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Table of Contents
Related Manuals for JBL 08GTi
Summary of Contents for JBL 08GTi
- Page 1 O8GTi AUTOMOTIVE TITANIUM DOME TWEETER INSTALLATION GUIDE...
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Page 2: Table Of Contents
Table of Contents Welcome to Club GTi...3 About this Manual ...4 Autosound at its Best ...5 Designing Your System ...6 Component Placement...7 Installation Warnings and Tips...9 Mounting Instructions ...10 Surface Mounting Instructions ...10 Surface Angle Mounting Instructions ...12 Flush Mounting Instructions ...14 Flush Angle Mounting Instructions...16 Wiring ...17 System Connections ...18... -
Page 3: Welcome To Club Gti
Welcome to Club GTi Thank you for purchasing the finest automotive tweeter 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. We call this group “Club GTi.”... -
Page 4: About This Manual
If you feel you possess the necessary skills, and prefer to install the equipment yourself, this manual will provide you with the necessary specifics to prop- erly use the 08GTi in typical installations. Consult your JBL dealer, or a qualified technician, for more information. -
Page 5: Autosound At Its Best
Autosound at its Best The 08GTi has been built to meet the same rigorous stan- dards of construction and perfor- mance that have long estab- lished JBL’s renowned home and professional speaker systems. The 08GTi incorporates advanced JBL pure titanium... -
Page 6: Designing Your System
Because of its wide-range design and variety of mounting options, the 08GTi is perfect for many dif- ferent applications. The overall quality of any system design is a result of how well all of the com-... -
Page 7: Component Placement
08GTi as an add-on tweeter. To use the 08GTi as the primary high frequency transducer in a high quality system, we recom- mend you use either a high qual- ity active crossover such as JBL’s GTX47, or GTX2. If you... - Page 8 Because of this, you can improve imaging by using the angle-mount capabilities of the 08GTi to point each tweeter’s axis across the car to the listener on the opposite side. This will make each...
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Page 9: Installation Warnings And Tips
Inspect behind panels before you cut or drill. Do not use the 08GTi unmounted. Failure to securely mount this product could result in damage or injury, particularly in the event of an accident. -
Page 10: Mounting Instructions
Figure A. b) Run the included speaker wire with the 08GTi crossover to the wire feed-through hole and connect the wire to the tweeter making sure to connect + to + and –... - Page 11 d) Twist the tweeter clockwise about ⁄ " to lock it into position. Figure A SURFACE MOUNT INSTALLATION...
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Page 12: Surface Angle Mounting Instructions
⁄ " screws. c) Run the included speaker wire with the 08GTi crossover to the wire through hole and connect the wire to the tweeter making sure to connect + to + and – to –. - Page 13 Figure B SURFACE ANGLE INSTALLATION...
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Page 14: Flush Mounting Instructions
Flush Mounting Instructions a) Use a hole saw or other tool and the Flush Mount Template at the back of this manual to make a hole for the flush mount cup in the desired location. Secure the metal spring to the flush mount cup using one metal spring screw as shown in figure C. - Page 15 d) Secure the mounting plate to the flush mount cup using three screws. Connect the speaker wire to the tweeter. (See Figure D) e) Push the tweeter down onto the mounting plate making sure to line up the bayonet tabs with the slots in the tweeter housing.
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Page 16: Flush Angle Mounting Instructions
⁄ " screws as shown in Figure E. c) Connect the 08GTi speaker wires (with crossover) to the tweeter. d) Press the tweeter down onto the flush angle mount adapter lower portion making sure to line up the snaps with the slots in the tweeter housing. -
Page 17: Wiring
INSTALLATION Figure E Wiring Use 2-conductor stranded type, insulated wire to connect the 08GTi to it’s crossover, and the crossover to the amplifier. A minimum wire gauge of 18AWG is recommended, with larger size suggested for wire runs longer than 10 feet. -
Page 18: System Connections
(+) and the black striped wire as nega- tive (–). System Connections: There are a variety of sys- tem options available with the 08GTi. The simplest configura- tion is to use the 08GTi... - Page 19 08GTi is supplied with an in-line 12dB per octave 5kHz high-pass filter. We call this a “protection network”. This allows you to use the 08GTi as an add-on to an existing system by attaching the supplied protection network in parallel to the existing speakers,...
- Page 20 The most advanced system designs use active electronic crossovers such as the JBL GTX2 or GTX47. When an active crossover is used, the pro- tection network is not used, you should however install an in-line fuse holder containing a 1.5A...
- Page 21 3.5kHz if you are using an 18 or 24dB per octave crossover. For safety, the maximum recom- mended amplifier power routed directly to the 08GTi tweeter is 125 Watts RMS. In fact, due to the nature of music, and the reduced energy present at high...
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Page 22: A Note On Power Handling
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... -
Page 23: In Case Of Difficulty
The most common difficul- ties are noise, distortion, and intermittent connections. System noise is usually not the fault of the 08GTi. Hiss or “alternator whine” is most often the result of faulty grounding of the system electronics or improp- er setting of amplifier level con- trols. - Page 24 Refer to the instructions which came with the electronics for assistance. The 08GTi will sound distorted if it is used without a crossover or protection network. It will also not last very long. Never use...
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Page 25: Specifications
Specifications: Frequency response without crossover: 3.5kHz - 22kHz Frequency response with supplied protection network: 5Khz - 22kHz I.E.C. power handling with included 5kHz Protection net- work: 60 Watts RMS Power handling with 3.5kHz 18dB/octave active crossover: 60 Watts RMS Recommended system amp- lifier power range: 20 Watts–... -
Page 26: Templates
Tweeter is angled in this direction Drill " (8.7mm) holes for wire feed through Drill " (2.9mm) hole in two places 08GTi SURFACE ANGLE MOUNT TEMPLATE... - Page 27 Drill " (8.7mm) holes for wire feed through 08GTi MOUNTING PLATE TEMPLATE Drill " (2.4mm) holes for mounting screw...
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Page 29: Templates
Cut Hole Using " (54mm) hole saw 08GTi FLUSH MOUNT TEMPLATE... - Page 31 For this reason, any current JBL GTi loudspeaker may differ in some respect from its published description but will always equal or exceed the original design specifi- cations unless otherwise stated.
- Page 32 JBL Consumer Products, Inc. 80 Crossways Park West Woodbury, NY 11797 8500 Balboa Blvd. Northridge, CA 91329 1-800-336-4JBL in the USA ? O 2 @ @ @ 6 K ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ?