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GRAND
TOURING
®
SERIES
GTO327
GTO427
GTO527
GTO627
GTO637
GTO6427
GTO6527
GTO6527S
GTO6537
GTO837
GTO8627
GTO927
GTO937
multielements
owner’s manual
THANK YOU
for purchasing a JBL®Grand Touring®Series automotive
speakers. We’ve organized this manual to make your
installation as simple and trouble-free as possible.
Please read it thoroughly before proceeding. Remember
to keep your sales receipt and this manual in a safe
place so both are available for future reference.
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INSTALLATION WARNINGS AND TIPS
ABOUT THESE
INSTRUCTIONS
Installation of automotive stereo components
can require extensive experience with a
variety of mechanical and electrical
procedures. Although these instructions
explain how to install Grand Touring Series
multielement speakers in a general sense,
they do not show the exact installation
methods for your particular vehicle. If
you do not feel you have the necessary
experience, do not attempt the installation
yourself – instead, ask your authorized
JBL car audio dealer about professional
installation options.
LOUD MUSIC AND HEARING
Playing loud music in an automobile can
hinder your ability to hear traffic as well as
permanently damage your hearing. The
maximum volume levels achievable with
JBL speakers, combined with high power
amplification, may exceed safe levels for
extended listening. We recommend using
low volume levels when driving. JBL
accepts no liability for hearing loss, bodily
injury or property damage as a result of use
or misuse of this product.
REAR DECK PRECAUTION
In some cars, the fuel tank may be located
directly beneath the rear deck. Before
installation, make sure there is adequate
speaker basket clearance before
considering this location.
INSTALLATION TIPS
• Always wear protective eyewear when
using any tools.
• Turn off all audio components and other
electrical devices before you start.
Disconnect the (–) negative lead from your
vehicle’s battery.
• Keep speakers in their package 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.
• 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 throughout the range of
the window’s travel, and verify that a
mounted speaker will not interfere with
the window crank or 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.
INSTALLATION
UNIPOINT™ROTATING
TWEETER
Figure 1. Turn the angled tweeter on the
GTO527, GTO627, GTO6527, GTO8627 and
GTO927 to aim the sound at the listener.
TWEETER LEVEL CONTROL
Figure 2. Move the tweeter level control
switch on the GTO527, GTO627,
GTO637, GTO6527, GTO6537, GTO837,
GTO8627, GTO927 and GTO937 to
select 0dB (reference) or +3dB.
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INSTALLATION
FOAM GASKET
MOUNTING RING
FOAM GASKET
Figure 3. Modifying the GTO427 to be
installed in locations requiring fewer than
four mounting “ears.”
Note: Grip the tab and bend to detach it
from the speaker.
Figure 4. Mounting GTO speakers in factory
locations without grilles.
Figure 5. Mounting GTO speakers using the
supplied grilles.
Note: The GTO8627, GTO6427 and GTO327
speakers are designed to be installed
under factory grilles. Consequently, no
grilles are packaged with these models.
INTERMOUNT III (patent no.
MOUNTING RINGS
6,505,705)
The GTO627 and GTO637 are packaged
with two different speaker adapter rings.
The rings will allow the speakers to be
installed into various factory 6," 6-1/2" and
6-3/4" openings. The metal ring can be
mounted in many European vehicles,
Japanese vehicles or vehicles with 6"
speaker locations. The plastic ring can
be mounted in many vehicles using 6-3/4"
speaker locations or three-point mounting
frames.
Figure 6. Mounting the GTO627 or GTO637
using the supplied metal ring. Installation
with the plastic ring is similar.
Figure 7. Mounting the GTO627 or GTO637 in
a standard speaker location.
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SPECIFICATIONS
Type 3-1/2" 4" 5-1/4" 6-1/2" 6-1/2" 4" x 6" 165mm Shallow 165mm 165mm 8" 6" x 8" (5" x 7") 6" x 9" 6" x 9"
Power 25W RMS, 35W RMS, 45W RMS, 60W RMS, 60W RMS, 40W RMS, 60W RMS, 55W RMS, 60W RMS, 100W RMS, 60W RMS, 100W RMS, 100W RMS,
Handling 75W Peak 105W Peak 135W Peak 180W Peak 180W Peak 120W Peak 180W Peak 165W Peak 180W Peak 300W Peak 180W Peak 300W Peak 300W Peak
Sensitivity 89dB 90dB 91dB 92dB 92dB 91dB 92dB 92dB 92dB 94dB 92dB 94dB 94dB
(2.83V/1m)
Frequency 90Hz – 20kHz 90Hz – 20kHz 70Hz – 21kHz 55Hz – 21kHz 55Hz – 21kHz 75Hz – 21kHz 55Hz – 21kHz 55Hz – 21kHz 55Hz – 21kHz 50Hz – 21kHz 50Hz – 21kHz 50Hz – 21kHz 50Hz – 21kHz
Response
Impedance 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms 2 Ohms
Mounting 1-7/16" 2" 2-5/16" 2-1/16" 2-1/16" 1-13/16" 2-3/8" 1-13/16" 2-3/8" 2-3/4" 2-1/4" 2-15/16" 2-15/16"
Depth (37mm) (51mm) (59mm) (53mm) (53mm) (47mm) (61mm) (47mm) (61mm) (70mm) (58mm) (75mm) (75mm)
Cutout 3-3/16" 3-1/2" 4-11/16" 5-1/16" 5-1/16"
Diameter (81mm) (89mm) (120mm) (129mm) (129mm)
Overall 3-7/16" 3-15/16" 5-1/8" 6-1/4" 6-1/4"
Diameter (88mm) (101mm) (131mm) (159mm) (159mm)
GENERAL CARE
The loudspeaker grilles may be cleaned with a damp cloth. Do not use any cleaners or solvents on the grilles or the speaker cones.
These products are designed for mobile applications and are not intended for connection to the mains.
A valid serial number is required for warranty coverage.
Features, specifications and appearance are subject to change without notice.
Not all models are available in all markets.
JBL Consumer Products
250 Crossways Park Drive, Woodbury, NY 11797 USA
516.255.4JBL (4525) (USA only) www.jbl.com
© 2006 Harman International Industries, Incorporated. All rights reserved.
JBL, Harman International and Grand Touring Series are trademarks of Harman
International Industries, Incorporated, registered in the United States and/or other
countries. Unipoint is a trademark of Harman International Industries, Incorporated.
Part No. GTMEOM2/06
GTO327 GTO427 GTO527 GTO627 GT0637 GTO6427 GTO6527 GTO6527S GTO6537 GTO837 GTO8627 GTO927 GTO937
Two-way Two-way Two-way Two-way Three-way Two-way Two-way two-way Three-way Three-way Two-way Two-way Three-way
3-7/16" x 5-13/16"
(88mm x 148mm)
3-3/4" x 6-1/8"
(96mm x 156mm)
5-11/16" 5-11/16" 5-11/16" 7-3/16"
(145mm) (145mm) (145mm) (183mm)
6-9/16" 6-9/16" 6-9/16" 9-1/2"
(167mm) (167mm) (167mm) (242mm)
Declaration of Conformity
Harman Consumer Group International
We,
2, route de Tours
72500 Château du Loir
France
declare in own responsibility that the products described in this owner’s
manual are in compliance with technical standards:
EN 61000-6-3:2001
EN 61000-6-1:2001
Klaus Lebherz
Harman Consumer Group International
Château du Loir, France 2/06
4-15/16" x 7-3/16" 5-15/16" x 8-11/16" 5-15/16" x 8-11/16"
(126mm x 183mm) (151mm x 221mm) (151mm x 221mm)
5-11/16" x 8" 6-1/2" x 9-1/4" 6-1/2" x 9-1/4"
(145mm x 204mm) (166mm x 235mm) (166mm x 235mm)
www.jbl.com
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