Optimus XL-50 Bedienungsanleitung

XL-50 Trunk-Mount Stereo Amplifier

(120-2013) Features Faxback Doc. # 40181

Your Optimus XL-50 High-Power Trunk-Mount Stereo Amplifier produces a

total of 50 watts to give added punch and power to your vehicle's existing

autosound system.

The amplifier produces up to 25 watts per channel of clean, powerful sound

at all audio frequencies with minimum distortion. You can connect your

autosound system's low-level or speaker-level outputs to this amplifier.

Its features include:

14K Gold-Plated Speaker Terminals - designed for low impedance, high

conductivity, and minimum corrosion, to provide the highest

signal transfer and lowest sound distortion.

High- or Low-Level Input Signal-Compatible - accepts either high-level

(speaker) or low-level (preamplifier) input signals, to

match your stereo system's output for the best

performance.

Input Level Control - lets you adjust the level of the audio signals that

enter the amplifier.

Automatic Power Switching - can automatically turn the amplifier on or off

when you turn your autosound system on or off

(depending on how you hook up the amplifier).

Power Indicator - lights when power is supplied to the amplifier.

Short Circuit Protection - distorts the amplifier's sound if any output

channel shorts, alerting you to turn off the

autosound system.

Auto-Off - protects the amplifier by temporarily shutting down if it gets

too hot, an output channel shorts, or it detects an input

overload. The amplifier restarts automatically when it cools or

the problem is corrected.

XL-50 Trunk-Mount Stereo Amplifier

(120-2013) Preparation Faxback Doc. # 40182

SUPPLIED HARDWARE

Your amplifier comes with the following items. Be sure you locate

everything before you store or dispose of the packing materials.

Fuse 7.5A

Power Wire (Red) (1)

Ground Wire (Black) (1)

Remote Wire (Blue/White) (1)

4-Pin Connector with Wire (1)

Sheet Metal Screws (4)

Flat Washers (4)

Lock Washers (4)

Twist-On Terminal Connector (4)

BEFORE YOU BEGIN THE INSTALLATION

Before you install your amplifier, read all the instructions. And you

should be able to answer all of these questions about your vehicle's

electrical and autosound systems.

Does my vehicle have an autosound system, such as a car stereo or CD

player, already installed? (You must have an existing autosound system

to use this amplifier.)

How do I connect a wire to the fuse box?

Which of the autosound system's wires is the power wire?

Which of the autosound system's terminals are low-level outputs and which

are high-level (speaker) outputs?

Also, be aware that installation in your vehicle might require cutting or

modifying your vehicle.

Choosing a Mounting Location

A good location for mounting the amplifier is in your vehicle's trunk.

Wherever you decide to mount it, choose a mounting location that:

Does not interfere with the vehicle's operation.

Lets you drill mounting holes without damaging other vehicle components.

Allows enough space around the cooling fins for proper airflow and

cooling.

Lets you easily see the amplifier's POWER indicator.

Warning: The amplifier gets very hot while it is on. Do not touch the

amplifier or place flammable objects near it while it is on.

Preparing the Mounting Area

Before you mount the amplifier, make sure you have all the materials you

need, such as an adapter harness, additional wire, shielded audio cables,

and 16- or 18-gauge marked or color-coded wires.

Then confirm that the amplifier fits in your vehicle's available mounting

area. This amplifier requires a 5 1/2-inch high by 9 3/4-inch wide by

6-inch deep (13.9 x 23.5 x 15.3 cm) mounting area.

Routing Cables and Wires

Avoid routing the connection cables and any speaker wires near moving parts

or sharp edges. You can usually route wires and cables along the wiring

channel beneath the vehicle's door facings by carefully removing the

molding that holds the carpet in place. After routing the cables and wires,

replace the molding.

INSTALLATION ORDER

For trouble-free installation, simply follow the instructions in order.

First, make all the connections temporarily by connecting the amplifier to:

1. Ground and power.

2. Your autosound system's outputs.

3. Your speakers.

Then test the connections. When you confirm that everything works as

expected, disconnect the amplifier, mount it in your vehicle, and reconnect

it.

Caution: If you do not make the connections in the order shown, damage

to the amplifier and your autosound system is possible if any

wire connections are made incorrectly.

Note: For easier installation, mark each wire you plan to connect with the

name of the terminal you will connect it to.

BEFORE YOU MAKE THE CONNECTIONS

The supplied connection cables include all the lead wires you need to

connect the amplifier to ground, power, and your existing autosound system.

Important:

Do not cut these wires. If you cut any wire, you cannot obtain a refund

or exchange on this product. However, RadioShack will provide warranty

service if you cut a wire and find the product is defective.

If the connectors on your vehicle's autosound system are not compatible

with the amplifier's connectors, you might need an adapter harness to

complete the connections. RadioShack stores sell adapter harnesses for

most vehicles.

You might need additional wire, depending on your individual autosound

system, to complete the connections. Your local RadioShack store carries

a full line of wire and wire management accessories.

Cautions: For added safety and to protect your amplifier and autosound

system, disconnect the cable from your vehicle's negative (-)

battery terminal before you begin.

Be sure your speakers can handle as much as 50 watts of power

(25 watts per channel). Each speaker must have an impedance of

at least 4 ohms. Your local RadioShack store carries a full line

of speakers.

To make it easier to gauge wire length and connect the amplifier,

temporarily place the amplifier as close as possible to the selected

mounting location.

CONNECTING GROUND AND SWITCHED/PRIMARY POWER

Follow these steps to connect the amplifier to ground, switched power, and

primary power.

1. If you have not done so already, disconnect the cable from your

vehicle's negative (-) battery terminal.

2. Use a screwdriver to connect the spade end of the supplied black ground

wire to the amplifier's GND (ground) terminal.

3. Connect the black ground wire's other end to a chassis ground, such as

a metal bolt attached to a metal part of the vehicle's frame. Be sure

the bolt is not insulated from the chassis by a plastic part.

4. Use a screwdriver to connect the spade end of the supplied blue/white

wire to the amplifier's REM (remote power) terminal.

5. Connect the blue/white wire's other end to your autosound system's

switched power lead using one of the supplied twist-on terminal

connectors.

This connection turns on the amplifier when you turn on the autosound

system, and turns off the amplifier when you turn off the autosound system.

This prevents your vehicle's battery from being drained if you leave your

amplifier on when you turn your autosound system off.

If your autosound system does not have a switched power lead, connect the

blue/white wire's other end to a point in your vehicle's fuse block that

has power only when you turn on the ignition or turn the key to ACC.

This connection turns on the amplifier when you turn on the ignition or

turn the key to ACC, and turns off the amplifier when you turn off the

ignition. This prevents your vehicle's battery from being drained if you

leave your amplifier on when you turn your autosound system off.

6. Use a screwdriver to connect the spade end of the supplied red power

cable (with in-line fuse holder) to the amplifier's +12V terminal.

7. Connect the other end of the red power cable to your vehicle's positive

(+) battery terminal.

Caution: Due to the amplifier's high current requirement, you must connect

the red power cable's fused end directly to the vehicle's positive

(+) battery terminal or damage to your vehicle's wiring could

result.

Do not reconnect your vehicle's negative (-) battery cable yet.

CONNECTING INPUTS

Preparing the Speaker Wires

You can connect two or four speakers to the amplifier and your autosound

system.

Caution: You must connect a separate wire to each speaker terminal as

described in the following procedures. Do not use a common wire

or chassis ground for any speaker connection.

Notes:

We recommend you use 16- or 18-gauge marked or color-coded wires to help

you correctly connect the speakers to your amplifier.

Color-coded wires have a stripe running down one of the conductors or

different colored insulation for each conductor. Your local RadioShack

store has a wide selection of speaker wire to choose from.

For the maximum bass response and the best overall performance, keep

your speakers properly phased (connect + to + and - to -).

1. With the speakers placed in their approximate locations, run one wire

from each speaker to the amplifier.

2. Separate each wire's two conductors at both ends for a length of about

4 inches.

3. Strip the insulation from the ends of each conductor to expose 1/4 inch

of wire. Twist the ends to secure loose strands.

LOW-LEVEL INPUTS

You can connect your autosound system's low-level line out jacks to the

amplifier's LOW INPUT jacks.

If your autosound system does not have low-level line out jacks, see

"High-Level (Speaker Wire) Inputs" to connect your amplifier.

Note: For the best results, use shielded audio cables such as Cat. No.

# 42-2356 (not supplied).

1. Temporarily place the amplifier as close as possible to the selected

mounting location.

2. Connect one end of a shielded audio cable to the autosound system's

left line out jack.

3. Connect the other end of the cable to the amplifier's LOW INPUT LEFT

jack.

4. Repeat steps 2 and 3 to connect the autosound system's right line out

jack to the amplifier's LOW INPUT RIGHT jack.

HIGH-LEVEL (SPEAKER WIRE) INPUTS

If your autosound system does not have low-level line out jacks but has

only speaker outputs, connect your autosound system's speaker outputs to the

amplifier's HIGH INPUT jacks.

Note: A floating ground connection lets the amplifier provide more power

to each speaker, but requires that you connect a separate wire to

each speaker terminal. A common ground connection lets you use

fewer wires to connect the speakers to the amplifier, but reduces

the amount of power supplied to the speakers from the amplifier.

Use the supplied wire harness and the supplied twist-on terminal connectors

to make the appropriate connections.

CONNECTING SPEAKERS

1. Use a screwdriver to connect the left speaker's positive (+) wire to

the amplifier's SPEAKER L (+) terminal.

2. Use a screwdriver to connect the left speaker's negative (-) wire to

the amplifier's SPEAKER L (-) terminal.

3. Repeat steps 1-2 to connect the right speaker's positive (+) and

negative (-) wires to the amplifier's SPEAKER R (+) and SPEAKER R (-)

terminals.

COMPLETING THE INSTALLATION

Testing the Connections

Before you continue, make sure you have securely made all connections.

Then reconnect the cable to the vehicle's negative (-) battery terminal.

Turn on your vehicle's ignition and autosound system to confirm that the

amplifier and autosound system operate properly and that the speaker's

sound is not muffled. The amplifier turns on after a few seconds.

If you cannot quickly confirm whether the autosound system and amplifier

are working properly, turn off your vehicle's ignition and disconnect the

cable from your vehicle's negative (-) battery terminal. Then recheck

your connections.

After you test the autosound system and amplifier and verify that everything

is properly connected and working, follow the instructions in "Mounting

the Amplifier."

Mounting the Amplifier

Once you verify that the amplifier is connected properly, follow these

steps to mount it.

1. Disconnect the cable from the vehicle's negative (-) battery terminal.

2. To make mounting more convenient, temporarily disconnect the

amplifier's connections (ground, primary power, remote power, your

autosound system's input, and speakers).

Note: If you have not already done so, be sure to mark each wire with

the name of the terminal you will reconnect it to.

3. Using the mounting holes on the amplifier as a guide, mark the positions

for the mounting holes.

4. Drill 9/64-inch (3.57 mm) holes at the marked locations, being careful

not to damage anything behind the mounting surface.

5. Secure the amplifier to the mounting surface using the supplied sheet

metal screws and washers.

6. Reconnect the wiring.

7. Reconnect the cable to the vehicle battery's negative (-) terminal.

8. Reset your vehicle's clock, your autosound system's tuner memory, and

other timer/memory devices.

XL-50 Trunk-Mount Stereo Amplifier

(120-2013) Operation Faxback Doc. # 40183

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 autosound system,

depending on how you wired the system. The POWER indicator on the side of

the amplifier lights when the amplifier is on.

Important: Your amplifier requires 5 amps or more of power from your

vehicle's battery during operation. To protect you battery

from discharging, do not operate the amplifier unless your

vehicle is running.

Note: Your amplifier temporarily shuts down if it gets too hot, then

restarts automatically once it cools.

Adjusting the Audio Level

For the best performance, you must set LEVEL (MIN/MAX) on the amplifier to

adjust the level of the audio signals that enter the amplifier.

1. Use a screwdriver to turn LEVEL (MIN/MAX) fully counterclockwise to

MIN.

2. Turn up the autosound system's volume control to about one-third of its

full range.

3. Adjust LEVEL (MIN/MAX) to a comfortable listening level.

4. Turn up the autosound system's volume control until the sound begins to

distort. Then immediately turn the volume down to a point just before

where the distortion just before where the distortion began.

Caution: Never turn up the autosound system's volume control more than

needed to adjust the audio level, or more than two-thirds of

its maximum volume.

5. Adjust LEVEL (MIN/MAX) until the sound is at the maximum level you want

the amplifier to produce.

6. Adjust the autosound system's volume control to a comfortable listening

level.

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