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Welcome to Club GTi

Thank you for purchasing the finest

Automotive Component Systems JBL has
ever produced. As a GTi Competition
Series owner, you are a member of a
select group of people who enjoy the most
advanced mobile audio products available.
We call this group “Club GTi.” By sending
in the customer information card, which
you will find attached to your warranty, we
will automatically register you as a Club
GTi member which will give you access to
exclusive Club GTi apparel and other
special offers we will make available from
time to time. We suggest you fill the card
out at your earliest convenience.

Also, be sure to save your sales

receipt in a safe place. It will be necessary
to use this document as proof of purchase
in the event that you ever need warranty
service. It is also useful for insurance
purposes and for establishing value when
you re-sell your vehicle. 

About This Manual

Because of the performance capability

of your GTi Competition Series product,
and the variety of potential system
configurations, we strongly recommend
that you have the system professionally
installed. You will also get a better warranty
if your equipment is professionally installed
by an authorized GTi dealer and you have
your warranty card stamped. This manual
provides information on installation and
usage to help a skilled technician get the
most from your GTi Competition Series
product. This manual does not cover basic
information about installation which is
common knowledge to a professional
installer, except for information which is
unique to the 408 and 508GTi systems.

If you feel you possess the necessary

skills, and prefer to install the equipment
yourself, this manual will provide you with
the necessary specifics to properly use the
408 or 508GTi in typical installations.
Consult your JBL dealer, or a qualified
technician, for more information.

Autosound at its Best

The 408 and 508GTi systems are built

to meet the same rigorous standards of
construction and performance that have
long established JBL’s renowned home
and professional speaker systems. The
408 and 508GTi Woofer/Midranges
incorporate advanced JBL woven Kevlar
cones which are especially suited to the
unique acoustic and environmental
conditions which characterize automotive
sound. The 408 and 508GTi Tweeter
incorporates advanced JBL pure titanium
technology which is especially suited to
the unique acoustic environment of
modern vehicles. The 408 and 508GTi
have been engineered to provide excellent
power handling, good dispersion and
balanced frequency response, along with
minimum size and flexible installation
options for optimizing placement within the
vehicle.

The small size of the GTi Drivers is

made possible through the use of a
Neodymium magnet assembly with JBL’s
Stray Field Containment Geometry. By

3

408/508 MANUAL.QXP  7/17/98 11:21 AM  Page 3

Содержание 408GTI

Страница 1: ......

Страница 2: ...3 3 3 4 5 5 6 6 7 8 8 9 10 11 12 12 13 14 14 14 16 17 19...

Страница 3: ...Ti systems are built to meet the same rigorous standards of construction and performance that have long established JBL s renowned home and professional speaker systems The 408 and 508GTi Woofer Midra...

Страница 4: ...se to be completely optimized for each combination What does all this technology add up to A system with ideal frequency response excellent off axis response and high output capability all in a small...

Страница 5: ...Because of the high acoustic energy capability of the 408 and 508GTi the woofer midrange drivers must be securely mounted in a rigid panel which is free from resonances rattles and air leakage Install...

Страница 6: ...ons drill holes and secure the bottom cover to the desired mounting location as shown in Figure B Before starting make sure no electrical or other critical car components are located where you will be...

Страница 7: ...to the speaker see Figure K for wiring details 4 Put the speaker Fabric Displacement Ring under the speaker as shown in Figure D 5 Attach the foam gasket to the back of the woofer midrange Connect th...

Страница 8: ...be run to this location work best Drill the holes as template in the desired tion Use three 3 4 mounting screws to secure the mounting plate in place as shown in Figure F b Run wire from the 408 and...

Страница 9: ...9 D C Figure G WEETER SURFACE ANGLE INSTALLATION...

Страница 10: ...e to the Flush sing three 5 16 screws peaker wire from the he tweeter see Figures I g sure to observe correct weeter down onto the e making sure to line up the with the slots in the tweeter eeter cloc...

Страница 11: ...11 Figure J E TER FLUSH ANGLE NSTALLATION...

Страница 12: ...t you tion both ways and leave it in at gives the smoothest audible ween the woofer midrange and n the tweeter and woofer ers are mounted close to e in phase connection will he best sound Crossover Tw...

Страница 13: ...ssover points away from the range where your hearing is most sensitive Therefore we recommend that you try to keep the high pass frequency below 250Hz This lets the 408 or 508GTi reproduce the entire...

Страница 14: ...r This margin of reserve power will ensure that the amplifier will not attempt to deliver more power than its design allows Your dealer will be happy to point out which high power JBL amplifiers are o...

Страница 15: ...15...

Страница 16: ...200 Watts 91dB 4 Ohms mm 51 8 130mm mm 23 8 60mm mm 21 16 53mm mm 43 4 121mm 0mm 1 15 16 50mm mm 11 16 18mm mm 11 2 38mm mm 21 8 54mm mm 15 16 23mm 33 16 x19 16 510 16 x 3 3 16 x 19 16 x 81mm x 40mm...

Страница 17: ...ches 3 2mm 0 126 inches 3 2mm hms 3 4 ohms mH 1kHz 0 22mH 1kHz hes 51mm 2 inches 51mm inches 10 2mm 0 400 inches 10 2mm inches 5 1mm 0 200 inches 5 1mm M 6 2 T M oz 8 0 grams 0 32 oz 9 0 grams od of a...

Страница 18: ...19 s angled rection Drill 3 32 2 9mm hole in two places Drill 11 32 8 7mm holes for wire feed through TWEETER SURFACE ANGLE MOUNT TEMPLATE...

Страница 19: ...21 Drill 3 32 2 4mm holes for mounting screw Drill 11 32 8 7mm holes for wire feed through TWEETER MOUNTING PLATE TEMPLATE...

Страница 20: ...23 Cut Hole Using 21 8 21 4 54mm hole saw TWEETER FLUSH MOUNT TEMPLATE...

Страница 21: ...UTOMOTIVENEO COMPONENTSYST INSTALLATIONGU JBL Consumer Products Inc 80 Crossways Park West Woodbury NY 11797 8500 Balboa Blvd Northridge CA 91329 1 800 336 4JBL A Harman International Company NMGP N 3...

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