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02

Thank you

for purchasing JBL’s

Grand Touring Series multielement auto-
motive loudspeakers. In order that we
may better serve you should you require
warranty service on your new speakers,
please retain your original purchase
receipt and return the enclosed warranty
registration card.

Important: Installation of automotive
stereo components can require exten-
sive experience in performing a variety
of mechanical and electrical procedures.
Although these instructions explain in a
general sense how to install GT Series
loudspeakers, they may not show the
exact installation methods for your par-
ticular vehicle. If you feel you lack the
necessary tools or experience, ask your
authorized JBL car-audio dealer about
professional installation options.

Installation Warnings  and Tips
• Always wear protective eyewear 
when using tools.
• Turn off all audio systems and other
electrical devices before you start. 
Disconnect the (–) negative lead from
your vehicle’s battery.
• Keep speakers in their package(s) until
final installation. When moving a speaker,
always rest it with the cone or dome 
facing up. Never use force to install any
speaker.
• Check clearances on both sides of a
planned mounting surface before drilling
any holes or installing any screws.
Remember that the screws can extend
behind the surface.
• At the installation sites, locate and make
a note of all fuel lines, hydraulic brake
lines, vacuum lines and electrical wiring.
Use extreme caution when cutting or
drilling in and around these areas.

Caution: In some cars, fuel tanks may 
be located directly beneath the rear 
deck. Check for adequate speaker-basket
clearance before considering this 
location!
• Before drilling or cutting holes, use a
utility knife to remove unwanted fabric
or vinyl to keep material from snagging
in a drill bit or saw.
• For door installations, check the 
clearance with the windows in both
closed and open positions and verify 
that a mounted speaker will not interfere
with the window crank or with the 
power-window mechanism. 
• If mounting speakers elsewhere, check
for clearance around rear-deck torsion 
bars, glove box or other structural 
elements.
• Do not mount speakers where they 
will get wet.

Warning: Playing loud music in an 
automobile can permanently damage
your hearing as well as hinder your 
ability to hear traffic. We recommend 
listening at low levels while in your car.
JBL accepts no liability for hearing loss,
bodily injury or property damage result-
ing from use or misuse of this product. 

Owners Manual  7/21/99  9:35 AM  Page 3

Summary of Contents for STADIUM GTO620

Page 1: ...d Touring Series 20 GTO620 GTO630 GTO7520 GTO920 GTO930 wner s Manual E L O U D S P E A K E R S ...

Page 2: ...ck the clearance with the windows in both closed and open positions and verify that a mounted speaker will not interfere with the window crank or with the power window mechanism If mounting speakers elsewhere check for clearance around rear deck torsion bars glove box or other structural elements Do not mount speakers where they will get wet Warning Playing loud music in an automobile can permanen...

Page 3: ...e Mounting Ears on GTO420 Note Some installations may require some or all of the mounting ears to be removed from the GTO420 Remove your original speakers first to determine whether any mounting ears must be removed Installation of the GTO420 speaker as shown in Figures 2a and 2b ...

Page 4: ...Note To install the GTO6420 in European cars with elliptical openings detach the speaker from the metal adapter Figure 3 Installation of the GTO6420 speaker as shown in Figure 3 ...

Page 5: ...and nonstandard locations ccommodate a 6 1 2 speaker Important When using the steel mounting rings you must use the sheet metal screws with undersized heads that are included in the hardware pack and make sure that the ring is mounted to a completely flat surface Rotate to Lock Slots for Mounting Hooks Mounting Hooks Foam Gasket Mounting Ring Figure 4b ...

Page 6: ...ory door panel or grille omit the grille and trim ring Place the U shaped clips over the speaker s outside flange align the hole in the clip with the notch in the speaker s basket and insert the screw through the hole in the clip Clips Mounting Surface Hole Cutout ...

Page 7: ...gitex Rigitex Titanium Composite Titanium Composite Titanium Composite Titanium Composite 5W 60W RMS 5W 90W RMS 5W 125W RMS 5W 125W RMS 75Hz 21kHz 65Hz 21kHz 55Hz 21kHz 55Hz 21kHz 92dB 90dB 91dB 91dB 1 3 4 45mm 2 3 16 56mm 1 15 16 50mm 1 15 16 50mm GTO930 6 x 9 3 Way Loudspeaker Rigitex Titanium Composite 5W 175W RMS 45Hz 21kHz 92dB 2 15 16 75mm ...

Page 8: ...ucts 250 Crossways Park Drive Woodbury NY 11797 www jbl com Part No GTOMEOM Made in China ...

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