JBL GTQ190 Manual

JBL Modtager GTQ190

Læs gratis den danske manual til JBL GTQ190 (15 sider) i kategorien Modtager. Denne vejledning er vurderet som hjælpsom af 12 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 6.5 anmeldelser. Har du et spørgsmål om JBL GTQ190, eller vil du spørge andre brugere om produktet?

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Side 1/15

Owner’s Manual

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

About Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

System Design Using the GTQ190 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Speaker Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Signal Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Other Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Warnings and Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Mounting Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation and Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Controls and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Mounting Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Power Supply Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

+12V Battery 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

Mode Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Adjusting the Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Other Important Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Add-On and Upgrade Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

In Case of Difficulty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Solving Noise Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

System Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Vehicle Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Owner’s Warranty Information

Model Number

Serial Number

Dealer Name

City, State, Zip

Sales Receipt Number

Date of Purchase

GTQ 190 - English 06/03/98 11:49 Side 1

Introduction

Thanks for purchasing your new GT

series automotive multi-channel ampli-

fier. Your GT series amplifier will easily

connect to virtually any car audio

system, whether it is factory installed or

purchased separately. The GTQ190

includes an abundance of unique

features which are described in this

manual. The flexible design of its built-in

crossover circuitry allows elaborate

systems to be built more simply than

with conventional components. For

optimum performance, the power

amplifier circuitry is a fully-discrete

design notable for its low distortion and

unusually clean and clear sound quality.

In addition to conventional preamp-level

inputs, the GTQ190 features JBL’s

Universal Interface, which facilitates

simple connection to factory radios with

the low distortion that is usually only

associated with preamp-level

connection. With the Universal Interface,

a factory radio can either be used as the

main music source or simultaneously

combined with a CD player or changer

that has volume-control capability. By

providing this two-unit direct connection,

Universal Interface circuitry eliminates

the need for an FM modulator to

interface a CD player to factory radios,

improving the fidelity of digital playback.

In addition, when using a high-powered

(BTL) radio through the speaker-level

inputs, Common Sense turn-on circuitry

senses the common-mode voltage pres-

ent on the radio’s speaker wires, turning

the amplifier on without an additional

remote wire.

Also, the built-in active crossover

provides either full-range, high-pass or

low-pass operation. This lets your GT

series amplifier power either subwoofer

or component speakers in a bi-amplified

system, or conventional full-range

speakers in simpler systems.

The GTQ190 also includes preamp-level

outputs which provide a full-range signal

to drive additional amplifiers. This lets

you build systems of virtually any design

without requiring a separate electronic

crossover.

Features

• 4-, 3-, or 2-Channel Operation

• Simultaneous Stereo + Mono

Operation

• 2 Built-In Independent 18dB/Octave

Frequency Selectable 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 Turn On Other

Amplifiers or Signal Processors

• Switchable Bass Boost

• “Stealth Remote” Silent Turn-On

Circuitry with Power-On Indicator

• Balanced Speaker-Level Inputs

• Mute Input – Accepts Standard Noise

Gate Input to Silence the Amp During No

Music Conditions

• 2 Continuously Adjustable Gain

Controls

• Capable of Single-Ended Operation into

2-Ohm Loads

• Fully Complementary, Direct-Coupled,

Discrete Power Amplifier Circuitry

• Gold-Plated RCA Input Connectors

• Gold-Plated Power and Speaker

Connectors

• Third Order (18dB per Octave)

Capacitive/Inductive Power-Supply

Filtering

• Independent Input Mode Switching for

Each Group of Channels

• Made in USA

About Installation

Although the GTQ190 is designed to

make installation as easy as possible, this

is an extremely sophisticated product

that requires proper installation and

setup to realize its full performance

potential. Skill with tools, an

understanding of basic electronics, and

experience with car stereo installation are

needed to properly install this amplifier. If

you feel you do not have the necessary

knowledge and skills, we strongly

recommend that the installation be done

by your authorized JBL dealer. If the GTQ

amplifier is installed by an authorized JBL

dealer in the USA, we will double the

length of your warranty to two years

from date of purchase. Please retain a

copy of your bill of sale to ensure this

additional coverage.

If you choose to install the GTQ amplifier

yourself, read all of the information in

this manual before you start the

installation. Pay particular attention to the

safety precautions and notes.

It will save potential problems later if you

take a few minutes to plan the complete

installation before you start. The routing

of wires, the power supply connection

points, and the mechanical installation of

the unit should be completely thought

out before you begin. Work carefully and

check each step as it is performed. Before

operating the amplifier, recheck the entire

installation to be sure that each

connection is correct, properly insulated

and secure.

GTQ 190 - English 06/03/98 11:49 Side 2

Produkt Specifikationer

Mærke:	JBL
Kategori:	Modtager
Model:	GTQ190

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