Insignia NS-A1200 User manual

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Insignia NS-A1200

Car Amplifier

Contents

Welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Installing your amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Using your amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Legal notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Français . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Español. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Welcome

Congratulations on your purchase of a high-quality Insignia product.

Your NS-A2200 represents the state of the art in car amplifier design,

and is designed for reliable and trouble-free performance.

Introduction

This amplifier provides high-performance sound enhancement for

your mobile audio equipment. Its versatility provides compatibility with

additional equalizers, frequency-dividing network crossovers, and

other audio processors in a customized system. The multi-mode

bridging capabilities allow flexibility in hosting many different speaker

configurations.

Important

For optimum performance, we recommend that you read

this user guide before beginning installation.

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Safety information

• Make sure that your stereo and other audio equipment is

turned off while connecting the input jacks and speaker

terminals of your amplifier.

• The +12 volt DC power wire must be fused at the battery

positive (+) terminal connection. Before making or breaking

power connections at this system’s power terminals,

disconnect the +12V wire at the battery end.

• Because of the amplifier’s power requirements, the amplifier’s

power connection should be made directly to the battery’s

positive (+) terminal. For safety, install an in-line fuse holder

(not included) as close to the battery’s positive (+) terminal as

possible. The fuse should have an ampere rating not

exceeding the total value of the fuses in the amplifier.

• Thoroughly investigate the layout of your vehicle before drilling

or cutting any holes. Take extra precautions when working near

tanks, lines, hydraulic lines, and electrical wiring. Don’t mount

this system so that the wire connections are unprotected or are

subject to pinching or damage from nearby objects.

• The amplifier produces a large amount of heat, and that heat

must be dissipated correctly or the amplifier will turn off to

prevent damage. Do not enclose the amplifier in a small box or

cover it so that air cannot flow around the cooling fins. If

mounting it in a trunk, mount it vertically.

• If you need to replace the power fuse, replace it only with a

fuse identical to that supplied with the system. Using a fuse of

a different type or rating may result in damage to this system,

which isn’t covered by the warranty.

• If the Protect LED is on, carefully check the system to

determine what has caused the protection circuit to engage.

The amplifier can be reset by turning the remote power off and

then on again. If the amplifier shut down because of thermal

overload, allow it to cool down before restarting. If the amplifier

shut down because of an input overload or short circuit, repair

these conditions before trying to turn the amplifier on again.

• Continued exposure to excessively high volume sound levels

may cause hearing loss or damage. Operation of a motor

vehicle while listening to audio equipment at high volume levels

may impair your ability to hear external sounds such as horns,

warning signals, or emergency vehicles, which could create a

traffic hazard.

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Features

• High-speed digital circuitry

• Fully regulated PWM power supply

• Four-way protection circuit

•1 Ω stability

• Bridging synchronization

• Variable low pass: 50 Hz ~ 150 Hz

• Variable subsonic filter: 15 Hz ~ 40 Hz

• Phase switch: 0° ~ 180°

• System distress indicator

• Mono speaker output connector

• Remote dash mount low-level gain control with cable

• Nickel-plated heavy-duty power and speaker terminals

Controls and functions

Front view

Item Description

1 PHASE

SHIFT

control

Slide this switch to either 0° or 180° to change the

phase of your subwoofer to help compensate for

timing differences between drivers.

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2 BASS

BOOST

control

Adjust this control with a screwdriver to emphasize

bass notes at 35 Hz~80 Hz by as much as 18 dB.

3 LED

indicators

PWR (Power)—This green LED turns on when the

amplifier is turned on. If it fails to turn on, check the

power connections to the amplifier and fuses.

Protect—This LED turns on when the amplifier’s

protection circuitry disables the amplifier if input

overload, short circuit, or extremely high temperature

conditions are detected. When the LED is on, it

indicates that the amplifier has gone into a

self-preservation mode.

If the Protect LED is on, carefully check the system to

determine what has caused the protection circuit to

engage. The amplifier can be reset by turning the

remote power off and then on again. If the amplifier

shut down because of thermal overload, allow it to

cool down before restarting. If the amplifier shut down

because of an input overload or short circuit, repair

these conditions before trying to turn the amplifier on

again.

4 Low-level out

RCA jacks

In a multiple-amplifier system, connect RCA cables

from these jacks to the LINE IN jacks on the

secondary amplifier. With these jacks, splitter cords

are not necessary.

5 Low-level

input RCA

jacks

Connect high-quality, shielded RCA cables to the

source device and these jacks.

Item Description

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6 Input LEVEL

control

Adjust this control with a screwdriver to change the

amplifier's input sensitivity. Input sensitivity is variable

from 200 mV to 8 V. Clockwise increases sensitivity,

and counter-clockwise decreases sensitivity. The

amplifier can be driven to full power with a wide range

of signal levels. A lower signal level will require

increased sensitivity for full power. A higher signal

level will require decreased sensitivity. Avoid setting

the sensitivity lower than necessary, because doing

so would introduce unwanted distortion.

7 SUBSONIC

filter control

Adjust this control with a screwdriver to roll off all

unwanted frequencies below 15 Hz~40 Hz. This will

allow the amplifier to use that wasted power on the

audible bandwidth.

8 LOW PASS

filter control

Adjust this control with a screwdriver to set the

low-pass frequency (50~150 Hz). The filter cuts off

frequencies above the set point. In general, the

selected frequency should closely match the resonant

frequency of the speaker box. (The resonant

frequency is the frequency below which sound cannot

be reproduced by the speaker.)

9 BRIDGED

MODE switch

Slide this switch to MASTER or SLAVE for a

multiple-amplifier setup.

10 Speaker

terminals

Make sure that the negative side of the voice coil is

connected to the (-) terminal and the positive side of

the voice coil is connected to the (+) terminal.

Item Description

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Rear view

Item Description

1 Remote bass

boost control

Plug this control into the REMOTE jack on the

amplifier, then mount the control in an easy-to-access

location. Adjust this control to change the bass boost

gain for the amplifier’s speaker output (0 ~ 18 dB).

2 B+ terminal

(battery

positive +)

Because of the amplifier’s power requirements, this

connection should be made directly to the battery’s

positive (+) terminal. For safety, install an in-line fuse

holder (not included) as close to the battery’s

positive (+) terminal as possible. The fuse should

have an ampere rating not exceeding the total value of

the fuses in the amplifier.

3 Remote

power on

Connect your remote antenna or amplifier lead to this

input to automatically turn on your amplifier when the

radio is turned on.

Remote bass boost control: NS-RM

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Installing your amplifier

Planning your system

Before beginning the installation, consider the following:

• If you plan to expand your system by adding other components

sometime in the future, make sure that adequate space is

provided and that cooling requirements are met.

• Consider whether you should use high or low inputs. Your

amplifier has been designed to accept a low-level (pre-amp

output from your stereo) signal source. If your source device is

equipped with pre-amp outputs, you can use them to drive the

amplifier, so you can connect the amplifier to the two rear

speakers. Then you can use the built-in power of your source

device to drive the two front speakers.

• Make sure that your components are adequately matched. The

peak power rating of your speakers must be equal to or greater

than the amplifier’s. They also must be 1-8 Ω impedance. You

can find the speaker’s impedance rating by looking on the

speaker magnet.

• Consider the length of your leads (wires)

and

the routing when

determining the amplifier’s mounting location. Pre-amp input

jacks require a length of high-quality, shielded, male-to-male

RCA patch cable.

4 B- terminal

(chassis

ground)

To avoid unwanted ignition noise caused by ground

loops, the amplifier must be grounded to a clean,

bare, metal surface of the vehicle’s chassis. The

ground wire should not be more than three feet

(one meter) long.

Note

Distortion level is considerably lower from pre-amp (low

level) outputs.

Item Description

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Mounting your amplifier

The mounting position of your amplifier will have a great effect on its

ability to dissipate the heat generated during normal operation. It has

an ample heat sink for heat dissipation, and is also designed with a

thermal shut-down circuit (for heat protection). Directing air flow over

the cooling fins will dramatically improve heat dissipation. Do not

enclose the amplifier in a small box or cover it so that air cannot flow

around the cooling fins.

Temperatures in car trunks have been measured as high as 175°F

(80°C) in the summer. Since the thermal shut-down point for the

amplifier is 185°F (85°C), it must be mounted in a location that allows

for maximum cooling capability. For maximum convective air flow in

an enclosed trunk, mount the amplifier in a vertical position or on a

vertical surface.

Cooling requirements are considerably relaxed when mounting inside

the passenger compartment, since the driver does not often allow

internal temperatures to reach the thermal shut-down point. Floor

mounting under the seat is usually sufficient, as long as there is at

least 1 inch (about 2 cm) above the amplifier’s cooling fins for

ventilation.

To mount the amplifier:

1 Select a suitable location that is convenient for mounting, is

accessible for wiring, and has adequate room for air circulation

and cooling.

2 Use the amplifier as a template to mark the mounting holes.

3 Drill the four mounting holes.

4 Secure the amplifier using the screws provided.

Connecting the power

We recommend 4 gauge (SL-2000D/2600D/3400D) wire (thicker if

planning for additional amplifiers) for both the power and the ground

wires. We recommend 12 gauge for the remote turn-on wire. Both

types are available at most mobile audio dealers or installation shops.

Caution

Use extreme caution while preparing to drill holes. Carefully

inspect underneath the surface before drilling.

Caution

Disconnect the vehicle’s battery before connecting to the

+12 Volts supply wiring.

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To connect the power:

1 Connect the ground wire to the vehicle’s chassis. To avoid ignition

noise caused by ground loops, the amplifier must be grounded to

a clean, bare, metal surface of the vehicle’s chassis.

2 Connect the +12 volt (fused) constant power cable to the battery’s

positive (+) terminal.

Because of the amplifier’s power requirements, this connection

should be made directly to the battery’s positive (+) terminal. For

safety, install an in-line fuse holder (not included) as close to the

battery’s positive (+) terminal as possible. The fuse should have

an ampere rating that does not exceed the total value of fuses in

the amplifier.

3 Connect the remote turn-on input to the power antenna output of

your car stereo. This amplifier is turned on whenever the vehicle’s

stereo is turned on.

Note

Ground wire should not be more than three feet

(one meter) long.

Note

If your radio does not have a +12 volt output lead when the

radio is turned on, the REM terminal on the amplifier can be

connected to the vehicle’s accessory circuit that is live when

the ignition key is on.

Warning

Thoroughly investigate the layout of your vehicle before

drilling or cutting any holes. Take extra precautions when

working near tanks, lines, hydraulic lines, and electrical

wiring. Don’t mount this system so that the wire connections

are unprotected or are subject to pinching or damage from

nearby objects.

The +12 volt DC power wire must be fused at the battery

positive (+) terminal connection. Before making or breaking

power connections at this system’s power terminals,

disconnect the +12V wire at the battery end.

Make sure that your stereo and other audio equipment is

turned off while connecting the input jacks and speaker

terminals of your amplifier.

If you need to replace the power fuse, replace it only with a

fuse identical to that supplied with the system. Using a fuse

of a different type or rating may result in damage to this

system, which isn’t covered by the warranty.

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Connecting the speakers

Single-amplifier system

Front view

Rear view

To inputs of satellite

amplifier system

From outputs of

source device

Woofer

Ground

To remote turn-on

from source device

Capacitor

Distribution

block

Battery

In-line fuse holder

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Bridging two amplifiers

Using your amplifier

Turning on the amplifier

The amplifier automatically turns on a few seconds after you turn your

vehicle’s ignition switch to ACC or ON or turn on your sound system,

depending upon how you wired the system. The POWER indicator on

the top of the amplifier turns on when the amplifier is on.

Note

Your amplifier requires 90 amps or more of power from your

vehicle’s battery during operation. To protect your battery

from discharging to the point that you cannot start your

vehicle, do not operate the amplifier unless your vehicle is

running.

Master amp

Slave amp

Bridged switch:

Master position

Bridged switch:

Slave position

Speaker

impedence:

2

Ω

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Adjusting the audio level by ear

For best performance, you must match the amplifier’s input sensitivity

to your source’s maximum output level (also called “gain matching”).

The LEVEL (gain) control located on the side of the amplifier is

designed to do this. It is not a volume control. It adjusts the incoming

signal level so that the source device and the amplifier reach

maximum output at the same time. This ensures that maximum

system volume is achieved with minimal distortion.

To adjust the audio level:

1 Turn the LEVEL (gain) control fully counterclockwise to MIN.

2 Play full-frequency music that has continuously high levels

(FM pop music is a good choice).

3 Turn up the source device’s volume control until just before you

hear the source device’s distortion, or at 90% of full output

(whichever comes first).

4 Slowly turn the LEVEL (gain) control clockwise until just before

you hear amplifier or speaker distortion, or until you reach a

maximum comfortable listening level (whichever comes first).

5 Turn the source device’s volume control back down to a

comfortable listening level.

Adjusting bass boost

Warning

High-powered audio systems in a vehicle are capable of

generating “live concert” levels of sound pressure.

Continued exposure to excessively high volume sound

levels may cause hearing loss or damage. Operation of a

motor vehicle while listening to audio equipment at high

volume levels may impair your ability to hear external

sounds such as horns, warning signals, or emergency

vehicles, which could create a traffic hazard.

+18 dB

@45 Hz

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The BASS BOOST control raises the amplifier output up to 18 dB at

frequencies tightly centered around 45 Hz. This “bump” can have a

dramatic effect on the bass system’s apparent volume. Use caution

when adjusting this control, as subwoofer damage may result if the

subwoofer begins to distort. When you exceed the subwoofer’s

capabilities, the distortion will be obvious.

To adjust bass boost:

1 Rotate the BASS BOOST control counter-clockwise until it points

at 0. Use a screwdriver to adjust the BASS BOOST control on the

amplifier, or adjust the remote BASS BOOST control by hand.

2 Play some music, and adjust the source device’s volume and the

amplifier’s LEVEL (gain) control to a comfortable listening level.

3 Slowly rotate the BASS BOOST control clockwise until it sounds

the way you want.

Troubleshooting

Caution

Adjusting the bass boost should be done with caution, so

that the woofer cone throw’s maximum excursion is not

reached. Adjust to the woofer’s best performance level (best

bass performance where no distortion is present), then

reduce the bass boost slightly.

Symptom Cause Solution

No sound. If the PWR LED is off,

fuses may be blown,

remote lead may be

disconnected, source

leads may be

disconnected, gain

control may be set too

high or low, or source

device’s volume may be

set too low.

Check fuses in amplifier

and on power lead. Make

sure the remote lead is

connected. Check source

signal leads. Check gain

control. Check the source

device’s volume level.

If the Protect LED is on,

there may be a speaker

short circuit, or the

amplifier may have

overheated.

Check for speaker short

circuits. Make sure the

amplifier is not

overheating.

Amplifier is not turning

on.

No power is available to

the amplifier.

Check the power wire or

connections.

No power to remote wire

with the source device

on.

Check connections to the

source device. Check

fuses and replace if

necessary.

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Specifications

No sound in one channel. Speaker short circuits,

disconnected speaker

cables.

Check speaker leads for

short circuits or

disconnected cables.

Reverse the LEFT and

RIGHT RCA inputs to

determine if the loss is

occurring before the

amplifier.

Amplifier turns off at

medium or high volumes.

Mismatch with speaker

load impedance.

Check speaker load

impedance. Make sure

that you have followed

correct speaker load

impedance

recommendations. (If you

used an ohm meter to

check speaker

resistance, remember

that DC resistance and

AC impedance may not

be the same.)

Protect LED is on. Overheated amplifier. Turn source device’s

volume down. Relocate

the amplifier to a better

ventilated place.

Speaker cable short

circuit.

Separate all speaker

wires, and make sure

they are insulated.

4 Ω 150W × 1 channel, @1% THD

2

Ω 225W × 1 channel, @1% THD

1

Ω 400W × 1 channel, @1% THD

Signal-to-noise ratio 100 dB

Frequency response 15 Hz ~ 150 Hz

Variable low pass 50 Hz ~ 150 Hz

Variable subsonic 15 Hz ~ 40 Hz

Variable bass boost 0 ~ +18 dB

Phase control 0° ~ 180°

Input sensitivity 200 mV to 8 V

Input impedance 10K

Ω

Line output

impedance

100 Ω

Symptom Cause Solution

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Legal notices

FCC Part 15

This device complies with Part 15 of the FCC Rules. Operation of this product is

subject to the following two conditions: (1) this device may not cause harmful

interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

FCC warning

Changes or modifications not expressly approved by the party responsible for

compliance with the FCC Rules could void the user’s authority to operate this

equipment.

RSS 310 statement

To reduce potential radio interference to other users, the antenna type and its gain

should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not

more than that permitted for successful communication.

Copyright

Services, Inc. Other brands and product names are trademarks or registered

trademarks of their respective holders. Specifications and features are subject to

change without notice or obligation.

For service and support call (877) 467-4289.

Dimensions 10.31 × 2.75 × 9.84 inches

(261.9 × 69.9 × 249.9 mm)

Fuse rating 25A (2)

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Warranty

90-day limited warranty

Insignia Products (“Insignia”) warrants to you, the original purchaser of this new

NS-A1200 (“Product”), that the Product shall be free of defects in the original

manufacture of the material or workmanship for a period of 90 days from the date of

your purchase of the Product (“Warranty Period”). This Product must be purchased

from an authorized dealer of Insignia brand products and packaged with this warranty

statement. This warranty does not cover refurbished Product. If you notify Insignia

during the Warranty Period of a defect covered by this warranty that requires service,

terms of this warranty apply.

How long does the coverage last?

The Warranty Period lasts for 90 days from the date you purchased the Product. The

purchase date is printed on the receipt you received with the Product.

What does this warranty cover?

During the Warranty Period, if the original manufacture of the material or workmanship

of the Product is determined to be defective by an authorized Insignia repair center or

store personnel, Insignia will (at its sole option): (1) repair the Product with new or

rebuilt parts; or (2) replace the Product at no charge with new or rebuilt comparable

products or parts. Products and parts replaced under this warranty become the

property of Insignia and are not returned to you. If service of Products or parts are

required after the Warranty Period expires, you must pay all labor and parts charges.

This warranty lasts as long as you own your Insignia Product during the Warranty

Period. Warranty coverage terminates if you sell or otherwise transfer the Product.

How to obtain warranty service?

If you purchased the Product at a retail store location, take your original receipt and the

Product to the store you purchased it from. Make sure that you place the Product in its

original packaging or packaging that provides the same amount of protection as the

original packaging. If you purchased the Product from an online web site, mail your

original receipt and the Product to the address listed on the web site. Make sure that

you put the Product in its original packaging or packaging that provides the same

amount of protection as the original packaging.

Where is the warranty valid?

This warranty is valid only to the original purchaser of the product in the United States

and Canada.

What does the warranty not cover?

This warranty does not cover:

• Customer instruction

• Installation

• Set up adjustments

• Cosmetic damage

• Damage due to acts of God, such as lightning strikes

• Accident

•Misuse

•Abuse

• Negligence

• Commercial use

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• Modification of any part of the Product, including the antenna

This warranty also does not cover:

• Damage due to incorrect operation or maintenance

• Connection to an incorrect voltage supply

• Attempted repair by anyone other than a facility authorized by Insignia to service

the Product

• Products sold as is or with all faults

• Consumables, such as fuses or batteries

• Products where the factory applied serial number has been altered or removed

REPAIR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS YOUR

EXCLUSIVE REMEDY. INSIGNIA SHALL NOT BE LIABLE FOR ANY INCIDENTAL

OR CONSEQUENTIAL DAMAGES FOR THE BREACH OF ANY EXPRESS OR

IMPLIED WARRANTY ON THIS PRODUCT, INCLUDING, BUT NOT LIMITED TO,

LOST DATA, LOSS OF USE OF YOUR PRODUCT, LOST BUSINESS OR LOST

PROFITS. INSIGNIA PRODUCTS MAKES NO OTHER EXPRESS WARRANTIES

WITH RESPECT TO THE PRODUCT, ALL EXPRESS AND IMPLIED WARRANTIES

FOR THE PRODUCT, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED

WARRANTIES OF AND CONDITIONS OF MERCHANTABILITY AND FITNESS FOR

A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE WARRANTY

PERIOD SET FORTH ABOVE AND NO WARRANTIES, WHETHER EXPRESS OR

IMPLIED, WILL APPLY AFTER THE WARRANTY PERIOD. SOME STATES,

PROVINCES AND JURISDICTIONS DO NOT ALLOW LIMITATIONS ON HOW LONG

AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO

YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY

ALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE OR

PROVINCE TO PROVINCE.

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