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.
INSTALLATION
Figure 3. Modifying the GTO427 to be
installed in locations requiring fewer than
four mounting “ears.”
Figure 4. Mounting GTO speakers in factory
INTERMOUNT III (patent no.
6,505,705) MOUNTING RINGS
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 7. Mounting the GTO627 or GTO637 in
locations without grilles.
a standard speaker location.
Note: Grip the tab and bend to detach it
from the speaker.
FOAM GASKET
Figure 5. Mounting GTO speakers using the
supplied grilles.
Figure 6. Mounting the GTO627 or GTO637
using the supplied metal ring. Installation
with the plastic ring is similar.
Note: The GTO8627, GTO6427 and GTO327
speakers are designed to be installed
under factory grilles. Consequently, no
grilles are packaged with these models.
FOAM GASKET
MOUNTING RING
3
SPECIFICATIONS
GTO327
3-1/2"
Two-way
GTO427
4"
Two-way
GTO527
5-1/4"
Two-way
GTO627
6-1/2"
Two-way
GT0637
6-1/2"
Three-way
GTO6427
4" x 6"
Two-way
GTO6527
165mm
Two-way
GTO6527S
Shallow 165mm 165mm
two-way
GTO6537
GTO837
8"
Three-way
GTO8627
6" x 8" (5" x 7") 6" x 9"
Two-way
GTO927
GTO937
6" x 9"
Three-way
Type
Three-way
Two-way
Power
Handling
25W RMS,
75W Peak
35W RMS,
105W Peak
45W RMS,
135W Peak
60W RMS,
180W Peak
60W RMS,
180W Peak
40W RMS,
120W Peak
60W RMS,
180W Peak
55W RMS,
165W Peak
60W RMS,
180W Peak
100W RMS,
300W Peak
60W RMS,
180W Peak
100W RMS,
300W Peak
100W RMS,
300W Peak
Sensitivity
(2.83V/1m)
89dB
90dB
91dB
92dB
92dB
91dB
92dB
92dB
92dB
94dB
92dB
94dB
94dB
Frequency
Response
90Hz – 20kHz
2 Ohms
90Hz – 20kHz
2 Ohms
70Hz – 21kHz
2 Ohms
55Hz – 21kHz
2 Ohms
55Hz – 21kHz
2 Ohms
75Hz – 21kHz
2 Ohms
55Hz – 21kHz 55Hz – 21kHz
55Hz – 21kHz
2 Ohms
50Hz – 21kHz
2 Ohms
50Hz – 21kHz
2 Ohms
50Hz – 21kHz
2 Ohms
50Hz – 21kHz
2 Ohms
Impedance
2 Ohms
2 Ohms
Mounting
Depth
1-7/16"
(37mm)
2"
2-5/16"
(59mm)
2-1/16"
(53mm)
2-1/16"
(53mm)
1-13/16"
(47mm)
2-3/8"
(61mm)
1-13/16"
(47mm)
2-3/8"
(61mm)
2-3/4"
(70mm)
2-1/4"
(58mm)
2-15/16"
(75mm)
2-15/16"
(75mm)
(51mm)
Cutout
Diameter
3-3/16"
(81mm)
3-1/2"
(89mm)
4-11/16"
(120mm)
5-1/16"
(129mm)
5-1/16"
(129mm)
3-7/16" x 5-13/16" 5-11/16"
(88mm x 148mm) (145mm)
5-11/16"
(145mm)
5-11/16"
(145mm)
7-3/16"
(183mm)
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)
Overall
Diameter
3-7/16"
(88mm)
3-15/16"
(101mm)
5-1/8"
(131mm)
6-1/4"
(159mm)
6-1/4"
(159mm)
3-3/4" x 6-1/8"
6-9/16"
6-9/16"
(167mm)
6-9/16"
(167mm)
9-1/2"
(242mm)
5-11/16" x 8"
6-1/2" x 9-1/4"
6-1/2" x 9-1/4"
(96mm x 156mm) (167mm)
(145mm x 204mm) (166mm x 235mm) (166mm x 235mm)
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.
Declaration of Conformity
JBL Consumer Products
250 Crossways Park Drive, Woodbury, NY 11797 USA
We, Harman Consumer Group International
2, route de Tours
72500 Château du Loir
France
© 2006 Harman International Industries, Incorporated. All rights reserved.
declare in own responsibility that the products described in this owner’s
manual are in compliance with technical standards:
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.
EN 61000-6-3:2001
EN 61000-6-1:2001
Klaus Lebherz
Harman Consumer Group International
Château du Loir, France 2/06
Part No. GTMEOM2/06
www.jbl.com
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