JBL Grand Touring GTO75.2 II Manual

JBL Modtager Grand Touring GTO75.2 II

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Side 1/8

car audio

power amplifier

owner’s manual

THANK YOU

for purchasing a JBL Grand Touring®Series II amplifier.

In order that we may better serve you should you

require warranty service for your new amplifier, please

retain your original purchase receipt and return the

enclosed warranty registration card.

GRAND

TOURING®

SERIES II

gto75.2 II

gto75.4 II

gto755.6 II

gto301.1 II

gto601.1 II

gto1201.1 II

INSTALLATION

WARNING: Playing loud music in an

automobile can hinder your ability to hear

traffic and permanently damage your

hearing. We recommend listening at low or

moderate levels while driving your car. JBL

accepts no liability for hearing loss, bodily

injury or property damage resulting from

the use or misuse of this product.

IMPORTANT: To get the best per-

formance from your JBL Grand Touring®

Series II amplifiers, we strongly recom-

mend that installation be entrusted to a

qualified professional. Although these

instructions explain how to install GTO

amplifiers in a general sense, they do

not show specific installation methods

that may be required for your particular

vehicle. If you do not have the necessary

tools or experience, do not attempt the

installation yourself. Instead, please ask

your authorized JBL car audio dealer

about professional installation.

INSTALLATION

WARNINGS AND TIPS

• Always wear protective eyewear when

using tools.

• Turn off the audio system and other

electrical devices before you start.

Disconnect the (–) negative lead from

your vehicle’s battery.

• Check clearances on both sides of

a planned mounting surface before

drilling any holes or installing any

screws. Remember that the screws

can extend behind the surface.

• At the installation sites, locate and

make a note of all fuel lines, hydraulic

brake lines, vacuum lines and electrical

wiring. Use extreme caution when cut-

ting or drilling in and around these areas.

• Before drilling or cutting holes, use a

utility knife to remove unwanted fabric

or vinyl to keep material from snagging

in a drill bit.

• When routing cables, keep input-signal

cables away from power cables and

speaker wires.

• When making connections, make

certain they are secure and properly

insulated.

• If the amplifier’s fuse must be replaced,

use only the same type and rating as

that of the original. Do not substitute

another kind.

CHOOSING A LOCATION

AND MOUNTING THE

AMPLIFIER

Choose a mounting location in the trunk

or cargo area where the amplifier will not

be damaged by shifting cargo. Amplifier

cooling is essential for proper amplifier

operation. If the amplifier is to be installed

in an enclosed space, make sure there is

sufficient air circulation for the amplifier

to cool itself.

When mounting the amplifier under a

seat, ensure that it is clear of all moving

seat parts and does not affect the seat

adjustments. Mount the amplifier so it

is not damaged by the feet of backseat

passengers. Make sure that the amplifier

is mounted securely using nuts and bolts

or the supplied mounting screws.

Mount the amplifier so that it remains

dry – never mount an amplifier outside

the vehicle or in the engine compartment.

POWER CONNECTIONS

The GTO amplifiers are capable of

delivering extremely high power levels,

and require a heavy-duty and reliable

connection to the vehicle’s electrical system

in order to perform optimally. See Figure 1

for connection location. Please adhere to

the following instructions carefully:

Ground Connection

Connect the amplifier’s Ground (GND)

terminal to a solid point on the vehicle’s

metal chassis, as close to the amplifier

as possible. Refer to the chart below to

determine minimum wire-gauge size. Scrape

away any paint from this location; use a star-

type lock washer to secure the connection.

Power Connection

Connect a wire (see chart at right for

appropriate gauge) directly to the vehicle’s

positive battery terminal, and install an

appropriate fuse holder within 18" of the

battery terminal. Do not install the fuse at

this time. Route the wire to the amplifier’s

location, and connect it to the amplifier’s

Positive (+12V) terminal. Be sure to use

appropriate grommets whenever routing

wires through the firewall or other sheet

metal. Failure to adequately protect the

positive wire from potential damage may

result in a vehicle fire.When you are done

routing and connecting this wire, you may

install the fuse at the battery.

Remote Connection

Connect the amplifier’s Remote (REM)

terminal to the source unit’s Remote Turn-

On lead using a minimum of 18-gauge wire.

NOTE: When using the speaker level

inputs, connect the remote (REM) terminal

to the source unit. If your source unit does

not have a remote turn-on connection,

connect the amplifier’s (REM) terminal to

the vehicle’s accessory circuit.

Speaker Connections

Refer to the application guides on the

pages that follow. Speaker connections

should be made using a minimum of

16-gauge wire.

High-Level Input Connections

The GTO75.2 , GTO75.4 and GTO755.6II II II

amplifiers are equipped with speaker-level

inputs that allow you to add an amplifier

to head units that do not have RCA line

outputs. The speaker outputs for the

source unit should be connected to the

amplifier using the supplied connector

(square four-wire plug). Remember to

check for proper polarity. The GTO301.1II,

GTO601.1II and GTO1201.1 amplifiers are II

not equipped with high-level inputs.

NOTE: When using the high-level inputs,

the AUX outputs can be used to pass a

line-level signal to another amplifier.

Wire Gauge Chart

Amplifier Maximum Minimum

Model Current Draw Wire Gauge

GTO75.2II 34A #8 AWG

GTO75.4 II 85A #8 AWG

GTO755.6II 87A #8 AWG

GTO301.1II 40A #8 AWG

GTO601.1II 69A #6 AWG

GTO1201.1II 115A #4 AWG

These recommendations assume 7' – 10'

wire runs. If your installation differs mark-

edly, you will need to adjust the wire

gauge accordingly.

IMPORTANT NOTE: If you are planning

to use optional neon tubes, install them

before making any electrical connections

to the amplifier (refer to“Installing Neon

Tubes” on page 6).

GTO75.2

II

Figure 1. Terminal connection end plate.

Produkt Specifikationer

Mærke:	JBL
Kategori:	Modtager
Model:	Grand Touring GTO75.2 II

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