Instruction/ maintenance manual of the product GTO420 JBL
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Grand T our ing ® Ser ies GT O320, GTO420, GT O6420, GT O520, GTO620, GT O630, GT O7520, GTO920, GT O930 Owner ’ s Manual AUT OMOTIVE LOUDSPEAKERS Owners Manual 7/21/99 9:35 AM Page 2.
02 Thank you for purc hasing JBL ’ s Grand T ouring Series multielement auto- motive loudspeaker s. In order that we may better serve you should you require war ranty service on your new speak er s, please retain your original purc hase receipt and return the enclosed war ranty registration card.
03 Figure 2a. T ypical installation of the GTO320, GT O520, GT O7520, GTO920 and GT O930 speakers with gr illes as shown in Figure 1 . Bend up and down repeatedly to break off or use tin snips.
04 Figure 2b. Mounting Ears Removed Note: T o install the GTO6420 in European cars with elliptical openings, detac h the speak er from the metal adapter .
05 Front V iew Rear V iew Installation of the GTO620 and GT O630 as shown in Figures 4a, 4b, 4c and 4d. The GTO620 and GT O630 use JBL ’ s patented Intermount II ™ mounting system. Intermount II provides for easy installation of these speakers in many standard and nonstandard locations that will accommodate a 6-1/2" speaker.
06 Figure 4c. Using Intermount II ™ in European and American 165mm openings or custom-mounting the speaker as shown in Figures 4c and 4d. Figure 4d. Note: If you are mounting the speakers behind the factory door panel or grille, omit the grille and trim ring.
07 Specifications Multielement Loudspeak ers GT O320 GTO420 GT O6420 GT O520 GT O620 GT O630 3-1/2" 2-W ay 4" 2-W ay 4" x 6" 2-W ay 5-1/4" 2-W ay 6-1/2" 2-W ay 6-1/2".
JBL Consumer P roducts, 250 Crossways P ark Drive, Woodbury , NY 1 1 797 800-336-4JBL (4525) www .jbl.com Part No. GTOMEOM Made in China Declaration of Conformity We, JBL Europe A/S Kongevejen 194B DK.
An important point after buying a device JBL GTO420 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL GTO420 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JBL GTO420 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL GTO420 you will learn all the available features of the product, as well as information on its operation. The information that you get JBL GTO420 will certainly help you make a decision on the purchase.
If you already are a holder of JBL GTO420, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JBL GTO420.
However, one of the most important roles played by the user manual is to help in solving problems with JBL GTO420. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL GTO420 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
