Niles SI-1230, SI-1230 II Installation Manual

fJNILES.

CONGRATULATIONS!

one

Thank you for purchasing the award winning Niles most versatile and powerful multi-channel amplifiers ever offered. Like

the highest standards of quality and reliability.

products, the With proper installation and operation,

TABLE

Sl-1230

CONTENTS

OF

is built

to

you'll

enjoy years

Sl-1230

Series

trouble-free use.

of

2,

all

the

of

Niles

INTRODUCTION

FEATURES AND

SYSTEM

APPLICATIONS

CONFIGURING YOUR

INSTALLATION CONSIDERATIONS

FRONT

DESIGN BASICS

DESIGN CONSIDERATIONS

AND REAR PANEL DETAILS

BENEFITS

SYSTEM

4

5

7

9

11

15

16

18

INSTALLATION

OPERATION

TROUBLESHOOTING GUIDE

SPECIFICATIONS

CONFIGURATION WORKSHEET

WWW.NILESAUDIO.COM

--------------------

20

25

27

29

30

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

IMPORTANT

1.

Read these instructions.

2.

Keep these instructions.

3.

Heed all warnings.

4.

Follow all instructions.

5.

Do not use this apparatus near water.

6.

Clean only with a

7.

Do not

block

any ventilation openings. Install

accordance with the manufacturer's instructions.

8.

Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.

9.

Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has blades with one wider than the other. A grounding-

two

type plug has prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult the obsolete outlet.

10.

Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles and the point where they exit from the apparatus.

11.

Only use attachments/accessories specified by

the manufacturer.

12.

Use only with the cart, stand, tripod, bracket or table specified by the manufacturer or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or

when unused for long periods

14.

Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged

plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed normally, or has been dropped.

15. splashing and ensure that no objects filled with liquids, such as vases, are placed on the apparatus.

16.

the

plug from the

17.

to as the "Mains Plug") is used as the disconnect

device and shall remain accessible and operable at all times.

18. as sunshine, fire or the like.

in

Do

not expose this apparatus to dripping or

To

completely disconnect this apparatus from

AC

Mains, disconnect the power supply cord

The power supply cord (sometimes referred

Do

not expose batteries to excessive heat such

blades and a third grounding

any way, such as power supply cord or

to

rain or moisture, does not operate

AC

receptacle.

SAFETY

dry

cloth.

an

electrician for replacement of

of

time.

INSTRUCTIONS

in

two

19. Open flame sources, such as lighted candles, should NOT be placed on the apparatus.

To

WARNING: shock, do not expose this apparatus to rain or moisture.

A.

that may be of sufficient magnitude to constitute a risk

of

electric shock to persons.

A

instructions product.

FCC Required Text:

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part These limits are designed to provide reasonable protection against harmful residential installation. This equipment generates, uses, and can radiate, radio frequency ener.gy and, if not installed and used the instructions, may cause harmful interference to

radio communications. However, there is no guarantee that interference will not occur particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-Reorient

-Increase

and receiver.

-Connect circuit different from that to which the receiver is connected.

-Consult technician for help.

Changes or modifications not expressly approved

by the party responsible for compliance could void

the user's authority to operate the equipment.

reduce the risk of fire or electric

The lightning flash with arrowhead symbol, within

intended to alert the user to the presence of uninsulated "dangerous

voltage" within the product's enclosure

The exclamation point within equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing)

in

the literature accompanying the

or relocate the receiving antenna. the separation between the equipment

the equipment into

the dealer or

an

equilateral triangle, is

15

of the

FCC

Rules.

interference

in

accordance with

an

experienced radio/TV

in

outlet on a

an

a

in

a

NILES

AUDIO

CORPORATION

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60-710-0992

3

INTRODUCTION

Sl-1230 a

the

call

We amplifier specifically different brands and models different rooms, and different kinds

background music. As you read this

the

capabilities

selected Best New Product 1994

was

CEDIA

and

Sl-1200 also

the

and Engineering Award.

of

(Custom

BRICGABLE

Systems Integration Amplifier

solve the

designed

Sl-1230 you'll

Electronic Design and Installation

won the Consumer

POWER

to

equipment, different acoustic environments in

of

understand

AMPLIFIERS

because it is a power

interfacing with

problems

applications:

of

manual

by

Electronics Show's Innovations

and become more

why

Sound

of

home theater, stereo, and

familiar

its predecessor, the Sl-1200,

& Video Contractor Magazine

Association).

with the

addition,

In

'95 Design

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POWER

AMPLIFIERS

FEATURES

REAL

The RMS into 8 ohms and power transformer design provides solid, deep, controlled

TWELVE

Each of the can create up between each pair power to specific locations, such

WORLD

Sl-1230

FREEDOM

The Sl-1230's BusMatrix™ incorporates advanced PCB construction ensuring extremely high channel are equivalent the

Sl-1230,

in

the den.

AND

POWER

is

a 12-channel amplifier

TO

SIX

Sl-1230's

to

six 80

to

FROM

to

a professional mixing board found

the music playing

BENEFITS

40

watts per channel RMS into 4 ohms. A new digital

bass response to a house

CHANNEL

six adjacent speaker output pairs are bridgeable.

watt channels by sliding the bridging switches located

the

"bridged"

NOISE

to

channel isolation. Signal to noise ratios and cross-talk

that delivers a solid 30

the energy necessary to efficiently deliver

full

of

speakers.

CONFIGURABLE

position. This enables you to

as

large rooms or outdoor applications.

AND

in

the living room cannot interfere with the music

CROSS·

in

TALK

a recording studio. With

watts per channel

POWER

You

allocate

more

TRANSPARENT

The audio circuitry including 1 sinks. uncolored.

BUSMATRIX™

Our

unique BusMatrix™ selector gives you the flexibility to a common Left, Right, or Mono signal bus, or With BusMatrix™, routing surround sound to the den and mono to the powder room is as simple as flicking a switch. BusMatrix™ makes the offers exciting new features and system design possibilities to the professional installer.

%

metal

All

this attention to technical detail results

SOUND

of

the

Sl-1230

film resistors, high quality capacitors and oversized heat

SELECTOR

Sl-1230

is

constructed with the finest parts available,

in

a sound that is

to

assign each channel

to

a dedicated signal input.

to

the master bedroom, stereo

an

ideal multi-room or multi-zone amplifier and

clear

and

NILES

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5

FEATURES

AND

BENEFITS

CONTINUED

...

INDEPENDENT

Each the speaker can now be adjusted specifically for

listening!

TURN-ON

The panel switch,

External Voltage

with any kind

AUTOMATIC

Each channel has independent unlikely continue to play. When conditions return to

amplifier channel

volume settings for

MODES

Sl-1230 features three turn-on modes:

2.

of

event that a

LEVEL

has twelve

Audio

trigger modes

system and turn on

PROTECTION

Sense

problem occurs on one channel,

CONTROLS

independent level control enabling

an

different speaker

1.

External Voltage

3.

and

to

enable

thermal and short circuit protection.

you

automatically.

you to adjust

locations individually. Each

location

its

Manual turn-on via the front

configure the

normal,

and for who

trigger. Audio

Sl-1230

the other

regular operation resumes.

Sense

to

In

channels will

will be

and

interface

the

STATUS

LED's on the front

glance at the frontpanel

a information!

DESIGNED

Limited two-year parts and labor warranty.

DISPLAY

panel

AND

FOR

indicate Power, Active and Protection

ENGINEERED

TROUBLESHOOTING

a troubleshooter

IN

Status.

quickly provided with key

is

THE

USA

With

6

WWW.NILESAUDIO.COM

CHANNEL,

.

2

BRIDGABLE

POWER

AMPLIFIERS

SYSTEM

As shown

listening

of

CESIGN

Figure 1 , a distributed audio/video system

in

zones it has. Within a

BASICS

listening

zone you can listen

source (e.g. CD, Radio, iPod, etc.) at any one time. A

achieve different

single

a

of convenience

room or a group

different rooms within a

in

used. Niles makes

your system, take

local Niles dealer for more information.

Consult

it.

your

rooms.

of

volume controls

into account who will

To

~one,

various styles

in

individual volume controls

use the system and when they

Figure 1

Blu-ray

Player

CD

Player

Cable

Box

defined by the number

is

listening

volumes

colors.

and

one

only

to

zone can consist

and greater

can be

When designing

use

will

Family

-----------------------------

~----

AUDIO

NILES

CORPORATION-

Room

------------------------------

---------

1

Living

·---

Room

Listening

·

Zone

1-800-BUY-HIFI-1-760-710-0992

7

SYSTEM

A

Multilane

For instance, a and their children

DESIGN

system

family

living

room wired for background music.

can watch

BASICS

as

shown

in

might have their

TV

in

surround sound

Figure

paper and enjoying background music

Figure 2

CONTINUED

2,

offers the house

family

room wired for surround sound

In

while

in

the living room.

Mom and Dad are reading the

...

hold

more

flexibility.

a two zone system, the

Blu-ray

Player

CD

Player

Cable

Box

Family

I •· I I I

8

Listening

Room

Zone

1

·--------

·-------

Living

Listening

Room

Zone

2

·--------·

WWW.NILESAUDIO.COM

.

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

SYSTEM

SPEAKER

A single channel (not bridged) of the impedance speaker load. No more than one 4-6 ohm speaker can be safely connected ventilation Sl-1230 off the placement, see Installation

A channel pair that has been of 8 ohms. Proper ventilation of the Sl-1230 with bridged circuits may activate and shut off the channel at higher volume information on proper page

channel

15).

DESIGN

COMPATIBILITY

of

the

Sl-1230

is not properly ventilated, the protection circuits may activate and shut

at higher

channels. If

CONSIDERATIONS

Sl-1230

is critical when driving lower impedance

volume levels

Considerations on page

BRIDGED

the

Sl-1230

amplifier placement,

(for more information on proper

is capable

is

not

is capable of driving a 4 ohm

two

8 ohm speakers or no more than

to

a single

15).

of

driving

is

critical when driving a

properly ventilated,

see Installation

channel.

an

Considerations on

Proper

loads. If

impedance

8 ohm load

the protection

levels

(for more

the

amplifier

load

When designing your system, try to specify 6-8 ohm speakers (Niles offers a complete line all

models rated from 6-8 ohms).

CABLE

Because the Sl-1230

12),

it is important that you correctly

wires. Label the

the

Sl-1230

reconfigure your system

The Sl-1230 RCA connectors. Use high possible noise and best the proper

The Sl-1230 For most applications, we recommend you use 16 or 18 gauge wire. For wiring runs longer than high-quality, gold-plated wire. Attaching banana wire sizes.

of

inwall, in-ceiling,

AND

cable.

WIRE

has many connections on the rear

cables

terminal to which they are connected. This

connects to your sources via shielded

connects to your speakers using

and wires with their destination or source, rather than

in

the future.

quality cables with your

overall

80 feet, we recommend 14 gauge wire. The Sl-1230's

5-way binding posts

plugs

outdoor and home theater loudspeakers with

label all

performance. Your Niles dealer

to the wire

of the input cables and speaker

two

will

will enable the connection

panel

will

line level Niles amplifier

conductor speaker wire.

accommodate up to 12-gauge

(see

Figure

make it easier to

audio

cables

for the

can recommend

of

with

lowest

larger

NilES

AUDIO

CORPORATION

-l-800-BUY-HIFI-l-760-710-0992

---------

9

SYSTEM

DESIGN

CONSIDERATIONS

CONTINUED

...

USING

large

In

MONO

irregularly shaped rooms, you may find that the main listening area

or

FOR

SMOOTHER

may be closer to one of the speakers.

a stereo amplifier you

to

will only hear half the music. The Sl-1230's BusMatrix™

COVERAGE

the speakers

If

the room are connected

in

enables you to create mono sound from one speaker without impacting the

can configure each room to either

effects.

ill

You

Some

of the most popular areas

be:

the rest of the system.

stereo

quality stereo or mono where mono will

Large rooms with many seating areas and/or many pairs of speakers.

•

• Irregularly

Bathrooms with one speaker over the tub and one speaker over the sink(s).

•

• Hallways

• Small

rooms, such

in

needed with no

as

greatly enhance the sound quality would

shaped rooms.

or passageways (including those with multiple speakers).

walk-in closets where more than a single speaker is not

as

required.

BRIDGING

THAT

REBUIRE

CHANNELS

MORE

FOR

VOLUME

AREAS

AND

POWER

There are several situations where bridging is

excellent

an

way to improve the

sound. There are also applications where bridging would seem to be appropriate

80

but

not recommended. Bridging channels increases the power output

is

to

watts per channel at 8 ohms.

These are

Outdoors

1. where the

some

(DO)

walls

most

the

of

- Sound dissipates faster outside than it does

enclose the sound and

common

speakers playing into a large patio or yard four channels into

Surround

2.

Sound

two 80 watt channels.

Systems

(DO) - The dynamic demands for the center channel are much greater than the left, right or surround channels. This is excellent application for two channels to be bridged into one

3.

More

than

one

pair

of

8

ohm

speakers

DOs

reflect

will

(DON'T) -

a room

in

it back to the listener. A pair

greatly benefit from bridging

watt channel.

80

a

a large room

In

or

of

an

DON'Ts:

and

long hallway, often the best way to get good background music is to install multiple pairs of speakers.

will actually deliver

You

more power to two pairs

of 8 ohm speakers by using two unbridged amplifier channels than you would if you bridged four amplifier channels into

parallel.

speakers

in

and connected the two pairs

two

of

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APPLICATIONS

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

ADVANTAGES SINGLE

ZONE

OF

USING

SYSTEM

THE

Sl-1230

IN

A

When you connect the preamplifier outputs of your stereo receiver or stereo

preamplifier

speaker

Each

for

channel

architectural fine tune the system so that when loudest level,

to

the

Sl-1230 BusMatrix™

in

your multi-room system

of the

Sl-1230

has its own

differences that create sonic

the

large rooms and the

you dedicate a robust

as

shown

level control

all

of the room

small

in

Figure

so you can compensate

imbalances.

volume controls

rooms play

30

3.

In

addition, you can

at the same

watts to each

are

set

to

volume.

Figure 3

Blu-ray

Player

CD

Player

Cable

Box

the

Sl-1230

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NILES

AUDIO

SERIES

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l-800-BUY-HIFI-

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l-760-710-0992

II

NILES.

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·------------

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---------------------------

1 1

APPLICATIONS

USING

DUAL-ZONE

A

RECEIVER

FOR

TWO

LISTENING

ZONES

Most of today's Dolby Digital Audio Video Receivers include a second zone preamplifier output to create a second listening zone. Using this output with the Sl-1230 BusMatrix™ second listening zone

this example high power

addition,

In

in

bridging channel pair 9 and 10

for the right speaker.

12

and

input provides amplification for multiple rooms within a

as

shown

Figure

in

4.

supplied to the patio stereo speakers by

is

for the left speaker and bridging channel pair

11

Figure 4

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APPLICATIONS

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AMPLIFIERS

EXPANDING INCLUDE

In

the ultimate MultiZone system, you connect six stereo preamplifiers (or a

A

MORE

MULTIZONE

ROOMS

SYSTEM

TO

single component multi-zone/multi-source preamplifier) to the dedicated inputs of Sl-1230. These dedicated input signals are then routed to the appropriate amplifier channels via dip switch settings creating six completely independent listening zones.

in

MultiZone systems enable listeners located simultaneously listen

to

different source components

the six separate zones to

as

shown

in

Figure

5.

Figure 5

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APPLICATIONS

ADDING

In

the

ultimate MultiZone

component

1230.

These dedicated input signals are then routed to the appropriate

channels

PREAMPS

multi-zone/multi-source preamplifier)

via dip switch settings creating six

zones.

MultiZone

systems

enable listeners located

simultaneously listen

Blu-ray

Player

Q-

= , .

TO

CREATE

MORE

system, you connect six stereo

completely

in

the six separate zones to

to different source components

Figure 6

CD

Player

.J)

LISTENING

preamplifiers

ZONES

(or a single

to the dedicated inputs

amplifier

independent

as

shown

in

listening

Figure

Cable

Box

of

6.

Sl-

Sl-1230

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SERIES

1

2

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CHANNEL,

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BRIDGABLE

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AMPLIFIERS

CONFIGURING

Because the Sl-1230 offers so many configuration possibilities it is important to plan carefully before you install it. Draw a block diagram of your system and use the Configuration Worksheet on page Sl-1230.

example

an

Here

is

OUTS

&

INS

BUS

Left Main

Right Main Cascade

CH# BRIDGED DIP

Bus

Output

YOUR

filled

SYSTEM

according

out

Example

Stereo Stereo

to record how you plan to connect your

27

1

Receiver-

INPUT

SOURCE

the

to

CONNECTED

lotte-

2ttd

lotte-

2ttd

block

Left

Right

diagram

TO

on

Pre-Output

SPEAKER

page

10.

1 2 3

4

5

6

7

8

9 10 11 12

MODE

Constant Audio Voltage Trigger Control

0 0 0

0

~

SETTINGS IN

Sense

Output

L R

L

R

USE

0

[!{

0

Maitt Maitt

Maitt

Jus Jus

Jus

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ZoneS

ZotteS-

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Zotte5

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Left

-

Right

Left

-

Right

Left

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-

Left

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AUDIO

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---------

15

INSTALLATION

CONSIDERATIONS

Automating the turn-on of your

it

in

a distributed system. However,

switched AC

Sl-1230 is

always

on your

outlet

requires large

of

your preamplifier or receiver. The high power design

amounts

recommended to activate the system preamplifier/receiver before turning

Sl-1230

in

order to prevent system these important needs, the turn the amplifier on only the Turn-On

Mode

selector switch (see Figure

when it is needed. These three options are accessed by

Sl-1230

of

current from its AC power source.

Sl-1230

is one

do

not

has three

Turn-On Modes

Constant -

front

panel master power switch operates

amplifier.

Audio

front

Sense -

panel must be amplifier present at any

The auto turn-on circuitry is off. The

In

is

"On", Out

is

"Off".

The master switch on the

in

the

is

"On"

off

when there is no audio

of

the audio inputs, but the

position. The

signal

sensing circuitry is on. The turn-on sensing circuitry audio inputs. pair &

4, will turn on. sensing circuit waits amplifier channels

looks

for a

If it detects a

of

amplifier channels

etc.) assigned

Once the audio

off.

signal

to

two

present at any

signal,

(i.e.

the adjacent

channel 1

receive the input signals

signal

stops, the

minutes, then turns

of

&

of

the easiest steps when

plug

the main power cord into the

"turn-on thumps".

special

turn-on modes that

7).

the

CONSTANT

the

2 , 3

IMPORTANT!

POWER

THE

ON

FOR

ANY

ON

all

In

order

Figure 7

TURN

OPTIONS

ON

AUDIO

- -

THE

SWITCH

(SWITCH

OF

THE

TO

installing

of

the

Additionally, it

to

address

let

you

MODE

SENSE

3-30V

AC/DC

TRIGGER

INPUT

FRONT MUST IN)

THREE

FUNCTION

PANEL

BE

IN

POSITION

TURN-

3-24 Volt

panel

Trigger detects a voltage, the the sensing circuit

Ac/Dc

must be

Opto-lsolated Voltage Trigger -

in

the

"On" position for the

Plug is inserted into the rear

amplifier

instantly

is no 3-24V AC or DC voltage detected at the trigger input.

be

supplied

by

Niles

automated switchers, some video projectors, some surround sound processors, or something as into the switched recommended; the delay

the turn-off

outlet of your stereo receiver. Linear DC

long

of

the

greater.

16

voltage

panel

connector and the sensing circuitry

is turned on.

turns the amplifier

simple

as a 12 volt

discharge time of the

amplifier.

Trigger sources must be 3-24VAC or DC, 20mA or

The Power switch on the front

trigger

Once the Trigger voltage

to

function. When a

is turned off,

off. The amplifier is off when there

AC

DC

adapter's filter

Voltage

wall adapter plugged

wall

triggers can

adapters are not

capacitor

will

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2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

INSTALLATION

I

CONSIDERATIONS

PLACEMENT

Place the

Sl-1230 on a

flat, level

surface

like a table

upright so that its weight rests on the unit's four feet.

THE

AMPLIFIER

RESULT

The ventilation

IN

DAMAGE

Sl-1230, like

for proper

that the rear

Figure 1

0).

If

small "boxer fans" to provide continuous air

Figure

11

).

Place the Sl-1230 the chassis. the

amplifier's

the

Sl-1230.

ON

THE

REAR

TO

THE

any hi-fi component,

cooling.

of

the cabinet is open to fresh air to provide proper

the cabinet's design will

OR

FRONT

PANEL

AMPLIFIER'S CONNECTORS

will last

When installing

much

the

not accommodate

flow

If

the

amplifier

feet. Do not

so that there is at

is

located

on a carpeted surface,

block the ventilation holes

least

or shelf. It should

PLACING THE

FOR

EVEN

AND

longer

Sl-1230

if it is given adequate

in

a cabinet, be sure

AN

be

WEIGHT

INSTANT WILL

CONTROLS.

cooling

an

open

into and out

rear,

install

of

the cabinet (see

5" of free air space above

place a board under

on the top and bottom

placed

OF

(see

two

of

The

Sl-1230 generates a (particularly turntable directly

WHHD'.HHHUHH/HHHHHD'D'/HUHHHHAI

Because the surface of the is recommended that a above the amplifier

top surface of the

Make sure that there is a minimum of space above the amplifier

is

equipped with a

powerful

a

turntable

magnetic field

above or

amplifier

baffle

to

block hand access to the

811230.

for proper

W~

W.H~

W/H'.H~

equipped with a moving

directly

may get hot, it

or screen be

digital

placed

7"

of free air

ventilation.

W~A!I

power transformer. This transformer

which

adjacent to the

could induce hum

coil

cartridge). Do not place

Sl-1230.

Boxer

Fan

(55

CFM) directly centered top

of

the

7"

Amplifier.

•

I I

on

in

a

.

f

turntable

Boxer

Fan

(55 directly centered 2" behind the

F

I

Amplifier.

a

CFM)

•

Allow

a minimum of

to accommodate

NILES

AUDIO

2"

of depth behind unit

cables and connectors.

CORPORATION

-l-800-BUY-HIFI-l-760-710-0992

•

If

the cabinet rear

using

low

impedance loads, install

to

provide continuous air

cabinet.

---------

is

not open to fresh air or if you're

two

"boxer fans"

flow

into and out of the

17

FRONT

AND

REAR

PANEL

DETAILS

Inputs

Bus

Main

line

stereo

a

BusMatrix

TM

enable

level

the

of

you

source

1230

Sl-

to

the

route

panel entire

daisy

to

Amplifier®

Power"

"Master amplifier,

main

the

of

multiple

chain

switch

including

On

input

bus

turns

Turn-

the

circuitry

Systems

3 0

12

•

Sl

Integration

Front

the

off

Cascade

enable

outputs

you

amplifiers

mm

DC

Mode

Jack

Control

"Turn-OnJJ

3.5 2v

1

Switch

for

Input

3.5 2v

1

mm

DC

for

Jack

Control

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MODE)

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18

WWW.NilESAUDIO.COM

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

FRONT

-NILESe

AND

Power

LED connected master

to

power

REAR

illuminates

a

switch

live

to

AC

is

PANEL

confirm

power

on

the

outlet

amplifier

and

that

DETAILS

is

the

I

Bicolor

Status

r

rgreen''

when

circuitry

has

by

the

Turn-On

illuminates activation built-in

rrredJ(

of

protection

LEO

the

amplifier

been

turned

circuits,

to

indicate

the

amplifier's

circuitry

(0

S

TATus)

illuminates

on

and

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switches~

inputs

BusMatrix

and

level

channel

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(8

0 MINIMUM

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controls

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Gold-plated

CAUTION

:

REPLACE

RATING

WITH

FU

SE

a

.

--~\

@

FUSE

· 100- 120V :T10AL

· 220-240V : TSAL/ 250V

S

AME

RCA

TYPE

AND

/2

SOV

jacks

Input

voltage

selection

range

switch

Dual

banana

spaced

binding

post

for

speaker

connections

NILES

AUDIO

CORPORATION-

1-800-BUY-HIFI-

1-760-710-0992

---------

Removable 16

gauge

Three-prong

1

6

AC

power

cord

19

INSTALLATION

LINE

LEVEL

CAUTION!

The

AUDIO

amplifier

INPUT

must be off whenever you make changes to the input

connections.

I

STEP

interconnecting

the

of

all

Label

1. connect

they

Connect

2.

amplifier's channels

even

the

CASCADE

to.

sources

the

NOTE:

jacks.

"bridged"

in

numbered

AUDIO

by

mode

amplifier

The "Cascade Audio Outputs"

preamplifier

them to another

output. The connectors are gold-plated

amplifier's inputs with a standard audio patch cable.

cables

inserting

are

you

If

connect

input

OUTPUTS

the

using

the

jack.

RCA

sources

the

for

the

into

plug

amplifier

two

cable

input

enable you

DESCRIPTION

cables

patch

audio

Use

ends.

the

attached

Connect amplifier.

to

input Sl-1230.

connect another amplifier

to

Never

record

from

connect

inputs)

outputs

(e.g.,

RCA phono jacks. Connect

with

your

a

to

RCA

sources

source

inputs

the

plugs

phono

inputs

to

preamplifier's

or

your

of

your

to

The

on

outputs are not buffered; if you wish to daisy-chain more than 5 Niles amplifiers

you will need a

will allow

you to daisy-chain 5

Niles

AVDA-3 buffered distribution

30 Sl-1230 power amplifiers

amplifiers

from each

to be fed from the same master preamplifier. If

amplifier. A

its six outputs,

of

preamp has a vacuum tube output stage, you must use a more than a

single Sl-1230.

single

Niles

AVDA-3

allowing

your

AVDA-3 to drive

the

POWER

AC

sure

Be by your

to local

PLUG

set the AC

power source before connecting the AC power cord to the

STEP

of

socket

female

the

Plug

1. (the

cord

outlets),

wall

match

to

AC),

240V amplifier.

CAUTION!

preamplifier's

20

Do

IEC

supplied the

into

power

use

or

electrical

IEC

the

plug

not convenience

cord

appropriate

an

wall

receptacle

amplifier's

the

outlets.

Input Voltage Selector

power

IEC

are

the

cord

AC

rear

into

AC

120V

for

power

using

of

a

AC

cord

(e.g.

the

is

outlet

supplied

designed

you

on

switch to the

voltage range

DESCRIPTION

grounded

a

use

you

If

extension

suppressor ground

The 890 more

a

of auto whenever

or

maintained.

is

than

draws

from

the

circuitry

on

the

typical

preamp

Sl-1230

watts component

turn

an

will

AC

a

provide.

strip,

power

verify

cord,

maximum

outlet.

wall

accessory

Use

on

turn

to

on.

is

N

WWW.

supplied

amplifier.

surge

proper

that

approximately

of

much

is

This

the

on

outlet

Sl-1230's

the

Sl-1230

the

0.

I

D

LESAU

I

back

COM

INSTALLATION

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

SPEAKER

CAUTION!

end into the opening,

and then tighten the

knob until

All speaker wire connections must be made with the

Unscrew the red or

black plastic

insert the bare wire

securely clamped

WIRE

knob,

the wire

CONNECTIONS

is

amplifier

Banana

There are many types of banana some gold quick-connect binding post for the bare wire on the body of the banana inserted into the jack at the end of the amplifier's binding post. plugs will post.

Plugs

plugs,

solder. The Niles

banana

plug

is

Dual

fit the binding

off.

some crimp,

has

3

plug.

A

simply

banana

STEP

1.

Label

2.

Connect plug red

terminal. single another

all

wires.

one

to

the

black

strand

connector.

stripped

CAUTION-

of

wire

terminal

wire

touching

end

and

Avoid

or

banana

one

to

having

the

chassis

the

even

DESCRIPTION

If

you

label terminal to

reconfigure

A.

Split of

each

a

B.

Strip

or

conductor

C.

Attach and

insert

the

of

the

speaker

conductor

one

half

of

banana

them

wires Sl-1230

your

system

wire

inch

the

speaker

plugs

into

for

their

they

in

insulation

are

separated.

of

insulation

or

twist

the

appropriate

destination,

are

connected

the

future.

so

from

wire

the

strands

rather

to,

that

at

the

end

of

binding

than

it

will

least

of

wire

post.

which

be

easier

two

inches

each

together

NILES

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---------

21

INSTALLATION

BUSMATRIX

tM

INPUT

SWITCH

SETTING

Each channel has a dedicated BusMatrix™ DIP switch that assigns that channel's source. first three switches which will give you either Left

To

assign a signal from the Main Bus Input, select one

(L),

Right

(R)

or Mono

of

the

(L+R). assign the channel's dedicated input select the fourth switch. Only ONE switch should be selected to the "ON" position.

~-·······················~

: MAIN :

BUS

INPUT

L

R

"OFF" Position "ON" Position

I

~-·········sus

L

R

L+R

To

STEP

Move

only

for

each

ONE

switch

channel.

to

the

"ON"

position

DESCRIPTION

ICAUTION! four set

more

undesirable

of

The

the

switches

than

one

mix

DIP

of

switch

inputs

to

physically

the

"On"

"On",

on

position.

you

the

entire

allows

will

create

bus.

If

you

to

move

all accidentally an

22

WWW.NilESAUDIO.COM

INSTALLATION

CHANNEL,

2

BRIDGABLE

POWER

AMPLIFIERS

BRIDGING

Sl-1230's bridging switches

The

channel

by combining or

OJ

TWO

BRIDGED

3

U~4

WHEN

BRIDGED

CHANNELS

OJ

--t

STEP

"bridging"

4

~

INTO

allow

you

ONE

create a more powerful

to

two adjacent

the bridging

Slide

the direction

switch of the arrow to bridge two adjacent amplifier channels. Set controls

the channel.

in

the

newly

of the

bridged pair by using

numbered

EVEN

DESCRIPTION

amplifier

channels.

When two together, connect speakers to the two

channels

terminals labeled "Bridged".

are bridged

2

to

than

the level

which

and

the

Do

eight

channel

Choose

1. bridge pair

CAUTION!

less

Connect

2. Bridged +,BRIDGED markings.

CAUTION!

headphone

or

bridged

Use

3. and configuration.

of

move

"Bridged"

connect

not

ohms

speaker

the

speaker

-).Observe

NOT

DO

junction

pair.

NUMBERED

EVEN

control

pairs

six

the

bridging

the

position

a

bridged

a

to

wires

terminals

proper

connect

to

box

connections

for

wish

you switch

(toward

speaker

(BRIDGED

a

input,

load

channel.

two

the

to

polarity

speaker

output

the

DIP

and

to

that

for

arrow).

of

selector

a

of

switch,

channels

12

The

channels

two

the channels You

bridged

A ohm

impedance go

Connect two touches terminals)

These

either

When the

position.

1

cannot

channel

minimum

protection

into

your

adjacent

black

a

connections

thermal

two

numbered

odd

are

within

or

2,

and

2

bridge

on

load.

than

less

of

or

speaker

amplifier

terminal

short

will

you

to

shutdown

channels

input

grouped

channels

and

a

Connecting

be

wire

a

are

into

can

pair

a

3

example.

for

3

Sl-1230

ohms

8 damaged.

only

channels.

(thereby

the

circuit

bridged

poor

or

bridged

switches

DIP

pairs

6

bridged.

be

could

4

and

designed

is

speaker

a

cause

may

red

the

to

of

one

If

grounding

amplifier.

channel

quality

one,

into

are

1

(e.g.

Thus,

be

for

with

the

terminals

speaker

the

will

pair

sound.

make

in

all

Only

2).

&

only

bridged.

eight

an

nominal

a

Sl-1230

of

wires

"hot"

red

result

that

sure

"off"

the

to

the

in

AUDIO

NILES

CORPORATION

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---------

23

INSTALLATION

SETTING MODE

Sl-1230

The the mode you want by See Installation more information about each of the turn-on modes.

conserve

To

TIP:

AUDIO

either CONSTANT turning

THE

off

CONTROL

THE

SWITCH

has three turn-on modes.

SENSE

mode

when

TURN-ON

sliding the mode switch.

Considerations

TURN

the

energy

will

not

set

TRIGGER

or

prevent

use

in

OUTPUT

the

wasting

on

ON

INPUT.

amplifier

energy.

Select

page 14 for

to

mode

the

of

Use

from

TURN

CONSTANT

THE

SLIDE

YOUR

SLOTIED

MODE

ON

AUDIO

FINGERNAIL

SENSE

1-

WITH

OR

3-30V

AC/DC

TRIGGER

INPUT

I

-•-.

-·1

SWITCH

SCREWDRIVER

EITHER

/8"

1

BLJ\DE

signal

terminal

This

suitable switchers, some motorized screens, some electric curtain controls, is present or on. When the signal

is off.

provides a 12V

for triggering

when the

only

amplifier

Niles

DC

automated

etc. This

amplifier is active

turns off, the 12V

voltage

STEP

Check

1. want

Connect

2.

output

requirements

the

control.

to

3.5

the

maintaining

mm

proper

of

Jack

device

the

to polarity

you

control

(tip=+).

DESCRIPTION

control

The

· current

Niles

capability

makes

FG00724.

output

of

accessory

an

has

150

maximum

a

rnA.

cable

plug

24

WWW.NILESAUDIO.COM

OPERATION

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

POWER

The front turn-on mode you have circuitry an

extended period

switch out). When you

SWITCH

panel

switch is a master or

including

selected, the master power switch

the sensing circuitry.

of

time, turn the master power switch

would like

"On" (push button switch

Important

Notes: Equipment is not

source when power switch

Power LED

The power receptacle

Bicolor Status LED

The

bicolor Status turned on by the Turn-On the

amplifier's built-in

speaker, or with the

LED

indicates that the

and that the power switch is

LED

illuminates "green"

circuits, and

protection circuitry due

Niles System

in).

is

to

in

the

AC

Integration

"vacation" power switch. No matter which

will

If you will

return

to

normal

completely

turn off

not be using the amplifier for

"Off"

(push button

operation, turn the switch

disconnected from main power

all

"OFF" position.

cord is

illuminates "red"

plugged

in

the

when the

Amplifier®

into a working

"On" position.

amplifier circuitry has been

to indicate activation

to

either a fault

itself.

AC

power

in

the wiring or the

of

Using

If to is

Level

Controls as Limiters

your system is remote

play

the stereo

limited to a

too

loudly, you can choose

volume level

controlled, or if you think that some

you assign. The Sl-1230 allows

volume levels for different rooms.

Calibrate

1.

Lower

there are any other amplifiers

minimum

2.

Raise

3.

Play

4.

Raise the sound, must be at minimum.

5.

Have someone step into each room and listen to the desired maximum speakers for the most common

your system volume levels

all

of

the Sl-1230 level controls

(all

of

the amplifiers

all

of

the

individual in-wall volume controls

a

loud

radio station with the tuner set

volume

lower

the

of

your preamplifier or receiver

volume

again and recheck

If

no sound is heard, proceed to step five.

level

with the steps outlined below:

to the minimum

in

the system, lower

in

your system must have

for that room. Adjust the

listening

to

calibrate

to

Mono.

all

of

as you adjust each

position

of

the users like

the system so that it

you to set different

volume

position.

their level controls

level controls).

to

the loudest

slowly-

your

amplifier levels,

balance

in

each room.

if you hear any

setting.

between

If

to the

they

level control

NILES

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1-760-710-0992

---------

25

OPERATION

HIGHER

LISTENING

AT

Thirty watts is enough power to

room

loudly

that, the

enough to completely drown out conversation.

Sl-1230 will

sound clear and clean. However, it requires more power

to achieve a reasonable volume

is possible (even if you are not a teenager) to turn the volume so high

room.

It

that the amplifier runs out

VOLUMES

a conventional speaker

play

sound

of

power. This creates

of

in

a normal sized

in

levels like

Even

at

a large room than it does

"clipping" distortion.

in

small

a

Clipping distortion makes treble sound very harsh and unmusical. When you hear harsh sounding treble from any good speaker, turn the volume down immediately! Those harsh sounds are masking some much more powerful

quickly damage the tweeter of any

high frequency sound spikes which

will

loudspeaker.

you continue

If

circuits

will

operate the amplifier at

to

"clipping"

power

levels

operate when the amplifier overheats. The protection circuits reset

the protection

when the amplifier's internal circuitry cools. Reduce the volume to prevent a

abuse and

reoccurrence.

Perpetually overdriving your speakers and

probably voids the manufacturer's warranty

of

amplifier

affected products.

all

is

CLEANING

AND

The internal parts

Once

a year it is appropriate to twist the RCA connectors on each input to

MAINTENANCE

Sl-1230

the

of

are electronic and require no maintenance.

remove any oxidation and improve conductivity.

You can clean only

amplifier.

cleaners on

the

with dry

cloth.

Do not use any spray-type, abrasive

26

WWW.NILESAUDIO.COM

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

TROUBLE-SHOOTING

GUICE

When there is a problem consult this guide first. If the problem persists, or you

have additional questions, call your local Niles dealer or call Niles Technical Support at 1-800-289-4434. The most common problems relate to hook up. Have your configuration worksheet handy when you call.

Symptom

No

sound

on

one

channel

Possible

BusMatrix™

the

correct

Short and

that

at

the

Short

the 2 conductors

connect Speaker

cable known

Bridging setting

The

thermal

inadequate

setting

circuit

there

back

of

circuit

the

two

is

not

to

dedicated

to

be

Switch

and

verify.

ventilation.

Causes

DIP

switch

and

or

loose

wire

are

no

loose

the

amplifier

or a break

at

both

conductors

working.

input

good.

is

in

the

protection

and

is

not

verify.

at

speaker

strands

and

in

the

speaker

ends

at

Connect

is

bad.

wrong

circuit

has

Test

in

the

of

the

speaker.

and

test

one

end

the

speaker

Connect

position.

operated

Procedure

correct

position.

or

amplifier

wire

wire.

with a meter

and

the

Check

terminals.

crossing

Disconnect

test

with a meter

to a channel

non-working

your

because

Check

your

Check

from

the

positive

the

speaker

for a short

configuration

of

circuit.

for

that

plays

channel

overheating

configuration

that

connections

to

the

negative

wire

at

both

If

there

continuity.

another

speaker.

input

to

another

worksheet

caused

by

worksheet

are

terminal

ends,

is

no

short,

cable

for

the

correct

over

driving

secure

separate

Audio

for

that

or

is

No

sound

all

channels

Hum

from

speakers

Amp

will

on

all

not

some

the

turn

on

or

BusMatrix™ and

verify

all

Audio

cable

that

is

the

amplifier

Hum

may

be

ground

loop

plugs. Check

for

faulty

a

defective

Master AC

power

Test

blown.

power

that

Return

component.

cord

the

DIP

switches

settings.

to

the

known

to

your

caused

by

reversing

cables,

switch

must

AC

power

the

amplifier

are

main

bus

to

be

good.

dealer

for

by a ground

the

faulty

must

be

plugged

receptacle

to

not

in

the

inputs

is

Some

service).

loop

AC

plugs

source

on.

into a working

is

working.

your

dealer

correct

bad.

Connect

or

all

of

between of

any

components

material,

for

service.

positions.

the

internal

two

components

an

ungrounded

outlet.

If

the

outlet

Check

your

non-working

amplifier

in

the

system

phono

tests

O.K.,

configuration

channel

fuses

the

are

system.

with

system,

the

internal

input

non

to

blown.

Test

polarized

cable

fuses

worksheet

another (Return

for

a

AC

TV

feed

or

are

NILES

AUDIO

CORPORATION-

1-800-BUY-HIFI-

1-760-710-0992

---------

27

TROUBLE-SHOOTING

GUIDE

Symptom

Sound

is

distorted

on

one

or

all

of

channels

volumes Normal

be

Bass and

"phasey"

one

A to amplifier sounds

volume

reached

sound

the

stereo

room

speaker

a

bridged

channels

weak

at

normal

is

weak

sounding

connected

pair

the

cannot

image

in

of

Possible

BusMatrix™ Check

One

Check

the

is

with

The

Check

Causes

DIP

your

configuration

of

the

internal

that

the

bridging

loudspeakers

each

that

switch

other.

the

bridging

switches

amplifier

switch

is

set

are

wired

switch

and

Test

are

not

in

worksheet

fuses

is

"Off".

to

the

"Bridged"

out

of

phase.

is

"On".

Procedure

the

correct

positions.

and

verify

all

blown.

(Return

If

two

adjacent

position,

Reverse

settings.

the

amplifier

channels

the

two

the

connections

to

your

are

speakers

at

dealer

connected

will

play

out

the

back

for

service).

normally

of

phase

of

one

speaker.

but

prod uctsug gestio n

28

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WWW.

N

llESAU

DIO.

COM

SPECIFICATIONS

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

Detail

Design

Principle

Continuous Average

Power

Output

Continuous Average

Output

Power

Bridged

Frequency Response

Signal

to

Noise

Ratio

Sl-1230

Digital,

30 40

80

5Hz

20Hz driven

high

watts

to

25kHz,

to

Series

current

RMS

20kHz

2

bridgeable

per

channel

per

channel

per

channel

+OdBI

-3dB

unweighted-

multi-channel

into

8

Ohms

into

4

Ohms

into

8

Ohms

>89dB

at

,

(all

channels

rated

amplifier

power,

2

driven)

channels

Total

Harmonic

Distortion Channel

Separation

Overall Dimensions

We

.ight

AC

Mains:

@

1kHz

<.05°/o

@1kHz

17 5

%"

16%"(41.1

Weight

100-120

%"

>70d8

(43.81

(14.5

351b.,

I

em)

wide

em)

high

em)

deep

15.8

kg

220-240

(including

V-,

50

I

feet)

60Hz,

500W

NILES

AUDIO

CORPORATION

-

1-800-BUY-HIFI

-

1-7

60-710-0992

---------

29

CONFIGURATION

WORKSHEET

For ease

&

INS

BUS

Left Main Right Main Cascade

CH#

1 2

3

4

5

6

7

8

Output

BRIDGED DIP

use, the Configuration Worksheet can be

of

OUTS

Bus

INPUT

SOURCE

0 0

enlarged

CONNECTED

on a photocopier.

TO

SPEAKER

9 10 11 12

MODE

Constant

Audio Voltage Trigger Control

0 0

SETTINGS

Sense

Output

IN

USE

0 0 0 0

SPECIAL

30

WWW.NILESAUDIO.COM

2

CHANNEL,

BRIDGABLE

POWER

AMPLIFIERS

LIMITED

Niles

Audio Corporation

in

material

This warranty is where you purchased your product without proof authorized ANY

Upon examination, the repaired Canada In

the event that this

a different model REMEDIES

This Warranty does not

damage caused defect caused

and workmanship for the

NILES dealers

UNIT WITHOUT FIRST RECEIVING WRITTEN AUTHORIZATION

only.

WARRANTY

("NILES")

Lifetime

All Passive Amplifier Products

Ten All Other Passive Products

Two years from the date All

or

FOR BREACH OF WARRANTY.

Warranty

years from the date

Active

Products

not

transferable

of

purchase

replaced unit

Any shipping costs for addresses outside

of

by

NILES will,

model

equal

include

accident,

repair

to

in

or

warrants

(those requiring AC or battery power).

to

subsequent purchasers

will

be denied)

your area, you must contact

at its sole

to

you via its

is no

longer available

greater

service

mishandling,

the product by anyone other than

to

the

following

of

purchase

(those not requiring AC

of

purchase

or

take the unit

who

option and expense, repair

value,

or

original retail

periods and subject

(those not requiring AC

will

test the product and if necessary, forward it

usual

shipping method from the factory

and cannot be repaired

or

refund the

parts

to

repair damage caused by improper use

improper

to

the nearest authorized

of

installation, commercial

purchaser

or

of

the product.

NILES

to

the United States

original

purchase price paid. THE FOREGOING ARE

NILES.

only

to

the

or

battery power).

receive a factory Return Authorization Number.

AND

or

that this product

limitations

battery power).

SHIPPING INSTRUCTIONS FROM NILES.

replace

effectively, NILES,

and

exclusions

To

obtain warranty service, contact the authorized

NILES dealer

any product found

to

or

Canada

use, abuse,

(with proof

your address

shall

or

negligence,

will

be free

of

set forth

to

NILES

to

be defective.

in

the United States

be the responsibility

at its

sole

handling, including but not

or

manufacturing defects

below:

of

purchase -

for service.

option, may replace it with

normal

If

DO NOT

NILES will

of

YOUR EXCLUSIVE

wear and tear,

of

America

limited

dealer

made

RETURN

return

to

or

claims

there are no

the purchaser.

or

any

This warranty does evaluation,

This Warranty

THE FOREGOING NILES

EXPRESSLY WARRANTIES OF TO THE PRODUCT. INCIDENTAL LAW, EVEN

Notwithstanding the above, if you you may be on how

long an

apply

to

you. This warranty gives you specific

For the name or

call (800) BUY-HIFI

a

select

group

Internet

through unauthorized Internet dealers

not

or

installation

will

•

OR CONSEQUENTIAL DAMAGES EXCEPT TO THE EXTENT PROVIDED (OR

IF NILES HAS

entitled

of

1)

2)

3)

cover reimbursement for your costs of removing and transporting the product for warranty service

of

any replacement product provided under this warranty.

be void if:

the

Serial

the product was not purchased from

implied

your nearest authorized NILES dealer,

of

goods counterfeit damaged,

Number on the product has been removed, tampered with

WARRANTIES

DISCLAIMS

MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE

TO

THE

MAXIMUM

BEEN

to

any implied

warranty

(289-4434)

authorized

Internet dealers.

acquired on a secondary

or

stolen

or

defective

ARE EXCLUSIVE

ALL

SUCH

OTHER WARRANTIES, INCLUDING

EXTENT PERMITTED

ADVISED

qualify

warranties

lasts

or

(760) 710-0992. Please

goods

Please fill in

OF THE

as a

"consumer"

allowed

or

allow

the

legal

These are

are not covered by the

or

goods

your

an

authorized

AND

POSSIBILITY OF SUCH

by

law

exclusion

rights, and you may

contact: THE AVC

listed

grey market

product

dealer

or

reseller.

IN LIEU

under the Magnuson-Moss Warranty Act,

information

OF

ALL

OTHER EXPRESSED

BY

LAW,

NILES

DAMAGES.

for the Warranty

or

limitation

be advised that NILES only sells its products via the

on

our

website at www.nilesaudio.com. Products

NILES

Period.

of

consequential

also

have other rights which vary from state

GROUP,

warranty and may be either:

and

retain

or

defaced.

BUT

NOT

AND

SHALL

1969

for

your

LIMITED

NON-INFRINGEMENT,

NOT BE

PROHIBITED)

Further, some states

damages, so such

Kellogg

Avenue, Carlsbad,

records.

AND

IMPLIED WARRANTIES.

TO

IMPLIED

RESPONSIBLE

or

applicable

WITH

FOR

BY

APPLICABLE

state

do

not allow limitations

limitations

to

CA 92008,

Internet

offered on the

RESPECT

ANY

laws,

then

may not

state.

through

I

Model

________

ATTENTION: To

insure that consumers obtain

authorized

NILES

TO

OUR VALUED CONSUMERS:

dealers. This warranty is

AUDIO

CORPORATION

_

Serial

quality pre-sale

VOID

No.

and

if the products have been purchased from

after-sale

-1-800-BUY-HIFI-

support and service,

1-760-710-0992

NILES

products are

an

unauthorized

Purchase

sold exclusively

dealer.

Date

_____

_

through

31