®
GRAND TOURING
SERIES
Automotive Loudspeakers
GTO302, GTO402, GTO502, GTO602, GTO603, GTO572, GTO573,
GTO962, GTO963, GTO803, GTO462, GTO462d & GTO4102 Owner’s Manual
GENUINE JBL
Specifications
Multi-Element Loudspeakers
With Poly-Tex Copolymer Woofer Cones and Butyl-Rubber Surround
GTO963 GTO962 GTO602 GTO603 GTO572 GTO573 GTO803
6" x 9" 3-way 6" x 9" 2-way 6-1/2" 2-way 6-1/2" 3-way 5" x 7" 2-way 5" x 7" 3-way 8" 3-way
Super Solid-state Solid-state Solid-state Solid-state
Tweeter Titanium Composite Titanium Composite Titanium Composite Titanium Composite
Tweeter Titanium- Titanium- Titanium- Titanium- Titanium- Titanium- Titanium-
Tweeter Size 1-3/4" 1-3/4" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-3/4"
Speaker Impedance 4 Ohms 4 Ohms 4 Ohms 4 Ohms 4 Ohms 4 Ohms 4 Ohms
Recommended Amplifier
Power Range 5 – 175W RMS 5 – 150W RMS 5 – 125W RMS 5 – 125W RMS 5 – 150W RMS 5 –150W RMS 5 – 175W RMS
Frequency Response 45Hz – 21kHz 45Hz – 21kHz 55Hz – 21kHz 55Hz – 21kHz 50Hz – 21kHz 50Hz– 21kHz 35Hz – 21kHz
Sensitivity 92dB 91dB 91dB 91dB 91dB 91dB 92dB
Mounting Depth
Bottom Mount 3-1/2" (89mm) 3-1/2" (89mm) 2-1/4" (57mm) 2-1/4" (57mm) 2-5/8" (67mm) 2-5/8" (67mm) 3-5/8" (93mm)
Tweeter Titanium- Titanium- Titanium- Titanium- Titanium- Titanium-Composite
Tweeter Size 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1"
Speaker Impedance 4 Ohms 4 Ohms 4 Ohms 4 Ohms 4 Ohms 4 Ohms
Recommended Amplifier
Power Range 5 – 90W RMS 5 – 75W RMS 5 – 60W RMS 5 – 60W RMS 5 – 150W RMS 5 – 60W RMS
Frequency Response 65Hz – 21kHz 85Hz – 21kHz 75Hz – 21kHz 75Hz – 21kHz 55Hz – 21kHz 100Hz – 21kHz
Sensitivity 90dB 90dB 92dB 92dB 93dB 90dB
Mounting Depth
Bottom Mount 2-1/2" (64mm) 2" (51mm) 1-15/16" (50mm) 1-15/16" (50mm) 2-3/4" (70mm) 1-5/8" (45mm)
Composite Cone Composite Cone Composite Cone Composite Cone Composite Cone Composite Cone Composite Cone
Drop-in 3-1/16" (78mm) 3-1/16" (78mm) 1-13/16" (46mm) 1-13/16" (46mm) 2-5/16" (59mm) 2-5/16" (59mm) 3-3/8" (86mm)
GTO502 GTO402 GTO462 GTO462d GTO4102 GTO302
5-1/4" 2-way 4" 2-way 4" x 6" 2-way 4" x 6" 2-way 4" x 10" 2-way 3-1/2" 2-way
Composite Cone Composite Cone Composite Cone Composite Cone Composite Cone Balanced Dome
Drop-in 2-3/8" (61mm) 1-7/8" (48mm) 1-7/8" (48mm) 1-7/8" (48mm) 2-3/8" (60mm) 1-1/2" (38mm)
01
Installation of the GTO402 speakers as shown in Figures 1a and 1b.
Removable Mounting Ears on
GTO 402, 422
Bend up and down repeatedly
to break off or use tin snips.
• 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.
Mounting Ears Removed
Grille
Screen
Trim Ring
Car Door
Figure 1a
Thank you for purchasing JBL's
Grand Touring Series multi-element
automotive loudspeakers. We’ve
organized this manual to make your
installation as simple and trouble-free
as possible. Please read through it completely before proceeding. If, after having
read it, you decide that you would rather
leave installation to a professional,
consult your JBL Grand Touring Dealer.
Autosound at its Best
Your JBL GT Series multi-element
speakers are built to meet the same
rigorous standards of construction and
01
performance that have long established
JBL’s renowned home and professional
speakers.
These speakers incorporate advanced
materials and construction especially
suited to the unique acoustic environment of modern vehicles. They are
engineered to provide excellent dispersion, wide frequency response, and high
power handling.
Two-Screw Mounting Configuration
Figure 1b
Typical installation of the GTO962, 803, 963, 502,
and 402 speakers with grilles as shown in Figure 2.
Figure 2
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.
Mounting
Hooks
Mounting
Ring
Foam
Gasket
Mounting
Slots
Rotate
to
Lock
Rotate
to Lock
Rotate
to Lock
Slots for
Mounting
Hooks
Mounting
Hooks
Mounting
Ring
Foam
Gasket
Mounting for US 6-1/2"
Honda/Toyota
Factory Location
Match Notch on
Speaker with
Notch on Trim Ring
Grille
Screen
Hole
Cutout
Grille
Trim Ring
Figure 3a
Front View
Installation of the 6-1/2" speakers
as shown in Figures 3a, b, c.
Rear View
Figure 3b
Figure 3c
Custom Door Mounting with Grille
Screw Patterns Fit European 170mm
Mounting Holes
Speaker Placement
Because of the GT Series speakers’ versatile 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 possible 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 tweeter’s axis. If
possible, angle the speakers to be pointed across the car to the listener on the
opposite side. This will make each listener
slightly off-axis to the tweeter that is closest to that listener, but on axis to the
most distant speaker, which helps compensate 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.
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 multielement speakers will be used as high
and midbass frequency drivers and
should have their extremely low frequencies 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.
Installation Warnings
and Tips
• 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.
• 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 interference with the window crank and power
window mechanism. If mounting elsewhere, 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.
• 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 clearance before considering this location!
A Note on Power Handling
As a result of their high efficiency, all
JBL loudspeakers will produce reasonable volume levels in the automotive
environment using very little amplifier
power. However, the use of a small
amplifier to attain very high volume levels could lead to overdriving the amplifier. This will generate high distortion levels which can easily damage loudspeakers, even if the rated power of the amplifier is below the rated maximum power
handling of the loudspeaker!
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!
05
Service
C
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B
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A
T
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G
5
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A
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Should your loudspeaker ever need
service, return it to the JBL dealer from
whom it was purchased. If for some reason this is impractical, call 800-336-4JBL
for your nearest warranty station. Do
not return products to the JBL factory
without prior authorization.
General Care
The loudspeaker grilles may be cleaned
with a slightly damp cloth.
Do not use any cleaners or solvents on
the grilles or the speaker drivers.
Safety Note
To avoid the dangers of accidental
suffocation, please properly dispose
of the plastic bag used in the speaker
packaging.
JBL Consumer Products
250 Crossways Park Drive
Woodbury, NY 11797
8500 Balboa Blvd.
Northridge, CA 91329
800-336-4JBL (4525)
www.jbl.com
Declaration of Conformity
We, JBL Europe A/S
Kongevejen 194B
DK-3460 Birkerod
DENMARK
declare in own responsibility, that the products
described in this owner s manual are in compliance
with technical standards:
EN 50 081-1/1992
EN 50 082-1/3.1995
Steen Michaelsen
JBL Europe A/S
Birkerod. DENMARK. 2/98
Part No. GTAUTOSUBOM
Made in USA
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