JBL GTO572 User Manual

®
GRAND TOURING SERIES  
Automotive Loudspeakers  
GTO302, GTO402, GTO502, GTO602, GTO603, GTO572, GTO573,  
GTO962, GTO963, GTO803, GTO462, GTO462d & GTO4102 Owner’s Manual  
GENUINE JBL  
Installation of the GTO402speakers as shown in Figures 1a and 1b.  
Figure 1a  
Removable Mounting Ears on  
GTO 402, 422  
Bend up and down repeatedly  
to break off or use tin snips.  
Typical installation of the GTO962, 803, 963, 502,  
and 402 speakers with grilles as shown in Figure 2.  
Thank you for purchasing JBL's  
GrandTouring Series multi-element  
automotive loudspeakers. We’ve  
• Some Toyota installations may require mounting ears to be  
removed from opposite sides.  
• Some European car installations may require all  
four ears to be removed.  
organized this manual to make your  
installation as simple and trouble-free  
as possible. Please read through it com-  
pletely before proceeding. If, after having  
read it, you decide that you would rather  
leave installation to a professional,  
consult your JBL GrandTouring Dealer.  
Trim Ring  
Figure 2  
Mounting Ears Removed  
Autosound at its Best  
Your JBL GT Series multi-element  
speakers are built to meet the same  
rigorous standards of construction and  
performance that have long established  
JBLs renowned home and professional  
speakers.  
Car Door  
Grille  
Screen  
These speakers incorporate advanced  
materials and construction especially  
suited to the unique acoustic environ-  
ment of modern vehicles.They are  
engineered to provide excellent disper-  
sion, wide frequency response, and high  
power handling.  
Note: The GTO462, 462d, 572, 573, 4102, and 302 are  
designed for direct replacement of factory speakers.  
Therefore they do not contain the grilles and trim ring  
shown in Figure 2.  
Installation of these models simply entails reversing the  
steps taken to remove the original speakers.  
Figure 1b  
Two-Screw Mounting Configuration  
01  
Figure 3a  
Mounting  
Ring  
Figure 3c  
Installation of the 6-1/2" speakers  
Hole  
Cutout  
as shown in Figures 3a, b, c.  
Match Notch on  
Speaker with  
Notch on Trim Ring  
Mounting  
Hooks  
Rotate  
to  
Lock  
Foam  
Gasket  
Mounting  
Slots  
Grille  
Screen  
Grille  
Trim Ring  
Front View  
Figure 3b  
Rotate  
to Lock  
Foam  
Gasket  
Slots for  
Mounting  
Hooks  
Mounting  
Ring  
Custom Door Mounting with Grille  
Screw Patterns Fit European 170mm  
Mounting Holes  
Rotate  
to Lock  
Mounting  
Hooks  
Mounting for US 6-1/2"  
Honda/Toyota  
Factory Location  
Rear View  
Speaker Placement  
Installation Warnings  
andTips  
• Be careful not to cut or drill into fuel  
tanks, fuel lines, brake or hydraulic lines,  
vacuum lines or electrical wiring when  
working on your vehicle. Inspect behind  
panels before you cut or drill.  
Because of the GT Series speakers’ ver-  
satile mounting options, there are many  
placement options which will achieve  
excellent sound quality in your vehicle.  
Please consider the following to help you  
get the most from your speakers.  
1.The most spacious stereo image is  
achieved when the left and right speakers  
are placed as wide apart as possible.  
2.The best center image will be achieved  
when the distance from the left speaker  
and the right speaker are as equal as pos-  
sible from your listening position.This is  
most easily achieved by placing the  
speakers as far forward as possible.  
3.Treble is directional in nature. This  
means that high frequencies are reduced  
as you move off the tweeters axis. If  
possible, angle the speakers to be point-  
ed across the car to the listener on the  
opposite side.This will make each listener  
slightly off-axis to the tweeter that is clos-  
est to that listener, but on axis to the  
most distant speaker, which helps com-  
pensate for the fact that each listener is  
always closer to one speaker than to the  
other (see Figure 4). Choosing mounting  
locations which satisfy all of the above  
criteria will provide the most satisfying  
performance.  
• Make sure that the speaker will  
physically fit in the mounting location.  
If door mounting, check for adequate  
clearance with the window in both closed  
and open positions as well as for interfer-  
ence with the window crank and power  
window mechanism. If mounting else-  
where, check for clearance around rear  
deck torsion bars, glove box or other  
structural elements.  
• Do not mount speakers where they will  
get wet.  
• Make sure that it will be easy to run  
connecting wires to the speakers.Trace  
speaker wire paths before you undertake  
mounting.  
A Note on Power Handling  
As a result of their high efficiency, all  
JBL loudspeakers will produce reason-  
able volume levels in the automotive  
environment using very little amplifier  
power. However, the use of a small  
amplifier to attain very high volume lev-  
els could lead to overdriving the amplifi-  
er.This will generate high distortion lev-  
els which can easily damage loudspeak-  
ers, even if the rated power of the ampli-  
fier is below the rated maximum power  
handling of the loudspeaker!  
Figure 4  
System Design  
A more advanced system design can be  
achieved by adding a GT, GTX, GTi, or  
equivalent subwoofer to your GT series  
speakers. In this case the GT series multi-  
element speakers will be used as high  
and midbass frequency drivers and  
should have their extremely low frequen-  
cies blocked by electrical means. Active  
or passive crossovers can be used in  
order to achieve the best system fidelity  
and widest dynamic range. A crossover  
frequency of between 80Hz and 120Hz is  
recommended for the best imaging and  
widest dynamic range.  
WARNING: Playing loud music over  
120dB can permanently damage your  
hearing.The maximum volume levels  
achievable with JBL speakers combined  
with high power amplification may  
exceed safe levels for extended listening.  
When listening at high volume levels,  
always use hearing protection or  
turn it down!  
• Always disconnect the ground wire from  
the battery before doing any work on the  
vehicle.  
CAUTION: Fuel tanks are located directly  
beneath the rear deck in some cars.  
Check for adequate speaker basket clear-  
ance before considering this location!  
05  
Service  
Declaration of Conformity  
Should your loudspeaker ever need  
service, return it to the JBL dealer from  
whom it was purchased. If for some rea-  
son this is impractical, call 800-336-4JBL  
for your nearest warranty station. Do  
not return products to the JBL factory  
without prior authorization.  
We, JBL Europe A/S  
Kongevejen 194B  
DK-3460 Birkerod  
DENMARK  
General Care  
The loudspeaker grilles may be cleaned  
with a slightly damp cloth.  
declare in own responsibility, that the products  
described in this owner s manual are in compliance  
with technical standards:  
Do not use any cleaners or solvents on  
the grilles or the speaker drivers.  
EN 50 081-1/1992  
EN 50 082-1/3.1995  
Safety Note  
To avoid the dangers of accidental  
suffocation, please properly dispose  
of the plastic bag used in the speaker  
packaging.  
Steen Michaelsen  
JBL Europe A/S  
Birkerod. DENMARK. 2/98  
JBL Consumer Products  
250 Crossways Park Drive  
Woodbury, NY 11797  
8500 Balboa Blvd.  
Northridge, CA 91329  
800-336-4JBL (4525)  
Part No. GTAUTOSUBOM  
Made in USA  

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