

channels

bridged

35W

per

channel,

channels

ohms

50W

per

channel,

channels

ohms

100W

ohms,

each

zone

bridged

<0.05%

from

20Hz

20kHz

>100dB

20Hz

20KHz

+/-

0.3dB

70mV

for

ohms

500mV

for

50W

ohms

47kohms

Line

Input

32dB

0.5

4.5

minutes

12VDC

kohms

12VDC

100mA

North

American

Model:

120VAC

60Hz

IEC

320

type

connector

with

terminal

detachable

power

cord.

Fuse

Rating:

TlOAL

250V

European

Model:

230VAC

50Hz

IEC

320

type

connector

with

terminal

detachable

power

cord.

Fuse

Rating:

OAL

250V

17"

16.5"D

5.875"H

(43

cm)

48.9Ibs.

(22.2kg)

WARRANTY

The

Russound

R1250MC

fully

guaranteed

for

two

(2)

years

from

the

date

purchase

against

all

defects

materials

and

work-

manship.

During

this

period

Russound

will

replace

any

defective

parts

and

correct

any

defect

workmanship

without

charge

for

either

parts

labor.

For

this

warranty

apply,

the

unit

must

installed

and

used

according

its

written

instructions.

service

necessary,

must

performed

Russound.

The

unit

must

returned

Russound

the

owners

expense

and

with

prior

written

permission.

Accidental

damage

and

shipping

damage

are

not

considered

defects

under

the

terms

the

warranty.

Russound

assumes

responsibility

for defects

resulting

from

abuse

servicing

performed

agency

person

not

specifically

author-

ized

writing

Russound.

Damage

destruction

components

due

improper

use

voids

the

warranty.

these

cases

the

repair

will

made

the

owners

expense.

return

for

repairs,

the

unit

must

shipped

Russound

the

owners

expense,

along

with

note

explaining

the

nature

the

service

required.

sure

pack

corrugated

container

with

least

inches

resilient

material

protect

the

unit

from

damage

transit.

Russound

sells

products

only

through

authorized

Dealers

and

Distributors

ensure

that

customers

obtain

proper

support

and

serv-

ice.

Any

Russound

product

purchased

from

unauthorized

dealer

source,

including

retailers,

mail

order

sellers

and

online

sellers

will

not

honored

serviced

under

existing

Russound

warranty

policy.

Any

sale

products

unauthorized

source

other

manner

not

authorized

Russound

shall

void

the

warranty

the

applicable

product.

R-Series

R1250MC

Power

Amplifier

User's

Manual

Forbes

Rd.

Newmarket,

03857,

USA

Tel

603.659.5170 •

Fax

603.659.5388

e-mail:

[email protected]

28-1168

06/24/05

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