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LIMITED WARRANTY - AMPLIFIERS (USA)

JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of 

ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if 
installation is performed or approved by an authorized JL AUDIO dealer (proof of installation or approval 
required on purchase receipt).

This warranty is not transferrable and applies only to the original purchaser from an authorized 

JL AUDIO dealer. Should service be necessary under this warranty for any reason due to manufacturing 
defect or malfunction, JL AUDIO will (at its discretion), repair or replace the defective product with new 
or remanufactured product at no charge. Damage caused by the following is not covered under warranty: 
accident, misuse, abuse,  product modification or neglect, failure to follow installation instructions, 
unauthorized repair attempts, misrepresentations by the seller. This warranty does not cover incidental 
or consequential damages and does not cover the cost of removing or reinstalling the unit(s). Cosmetic 
damage due to accident or normal wear and tear is not covered under warranty.

Warranty is void if the product’s serial number has been removed or defaced. 

Any applicable implied warranties are limited in duration to the period of the express warranty as 

provided herein beginning with the date of the original purchase at retail, and no warranties, whether 
express or implied, shall apply to this product thereafter. Some states do not allow limitations on implied 
warranties, therefore these exclusions may not apply to you. This warranty gives you specific legal rights, 
and you may also have other rights which vary from state to state.

If you need service on your JL AUDIO product:

All warranty returns should be sent to JL AUDIO ’s Amplifier Service Facility freight-prepaid through 

an authorized JL AUDIO dealer and must be accompanied by proof of purchase (a copy of the original 
sales receipt). Direct returns from consumers or non-authorized dealers will be refused unless specifically 
authorized by JL AUDIO with a valid return authorization number.

Warranty expiration on products returned without proof of purchase will be determined from the 

manufacturing date code. Coverage may be invalidated as this date is previous to purchase date. Non-
defective items received will be returned freight-collect. Customer is responsible for shipping charges and 
insurance in sending the product to JL AUDIO. Freight damage on returns is not covered under warranty.

For Service Information in the U.S.A. please call

JL Audio Customer Service

: (954) 443-1100 

9:00 AM – 5:30 PM (Eastern Time Zone)

JL Audio, Inc

10369 North Commerce Pkwy.

Miramar,  FL 33025

(do not send product for repair to this address)

International Warranties: 

Products purchased outside the United States of America are covered only 

by that country’s distributor and not by JL Audio, Inc.

 

A6450MAN-10-2006

Absolute Symmetry™ Class A/B Amplifier Circuit is covered by U.S. Patent #6,294,959 and is pending in the 
countries listed below. 

 

Austria, Belgium, Brazil, Canada, China, France, Germany, Indonesia, Italy, Japan, Republic of Korea, 

Mexico, Netherlands, Norway, Russian Federation, Singapore, Sweden, Switzerland, United Kingdom, and all other PCT countries.

Summary of Contents for A6450

Page 1: ...and installation equipment to ensure optimum performance from this product Should you decide to install the amplifier yourself please take the time to read this manual thoroughly so as to familiarize...

Page 2: ...T YOUR HEARING We value you as a long term customer For that reason we urge you to practice restraint in the operation of this product so as not to damage your hearing and that of others in your vehic...

Page 3: ...re into the terminal block seating it firmly so that no bare wire is exposed While holding the wire in the terminal tighten the set screw firmly taking care not to strip the head of the screw and maki...

Page 4: ...is useful for systems utilizing outboard crossovers or requiring full range reproduction from one or more of the A6450 s channel pairs JL AUDIO A6450 7 INPUT SECTION The A6450 s input section allows y...

Page 5: ...nputs This option is useful when using a pair of the A6450 s channels to drive left channel speakers only and the other pair of the A6450 s channels to drive right channel speakers only 2 Left Right C...

Page 6: ...econd stereo pair of source unit outputs is connected to the CH 5 Left and CH 6 Right inputs select Discrete on the Input Mode switch in the Channel 5 6 Controls section Result in this mode the user h...

Page 7: ...cated subwoofer output is connected to the CH 5 Left and CH 6 Right inputs select Discrete on the Input Mode switch in the Channel 5 6 Controls section Result in this mode the user has the ability to...

Page 8: ...to be amplified for that set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application Do not use attenuated test tones 10 dB 20 dB etc The Nine Step Procedure 1 Disconnect the speake...

Page 9: ...the metal inside the terminal block The speaker wire connectors are designed to accept up to 8 AWG wire Make sure to strip the wire to allow for a sufficient connection with the metal inside the termi...

Page 10: ...JL AUDIO A6450 19 18 JL AUDIO A6450 INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions...

Page 11: ...ied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on yo...

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