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Thank you for purchasing a JL Audio amplifier for  

your automotive sound system. 

Your amplifier has been designed and manufactured to exacting 

standards in order to ensure years of musical enjoyment in your vehicle. 

For maximum performance and extended warranty  

coverage, we highly recommend that you have your new amplifier 

installed by an authorized JL Audio dealer.  Your authorized  

dealer has the training, expertise 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 

authorized JL Audio dealer for assistance. If you need further assistance, 

please call the JL Audio Technical Support Department  

at (954) 443-1100 during business hours.

owner’s manual

monoblock subwoofer amplifier

Summary of Contents for 1000/1v2

Page 1: ...tise 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 you...

Page 2: ...g down Poor not recommended If mounting the amplifier under a seat make sure there is at least 1 inch 2 5 cm of space above the amplifier s outer shell to permit proper cooling Safety Considerations Your amplifier needs to be installed in a dry well ventilated environment and in a manner which does not interfere with your vehicle s safety equipment air bags seat belt systems ABS brake systems etc ...

Page 3: ...fuse for each 1000 1v2 Product Description The JL Audio 1000 1v2 is a monoblock subwoofer amplifier utilizing proprietary and patented Class D technology Its frequency response is limited to the range below 250 Hz It is not designed for driving midrange speakers or tweeters Every aspect of its operation has been optimized for low frequency amplification For detailed specifications please refer to ...

Page 4: ...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 circuit The 1000 1 s Remote turn on connector is designed to accept 12 AWG 8 AWG wire 12 AWG is more than adequate for this purpose To connect the remote turn on wire to the...

Page 5: ...itches set to Low See Appendix D page 18 for details CROSSOVER CONTROLS Crossovers are groups of individual electronic filters which allow only certain frequency ranges to pass through them by attenuating frequencies outside the selected range These filters allow the user to specify what frequency range will be sent out of each channel section of the amplifier This in turn allows each speaker syst...

Page 6: ... s or combine their output to a single load in any manner Doing so will damage the amplifier s IMPORTANT Before reconnecting the battery ground and turning the system on verify that all control settings on the amplifier are set according to the needs of the system ADVANCED Bass Control Section The 1000 1v2 includes a versatile bass processing section consisting of two primary components a fully va...

Page 7: ...and mid bass speaker output The Output Polarity switch allows you to peform this polarity inversion without removing any wires Simply flip the switch from the Normal to the Reversed position Experiment with this switch to determine which polarity produces the best overall bass performance in your system listening in particular to the mid bass smoothness and impact to make your determination ier In...

Page 8: ...easily in just a few minutes using equipment which is commonly available in installation bays Necessary Equipment Digital AC Voltmeter CD with a sine wave test tone recorded at 0 dB reference level in the frequency range to be amplified for that set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application The CleanSweep Calibration Disc contains the appropriate test tones and is a...

Page 9: ...4 20 67 21 69 22 72 23 75 24 80 78 25 82 26 86 27 90 28 95 29 100 100 30 107 31 113 32 122 33 131 34 143 35 156 36 200 169 37 186 38 192 39 197 Full clockwise 197 CHART A 3 INFRASONIC FILTER Detent Panel Actual Number Marking Freq Full counter clockwise 14 01 14 02 14 03 14 04 15 14 05 15 06 15 07 16 08 18 17 09 17 10 18 11 19 12 20 13 20 14 25 21 15 22 16 24 17 25 18 27 19 28 20 30 30 21 33 22 35...

Page 10: ...ster amplifier s Output Mode switch to the center Amp Filter position This will send a parallel mono summed signal from the Master amplifier s Amp LP Filter section to its preamp outputs 2 Connect an RCA cable from the Master amplifier s preamp outputs to the main input of the first Slave amplifier Set the Slave amplifier s Amp LP Filter to the Off position This will defeat the LP filter and the b...

Page 11: ...ient 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 amplifier doesn t turn on Check the fuse not just visually but with a continuity meter It is possible for a fuse to have poor internal connections that cannot be found by visual insp...

Page 12: ...fer Output MONO OUTPUT ONLY Left Output Right Output Left Ch Right Ch Filter Freq Hz Filter Freq Hz Infrasonic Freq Hz Remote Bass Port Full Range Amp Filter Out Filter Output Mode Filter Slope Mode Mode Slope Input Voltage Input Sens Output Polarity 12dB 24dB Filter Mode LP HP Bass EQ Off On Off 12dB 24dB Low High Normal Reversed Off On 40 45 55 65 85 120 200 15 18 25 30 40 50 60 40 45 55 65 80 1...

Page 13: ...d 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...

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