Radio Shack XL-110 User Manual
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XL-110 High Power
Stereo Amplifier
Owner’s Manual
Please read before using this equipment.
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ˆ
Contents
Features .................................................................................................................................. 3
Preparation ............................................................................................................................. 4
Supplied Hardware ............................................................................................................ 4
Before You Begin the Installation ...................................................................................... 4
Choosing a Mounting Location .................................................................................. 4
Preparing the Mounting Area ..................................................................................... 5
Routing Cables and Wires ......................................................................................... 5
Installation Order ........................................................... ..................................... ............... 5
Before You Make the Connections ................................................................................... 5
Connecting Ground and Switched/Primary Power ............................................................ 6
Connecting Inputs ................................................ .................................................................. 8
Low-Level Inputs ............................................................................................................... 8
High-Level (Speaker Wire) Inputs ..................................................................................... 9
Four Speaker Outputs ............................................................................................. 10
Two Speaker Outputs .............................................................................................. 11
Connecting Speakers ...................................................................................................... 12
Preparing the Speaker Wires ................................................................................... 12
Connecting Two Speakers ....................................................................................... 13
Connecting a Subwoofer ......................................................................................... 13
Completing the Installation ................................................................................................. 14
Testing the Connections ................................................................................................. 14
Mounting the Amplifier .................................................................................................... 14
Operation .............................................................................................................................. 15
Turning On the Amplifier ................................................................................................. 15
Adjusting the Audio Level ................................................................................................ 15
Adjusting Frequency Crossover ...................................................................................... 16
Troubleshooting ................................................................................................................... 16
Care .................................................................................................................................. ..... 18
Replacing a Fuse ..................................................... .. ... .................................................. 18
Replacing the SFE-Type Fuse ................................................................................. 18
Replacing the Blade-Type Fuse ............................................................................... 18
Specifications ....................................................................................................................... 19
©
2000 Tandy Corporation.
RadioShack and RadioShack.com are trademarks used by Tandy Corporation.
2
All Rights Reserved.
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ˆ
Features
Your RadioShack High-Power Stereo Amp lifi er produces a total of 110 watts to give added punch and power to your vehicle’s
existing auto sound system.
The amplifier produces up to 55 watts per
channel of clean, powerful sound at all audio
frequencies with minimum distortion. You
can connect your auto sound system’s lowlevel or speaker-level outputs to this amplifier.
Its features include:
14K Gold-Plated Noise-Isolated Low-Level Input Jacks
(preamplifier) signal inputs to match your
auto sound syst em’s output for the best
high-fidelity performance.
14K Gold-Plated Speaker Terminals
signed for low impedance, high conductivity,
and minimum corrosion, to provide the highest signal transfer and lowest sound distortion.
Input Level Control
level of the audio signals that enter the amplifier.
Automatic Power Switching
matically turn the amplifier on or off when
you turn your auto sound system on or off
(depending on how you hook up the amplifier).
— let you connect low-level
— de-
— lets you adjust the
— can auto-
Hz. This lets you set up the amplifier so you
can connect a subwoofer.
Short Circuit Protection
plifier’s sound if any output channel shorts,
alerting you to turn off the auto sound system.
Auto-Off
rarily 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.
Protection Indicator
shuts itself down.
— protects the amplifier by tempo-
— distorts the am-
— lights if the amplifier
THE FCC WANTS YOU TO
KNOW
Your amplifier might cause TV or radio interference even when it is operating properly.
To determine whether your amplifier is causing the interference, turn off your amplifier. If
the interference goes away, your amplifier is
causing it. Try to eliminate the interference
by:
• Moving your amplifier away from the
receiver
• Contacting your local RadioShack store
for help
Mute Turn On Circuit —
thump you hear when you turn on some amplifiers.
Power Indicator
supplied to the amplifier.
Crossover Frequency Circuit
adjust the crossover frequency from 45−400
— lights when power is
eliminates the
— lets you
Features
3
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ˆ
Preparation
SUPPLIED HARDWARE
Your amplifier comes with the following items. Be sure you locate everything listed before yo u
store or dispose of the packing materials.
Power Wire (Red) (1)
Ground Wire (Black) (1)
Remote Wire (Blue/White) (1)
4-Pin Connector with Wire (1)
Sheet Metal Screws (4)
BEFORE YOU BEGIN THE
INSTALLATION
Before you install your amplifier, read all the
instructions in this owner’s manual. You
should be able to answer all of the se questions about your vehicle’s electrical and auto
sound systems.
• Does my vehicle have an auto sound
system, such as a car stereo or CD
player, already installed? (You must
have an existing auto sound system to
use this amplifier.)
• How do I connect a wire to the fuse box?
• Which of the auto sound system’s wires
is the power wire?
• Which of the auto sound system’s terminals are low-level outputs and which are
high-level (speaker) outputs?
Flat Washers (4)
Lock Washers (4)
Also, be aware that installation in your vehicle might require cutting or modifying your
vehicle.
Twist-On
Terminal
Connectors (5)
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 component s
• allows enough space around the cooling
fins for proper airflow and cooling
• lets you easily see the amplifier’s
POWER and PROTECTION indicators
4
Preparation
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Warning:
is on. Do not touch the amplifier or place
flammable objects near it while it is on.
The amplifier gets very hot while it
Preparing the Mounting Area
In addition to the supplied hardware, you
need these materials:
• an adapter harness
• additional wire
• shielded audio cables
• 16- or 18-gauge marked or color-coded
wire.
Confirm that the amplifier fits in your vehicle’s available mounting area. This amplifier
requires a 5
113/4-inch deep (13.9 × 23.5 × 29.8 cm)
mounting area.
1
/2-inch high by 93/4-inch wide by
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
sections in this owner’s manual in order.
First, make all the connections temporarily
by connecting the amplifier to:
1
Ground and power
2
Your auto sound system’s outputs
Then test the connections. When you confirm that everything works as expected, disconnect the amplifier, mount it in your
vehicle, and reconnect it.
Caution:
in the order shown, damage to the amplifier
and your auto sound system is possible if
any wire connections are made incorrectly.
Note:
you plan to connect with the name of the terminal you will connect it to.
If you do not make the connections
For easier installation, mark each wire
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
auto sound system.
Important:
• Do not cut any of the supplied wires. If
you cut any wire, you cannot obtain a
refund or exchange on this product.
will
However, RadioShack
ranty service if you cut a wire and find
the product is defective.
• If the connectors on your vehicle’s auto
sound system are not compatible with
the amplifier’s connectors, you might
need an adapter harness to complete
the connections. Your local RadioShack
store has adapter harnesses for most
vehicles.
You might need additional wire, depending
on your individual auto sound system, to
complete the connections. Your local RadioShack store has a variety of wire and wire
accessories.
provide war-
3
Your speakers
Preparation
5
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Cautions:
per channel). Each speaker must have
an impedance of at least 4 ohms. Your
• For added safety and to protect your
amplifier and auto sound system, dis-
local RadioShack store has a large variety of speakers.
connect the cable from your vehicle’s
–
negative (
begin.
) battery terminal before you
To make it easier to gauge wire length and
connect the amplifier, temporarily place the
amplifier as close as possible to the selected
• Be sure your speakers can handle as
mounting location.
much as 110 watts of power (55 watts
CONNECTING GROUND AND SWITCHED/PRIMARY POWER
Blue/White
AMP Remote Turn On
Black
Vehicle’s Battery
Chassis
Ground
Fuse
Holder
Red
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 nega-
–
) battery terminal.
tive (
2. Use a screwdriver to connect the spade
end of the supplied black ground wire to
GND
the amplifier’s
(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
6
Preparation
Switched Power Lead
Auto Sound System
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
REM
the amplifier’s
(remote power) ter-
minal.
If your auto sound system has a
5.
switched power lead
, connect the blue/
white wire’s other end to your auto
sound system’s switched power lead
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