JBL 404GTI Installation Manual
JBL 404GTI Installation Manual

JBL 404GTI Installation Manual

Automotive neo/kevlar coupled component systems with cast frame

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Table of Contents
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Summary of Contents for JBL 404GTI

  • Page 2: Table Of Contents

    Table of Contents Welcome to Club GTi ...3 About this Manual ...3 Autosound at its Best ...3 Designing Your System ...5 Coupled Component Placement...5 Installation Warnings and Tips ...6 Mounting Instructions ...6 Installing the GTi System Crossover ...6 Woofer/Midrange Driver Mounting ...7 Mounting Speakers in Custom Locations...8 Wiring ...10 System Connections ...10...
  • Page 3: Welcome To Club Gti

    Welcome to Club GTi Thank you for purchasing the finest Automotive Coupled Component Systems JBL has ever produced. As a GTi Competition Series owner, you are a member of a select group of people who enjoy the most advanced mobile audio products available.
  • Page 4 Pure titanium has long been known to have a very high stiffness to weight ratio, making it ideal for treble reproduction. However, only JBL has “tamed” titanium through a special manufacturing process. The dome of the 404 and 504GTi Tweeter...
  • Page 5: Designing Your System

    To use the 404 and 504GTi as the satellite transducers in a high quality system, we recommend you use either a high quality active crossover such as JBL’s GTX47, GTX4 or GTX2 to provide optimum matching to your subwoofer or woofer/midbass loudspeaker.
  • Page 6: Installation Warnings And Tips

    The most spacious stereo image is achieved when the speakers are placed as wide apart as possible. The best center image will be achieved when the distance from the left speaker to your left ear is as equal as possible to the distance from the right speaker to your right ear.
  • Page 7: Woofer/Midrange Driver Mounting

    Mounting the GTi Crossover with Wire Ties 1. Remove the crossover cover as shown in Figure G. 2. Remove the crossover board from the plastic case. 3. Use wire ties to secure the plastic case to the desired location as shown in Figure A.
  • Page 8: Mounting Speakers In Custom Locations

    Connect the speaker wire from the crossover terminals marked “T” to the tweeter terminals of the speaker by either soldering (preferred) or using crimp terminals. The “+T” terminal of the crossover should be connected to the orange colored T terminal on the speaker.
  • Page 9 Connect the speaker wire from the crossover terminals marked “W” to the woofer/midrange terminals of the speaker by either soldering (preferred) or using crimp terminals. Connect the “+W” terminal of the crossover to the orange “W” terminal of the speaker. Repeat for “–W”...
  • Page 10: Wiring

    Coupled Components ™ the subwoofer or woofer/midbass. Some active crossovers, such as the JBL GTX47, have a phase switch which enables you to easily switch polarity. When the sub- woofer or woofer/midbass and Coupled...
  • Page 11 12dB per octave be used. The most advanced system designs use active electronic crossovers such as the JBL GTX2, GTX4 or GTX47 at both the subwoofer (or woofer/midbass)-to-Coupled Component ™ transition point and at the woofer/midrange-to-tweeter transition.
  • Page 12: Crossover Tweeter Level Adjustment

    If you want your system “Loud + Clear,” we suggest that you step up to a JBL power amplifier which has an RMS power rating equal to, but not exceeding, the Maximum...
  • Page 13: In Case Of Difficulty

    If you want to talk to us about any problems, call JBL Customer Service at 1-800-336-4JBL (4525) between 9AM and 5PM eastern time.
  • Page 14: Specifications

    Weight (1 Driver): Dimensions – Tweeter Overall Diameter: Height: Height With Angle Adapter: Flush Mount Cutout Diameter: Flush Mount Depth: Dimensions – Crossover Network (LxWxH): 404GTi 504GTi 80 – 21kHz 60 – 21kHz 80Hz 50Hz 85 Watts 120 Watts 60 Watts...
  • Page 15: Thiele-Small Specifications

    Note: Specifications apply only after a 2 hour break-in period at medium volume levels. JBL continually strives to impove its products. New materials, production methods and other refinements may result in a change from published specifications and description. The changes will equal or exceed the original specifications, unless otherwise stated.
  • Page 16 A Harman International Company NMGP/N:304353-001 5/94...

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