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408GTi  508GTi
AUTOMOTIVE NEO
COMPONENT SYST
INSTALLATION GU

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:306385-001

5/94

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

Summary of Contents for 408GTI

Page 1: ......

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 15: ...15...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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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