JL Audio 300/4v2 Скачать руководство пользователя страница 13

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.

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.

Printed in China

 

300/4v2MAN-CH-03-2007

Содержание 300/4v2

Страница 1: ...se 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 yourself with its installation requirements and setup procedures If you have any questions regarding the instructions in this manual or any aspect of your amplifier s operation please contact your ...

Страница 2: ...ntinuous exposure to high sound pressure levels can lead to permanent irreparable hearing loss This and all other high power amplifiers are capable of producing such high sound pressure levels when connected to a speaker system Please limit your continuous exposure to high volume levels While driving operate your audio system in a manner that still allows you to hear necessary noises to operate yo...

Страница 3: ...v2 is a four channel full range amplifier utilizing patented Absolute Symmetry Class A B technology for all channels All channels benefit from JL Audio s exclusive R I P S power supply design which optimizes the output of each channel pair for any impedance between 1 5 and 4 ohms per channel The 300 4v2 can be operated in the following modes 1 As a full system amplifier in bi amp mode with one pai...

Страница 4: ... 300 4v2 uses a conventional 12V remote turn on lead typically controlled by the source unit s remote turn on output The amplifier will turn on when 12V is present at its Remote input and turn off when 12V is switched off If a source unit does not have a dedicated remote turn on output the amplifier s turn on lead can be connected to 12V via a switch that derives power from an ignition switched ci...

Страница 5: ...mplifier to overheat Do not do this Instead use a Y Adaptor to split the mono signal into both left and right RCA inputs 2 Filter Slope Control This switch allows you to select from two filter slopes for that channel section 12dB Configures the filter to attenuate frequencies above or below the selected filter frequency at a rate of 12 dB per octave Butterworth alignment 24dB Configures the filter...

Страница 6: ... to the rear inputs select 4ch on the Input Mode switch in the Front Input Section Res ult in this mode the user has the ability to control the absolute level of the LF channels relative to the HF channels IMPORTANT Set the rear channel Input Sens with the source unit s subwoofer level control set at 3 4 of full output See Appendix A page 14 for details Status Indicator Lights Protection Circuitry...

Страница 7: ...ear Filter Controls Select x1 on the Freq Range switch LP low pass on the Filter Mode switch and 12dB or 24dB on the Filter Slope switch and an appropriate Filter Freq 80 90 Hz is a good starting point Next turn your attention to the Front Filter Controls and select x1 on the Freq Range switch HP high pass on the Filter Type switch and 12dB or 24dB on the Filter Mode Slope switch and an appropriat...

Страница 8: ...the frequency range to be amplified by each set of channels at 3 4 source unit volume 7 Connect the AC voltmeter to the Front Speaker Outputs or Rear Speaker Outputs connectors of the amplifier If the channel pair is operating in stereo it is only necessary to measure one channel If bridged make sure you test the voltage at the correct connectors L and R 8 Increase the Input Sens control until the...

Страница 9: ...et to 21 2V Bridged 6Ω 100W x 1 set to 24 6V Bridged 4Ω 150W x 1 set to 24 6V Bridged 6Ω 100W x 1 set to 21 2V Bridged 3Ω 150W x 1 set to 21 2V Appendix C Input Sensitivity Level Setting Reference Listings 1 Define your front rear channel configuration Stereo Stereo Stereo Bridged or Bridged Bridged 2 Look in the Optimum Configurations listing for your channel configuration If it does not appear h...

Страница 10: ...ber Marking Freq Full counter clockwise 58 01 58 02 50 58 03 58 04 58 05 59 06 60 07 61 08 60 63 09 65 10 67 11 69 12 71 13 74 14 75 77 15 80 16 82 17 85 18 90 19 93 20 95 97 21 102 22 107 23 113 24 120 25 127 26 130 135 27 143 28 153 29 171 30 182 31 201 32 200 223 33 253 34 289 35 337 36 404 37 474 38 500 514 39 525 Full clockwise 542 ...

Страница 11: ...king a good connection with 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 terminal block How do I properly set the input sensitivity on my amplifier Please refer to Appendix A page 14 to set the input sensitivity for maximum low distortion output My a...

Страница 12: ...ut Voltage Input Sens Input Mode 12dB 24dB Filter Mode Off LP HP x1 x10 Low High Rear Input Section Left Ch Right Ch Input Voltage Input Sens Low High 2ch 4ch 50 60 75 95 130 200 500 300 4v2 Four Channel Full Range Amplifier Rear Filter Controls Filter Freq Hz Filter Slope Freq Range 12dB 24dB Filter Mode Off LP HP x1 x10 50 60 75 95 130 200 500 INSTALLATION NOTES Use this diagram to document your...

Страница 13: ...ties 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 ...

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