JBL GTQ 190 Скачать руководство пользователя страница 5

05

Owner’

s Manual

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Warnings and Tips

Installation Precautions

Before beginning the installation of the
amplifier read the following points
carefully. Failure to heed these warnings
could result in personal injury or damage
to property.
• The unit should be installed only in
vehicles that have 12-volt negative
ground electrical systems. Connection to
other types of electrical systems may
damage the amplifier and/or the vehicle’s
electrical system.
• Before beginning the installation,
disconnect the negative (ground) cable
from the vehicle’s battery. This will
prevent accidental short circuits while
working on the installation. Reconnect
the cable only after the installation is
complete and the wiring has been
carefully checked to be sure there are no
exposed wires or short circuits and
everything is properly and securely
connected. Note: If the vehicle’s radio
features a code-type security system,
make certain you know the code before
disconnecting the battery!
• Work in an area that is well-ventilated.
• Wear eye protection whenever cutting,
drilling or filing any parts of the vehicle.
• Wear ear protection when using high-
speed drills, saws, sanders, or grinders.
We want you to be able to enjoy the

system once it is installed.
• Before cutting or drilling any holes in
the vehicle, inspect the area carefully to
be sure there are no electrical wires,
hydraulic brake lines, fuel lines, or fuel
tanks that may be damaged while doing
so. Such components may be hidden
within double-walled panels or structural
members of the vehicle, so be extremely
cautious.
• Do not bypass or modify the fuses on
the chassis of the amplifier. Do not
replace a fuse with one rated for higher
current levels. Doing so could result in
damage to the amplifier or to the
vehicle’s electrical system. Repeated
blowing of the power supply fuse
indicates a problem within the amplifier
or improper installation.
• An additional power supply fuse (not
included) must be located as close as
possible to the battery on the +12V wire
to minimize the chance of electrical
system damage or fire. Do not ignore this
precaution! If the heavy gauge power
wire required with the GTQ amplifier ever
becomes shorted to ground, the wire will
get extremely hot, causing the insulation
to burn off and will likely cause a fire if
not properly fused.

GTQ 190 - English  06/03/98 11:49  Side 5

Содержание GTQ 190

Страница 1: ...ry Wire 7 Ground Wire 8 Remote Connection 8 Speaker Connections 8 Audio Input Connections 9 Line Level Input Connections 9 Speaker Level Input Connections 10 Simultaneous Speaker Level Line Level 10 M...

Страница 2: ...able High Pass and Low Pass Crossovers 2 Pairs of Preamp Outputs No Current Limiting Oversized Floating Rail MOSFET Switch Mode Power Supply Common Sense 2 Way Turn On with Remote Out Capability to Tu...

Страница 3: ...the Group 2 Input as desired 11 Set the mode switches to Stereo Left Right or Left Input Only operation for each group 12 Double check your switch settings Reconnect the negative battery cable Note In...

Страница 4: ...ection when you wish to add CD capability to a factory cassette stereo Switching from one source to the other is as simple as turning the desired source on and turning the undesired one off no additio...

Страница 5: ...protection whenever cutting drilling or filing any parts of the vehicle Wear ear protection when using high speed drills saws sanders or grinders We want you to be able to enjoy the system once it is...

Страница 6: ...ilter for use with satellite speakers or tweeters on an amplifier group 11 Mode Switches These switches are used to set the input mode for both preamp and speaker level inputs Set the switch to ST ere...

Страница 7: ...lastic tubing to protect the wires whenever they are run through sheet metal panels or are placed where they might be pulled or damaged Fuse Fuse Fuse Power Supply Connections The power input and remo...

Страница 8: ...n If the head unit has a 12 volt automatic antenna or amplifier remote activation wire connect it to the REM IN OUT connector on the GTQ amplifier When the amplifier is turned on there is a time delay...

Страница 9: ...ire Keep the wire as short as possible Do not splice together shielded wires Do not run audio signal wires alongside power wires for an extended length either for the amp or the vehicle s standard pow...

Страница 10: ...The Universal Interface circuitry of the GTQ amplifier will isolate the inputs from each other while mixing both signals Therefore switching from one source to the other is as simple as turning the un...

Страница 11: ...nt Characteristics Power Consumption Operating the GTQ amplifier when the vehicle is not running may discharge the battery At high volumes the amplifier can draw as much as 60 amps for brief bursts Af...

Страница 12: ...L GR 1 GR 2 L R R L C C GR 1 GR 2 R L L R L R L R L R L R L R L R L R L L R L R L B A R L L R GR 1 L GR 1 R GR 2 R GR 2 L GR 2 R GR 1 GR 2 L R GR 1 L GR 1 R GR 2 L c GTQ 190 English 06 03 98 11 50 Sid...

Страница 13: ...noise generally appearing as hiss is usually the result of improper input gain sensitivity adjustment With the proper setting your JBL amplifier will not create this noise but will amplify any noise...

Страница 14: ...Start at the head unit and work back checking each component individually Power wires carrying high currents may induce noise in nearby signal wires Make sure that power wires and signal wires do not...

Страница 15: ...Power Line Level Input Impedance 10k Ohms Speaker Level Input Impedance 15 Ohm Speaker Level Input Sensitivity 200mV 8V RMS Preamp Output Level Preamp Input V out V in Speaker Input V out 1 2 V in Mi...

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