JBL GTO1002D User Manual

®
GRAND TOURING  
SERIES  
GTO804  
GTO1002D  
GTO1004D  
GTO1202D  
GTO1204D  
GTO1502D  
GTO1504D  
car audio subwoofer  
owner’s manual  
THANK YOU  
®
®
for purchasing a JBL Grand Touring Series subwoofer.  
Subwoofer installation requires woodworking skills and some  
experience in disassembling and reassembling automotive  
interiors. If you lack the tools or necessary skills, have your  
subwoofer installed by an authorized JBL dealer.  
CONNECTING YOUR SUBWOOFER TO YOUR AMPLIFIER  
JBL Grand Touring Series  
2. You may connect the coils of a  
dual-voice coil woofer in series,  
but we recommend that you avoid  
connecting separate woofers in  
series.  
To design a subwoofer system  
that maximizes available amplifier  
power, keep the following rules  
in mind:  
Figure 1. Parallel connection  
subwoofers are available in two  
different configurations: as dual  
4-ohm voice coils or as dual 2-ohm  
voice coils. Depending on the  
amplifiers you are using, you may  
use GTO subwoofers in singles or  
multiples to maximize the power  
available from your amplifiers. To  
achieve the maximum amplifier  
output possible, you should design  
a speaker system that provides  
the lowest impedance that your  
amplifier will drive safely. When  
designing a subwoofer system,  
consider the following rules:  
1. The total system impedance  
of woofers in parallel can be  
calculated using the formula:  
3. You must use both coils of a dual-  
voice coil woofer connected  
either in series or in parallel.  
1
NOTE: The GTO1004D, GTO1204D  
and GTO1504D come with both  
jumpers installed for a parallel  
configuration.  
Impedance=  
1
w1  
1
1
w3  
...  
4. Most amplifiers deliver exactly  
the same amount of power  
bridged into a 4-ohm load  
as they do running a 2-ohm  
stereo load.  
+
+
w2  
where w is the nominal  
impedance of the woofer.  
Figure 2. Series connection  
2. The total system impedance  
of voice coils (or woofers) in  
1. Do not mix different subwoofers  
or enclosure types in the same  
system. Subwoofers being used in  
the same enclosure or powered  
from the same amplifier should  
be identical models. Mismatched  
woofers and enclosures can  
result in poor performance from  
your subwoofer system.  
series can be calculated using  
the formula:  
Impedance = w1 + w2 + w3 ...  
The diagrams at right show parallel  
and series speaker connections.  
NOTE: The GTO1002D, GTO1202D  
and GTO1502D come with one  
jumper installed for a series  
configuration.  
NOTE: There are two jumpers  
supplied with the woofers to make  
connections easier.  
3
SPECIFICATIONS  
GTO804  
GTO1002D  
10" Dual 2-Ohm  
Subwoofer  
GTO1004D  
10" Dual 4-Ohm  
Subwoofer  
GTO1202D  
12" Dual 2-Ohm  
Subwoofer  
GTO1204D  
12" Dual 4-Ohm  
Subwoofer  
GTO1502D  
15" Dual 2-Ohm  
Subwoofer  
GTO1504D  
15" Dual 4-Ohm  
Subwoofer  
8" Single 4-Ohm  
Subwoofer  
Power Handling, RMS  
Power Handling, Peak  
Sensitivity (2.83V/1m)  
Frequency Response  
Impedance  
200W  
250W  
250W  
300W  
300W  
300W  
300W  
800W  
1000W  
1000W  
1200W  
1200W  
1200W  
1200W  
91dB  
91dB  
91dB  
93dB  
93dB  
93dB  
93dB  
30Hz – 400Hz  
4 Ohms  
25Hz – 400Hz  
4 Ohms/1 Ohm  
4-9/16" (116mm)  
9-3/16" (234mm)  
10-3/8" (264mm)  
25Hz – 400Hz  
8 Ohms/2 Ohms  
4-9/16" (116mm)  
9-3/16" (234mm)  
10-3/8" (264mm)  
23Hz – 400Hz  
4 Ohms/1 Ohm  
5-1/16" (129mm)  
23Hz – 400Hz  
8 Ohms/2 Ohms  
5-1/16" (129mm)  
23Hz – 400Hz  
4 Ohms/1 Ohm  
5-5/8" (143mm)  
23Hz – 400Hz  
8 Ohms/2 Ohms  
5-5/8" (143mm)  
Mounting Depth  
4-3/8" (112mm)  
7-3/16" (183mm)  
8-1/4" (210mm)  
Cutout Diameter  
11-3/16" (285mm) 11-3/16" (285mm) 13-7/16" (342mm) 13-7/16" (342mm)  
12-7/16" (316mm) 12-7/16" (316mm) 15-1/16" (383mm) 15-1/16" (383mm)  
Overall Diameter  
A valid serial number is required for warranty coverage.  
Features, specifications and appearance are subject to change without notice.  
These products are designed for mobile applications and are not intended for connection to the mains.  
Declaration of Conformity  
Harman Consumer Group, Inc.  
250 Crossways Park Drive, Woodbury, NY 11797 USA  
516.255.4JBL (4525) (USA only) www.jbl.com  
We, Harman Consumer Group International  
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:  
© 2006 Harman International Industries, Incorporated. All rights reserved.  
JBL and Grand Touring are trademarks of Harman International Industries,  
Incorporated, registered in the United States and/or other countries.  
EN 61000-6-3:2001  
EN 61000-6-1:2001  
Klaus Lebherz  
Harman Consumer Group International  
Château du Loir, France 10/06  
Part No. GTOSUBOM10/06  
www.jbl.com  

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