OWNER???S MANUAL

monoblock subwoofer amplifier

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.

PROTECT 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 vehicle. Studies have shown that continuous 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 your vehicle safely (horns, sirens, etc.).

SERIAL NUMBER

In the event that your amplifier requires service or is ever stolen, you will need to have a record of the product???s serial number. Please take the time to enter that number in the space provided below. The serial number can be found on the bottom panel of the amplifier and on the amplifier packaging.

Serial Number:

INSTALLATION APPLICATIONS

This amplifier is designed for operation in vehicles with 12V, negative-ground electrical systems. Use of this product in vehicles with positive ground and/or voltages other than 12V may result in damage to the product and will void the warranty.

This product is not certified or approved for use in aircraft.

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amplifier with the outputs of a second amplifier, including an identical one.

PLANNING YOUR INSTALLATION

It is important that you take the time to read this manual and that you plan out your installation carefully. The following are some considerations that you must take into account when planning your installation.

Cooling Efficiency Considerations:

Your JL Audio amplifier employs an advanced type of heat management, called RealSink???. This feature takes advantage of convection and radiation effects to remove heat from the amplifier circuitry. For optimum cooling performance, the vertical heat sinks located at the back of the amplifier should be exposed to as large a volume of air as possible. Enclosing the amplifier in a small, poorly ventilated chamber can lead to excessive heat build-up and degraded performance. If an installation calls for an enclosure around the amplifier, we recommend that this enclosure be ventilated with the aid of a fan. In normal applications, fan-cooling is not necessary, but you still need to follow some basic guidelines:

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pointing up: Optimum

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right side up: Good

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down: Fair (not recommended if there is less than 1 inch (2.5 cm) clearance above the amplifier heat sinks)

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pointing laterally: Fair

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pointing 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.). You should also take the time to securely mount the amplifier using appropriate hardware so that it does not come loose in the event of a collision or a sudden jolt to the vehicle.

Stupid Mistakes to Avoid:

tCheck before drilling any holes in your vehicle to make sure that you will not be drilling through a gas tank, brake line, wiring harness or other vital vehicle system.

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the vehicle. This is an extremely dangerous practice which can result in severe damage to your vehicle and person.

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edges and wear by carefully routing them, tying them down and using grommets and loom where appropriate.

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compartment, under the vehicle, on the roof or in any other area that will expose the amplifier circuitry to the elements.

Chassis Ground

Connector

(pg. 5)

+12VDC Ground Remote

1000/1v2

Monoblock Subwoofer Amplifier

PRODUCT DESCRIPTION

The JL Audio 1000/1v2 is a monoblock

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is not designed for driving midrange speakers or tweeters. Every aspect of its operation has been

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For detailed specifications, please refer to Appendix B (page 15).

TYPICAL INSTALLATION SEQUENCE

The following represents the sequence for a typical amplifier installation, using an aftermarket source unit or OEM Interface processor (like the CleanSweep?? CL441dsp).

Additional steps and different procedures may be required in some applications. If you have

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JL Audio dealer for assistance.

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connection and secure the disconnected cable to prevent accidental re-connection during installation. This step is not optional!

2)Run power wire (minimum 4 AWG) from the battery location to the amplifier mounting location, taking care to

route it in such a way that it will not be damaged and will not interfere with vehicle operation. Use 2 AWG or 1/0 AWG power wire if additional amplifiers are being installed with the 1000/1v2.

3)Connect power wire to the positive battery post. Fuse the wire with an appropriate fuse block (and connectors) within 18 inches (45 cm) wire length of the positive battery post. This fuse is essential to protect the

WFIJDMF%POPUJOTUBMMUIFGVTFVOUJMUIFQPXFS wire has been connected to the amplifier.

4)Run signal cables (RCA cables) and remote turn-on wire from the source unit to the amplifier mounting location.

5)Run speaker wire from the speaker systems to the amplifier mounting location.

6)Find a good, solid metal grounding point close to the amplifier and connect the negative power wire to it using appropriate hardware. Use minimum 4 AWG power wire, no longer than 36 inches (90 cm) from the amplifier to the ground connection point. In some vehicles, it may be necessary to upgrade the battery ground wire. (See page 5 for important notice).

7)Securely mount the amplifier using appropriate hardware.

8)Connect the positive and negative power wires to the amplifier. A fuse near the amplifier is not necessary.

9)Connect the remote turn-on wire to the amplifier.

10)Connect the RCA input cables to the amplifier.

11)Connect the speaker wires to the amplifier.

12)Carefully review the amplifier???s control settings to make sure that they are set according to the needs of the system.

13)Install power wire fuse (100A for a

single 1000/1v2) and reconnect the negative battery post terminal.

14)Turn on the source unit at a low level to double-check that the amplifier is

configured correctly. Resist the temptation to crank it up until you have verified the control settings.

15)Make necessary adjustments to the input sensitivity controls to obtain the right overall output and the desired balance in the system. See Appendix A (page 14) for the recommended input sensitivity setting method.

16)Enjoy the fruits of your labor with your favorite music.

determines how much boost (in dB) you are

! I M P O RTA N T

Speaker loads below 1.5?? nominal are not recommended and may cause the amplifier output to distort excessively.

Speaker connections to the 1000/1v2 are straightforward and take place at the far right of the front panel. You will notice that there are two

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connections. This is to facilitate multiple speaker wiring. The two positive and two negative connections are connected in parallel inside

the amplifier. Connecting two speakers, each to one set of positive and negative terminals, will result in a parallel speaker connection. If only connecting one pair of speaker wires, it is not necessary to use both sets of connections.

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will cause the amplifier to go into protection and mute the output.

The 1000/1v2???s speaker connectors are designed to accept 12 AWG ??? 8 AWG wire.

To connect the speaker wires to the amplifier, first back out the set screws on the top of the amplifier, using the supplied 2.5 mm hex wrench. Strip 1/2 inch (12 mm) of insulation from each wire and insert the bare wire end into the receptacles on the front panel of the amplifier, seating them firmly so that no bare wire is exposed. While holding each wire in place, tighten each set screw firmly, taking care not to strip the head of the screw and making sure that the wire is firmly gripped by the set screw.

! I M P O RTA N T

Do NOT attempt to ???bridge??? two 1000/1v2???s or combine their output to a single load in any manner. Doing so will damage the amplifier(s).

! I M P O RTA N T

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.

OUTPUT POLARITY SWITCH

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of the mid-bass speakers and the subwoofers in a system, it can be desirable to reverse the polarity of the subwoofer system in order to produce a better transition between subwoofer and mid-bass speaker output.

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to peform this polarity inversion without removing any wires. Simply flip the switch

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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.

Subwoofer Output

Output Polarity

Normal|Reversed

MONO OUTPUT ONLY

STATUS INDICATOR LIGHTS /

PROTECTION CIRCUITRY

There are three status indicator lights on the top of the amplifier. These are as follows:

1)iPowerw (Green): lights to indicate that the amplifier is turned on and operating normally.

2)iThermalw (Red): lights to indicate that the amplifier has exceeded its safe operating temperature, putting the amplifier into a self- protection mode, which reduces the power output of the amplifier. The red light will shut off and the amplifier will return to normal, full-power operating mode if the heat sink temperature drops back to a safe level.

3)iLow ??w (Amber): lights to indicate that the impedance of the speaker load connected to the amplifier is lower than the optimum

impedance load range for the amplifier. When this light is on, a protection circuit engages and reduces the power output of the amplifier. The amber indicator will also light when a short-circuit is detected in the speaker wiring (this can be a short between the positive and negative speaker wires or between either speaker wire and the vehicle chassis).

4) ???Low V??? (Blue): lights to indicate any dip in supply voltage below 8 volts. The

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dip duration to better alert the user to the

problem. This will be accompanied by a shutdown of the amplifier (green LED will shut off) and a total loss of output.

Once the voltage rises above 9 volts, the amplifier will turn itself on. Because voltage dips occur in rapid succession, the typical behavior will be a cycling of the amplifier on and off, accompanied by flashing of the

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your system, you will need to investigate the cause of the voltage problem. This could be a bad ground on the amplifier, battery or alternator OR a faulty battery/charging system OR a problem with a fuse holder or wire connection.

If you are unsure as to the cause of the problem, please consult your JL Audio dealer or a qualified automotive electrical specialist.

Keep in mind that any large amplifier, like the 1000/1, places a very heavy demand on a vehicle???s charging system when operated at its limits.

Vehicles with weak charging systems may need to be serviced and/or upgraded to provide ample current to a system including a 1000/1.

There is only one condition that will shut down

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voltage drops below 10 volts, the entire amplifier

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on the top of the amplifier will turn off when this occurs. The amplifier will turn back on when voltage climbs back above 10 volts. This may happen in a rapid cycle when bass-heavy program material causes a weak charging system to dip below 10 volts momentarily. If this is happening in your system, have your charging system inspected to make sure it is working properly.

For information on troubleshooting this amplifier, refer to Appendix E (page 21).

SERVICING YOUR JL AUDIO AMPLIFIER

If your amplifier fails or malfunctions, please

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that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside the amplifier. The unique nature of the circuitry in the JL Audio amplifiers requires specifically

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to service the amplifier yourself or through

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void the warranty, but may result in the creation of more problems within the amplifier.

If you have any questions about the installation or setup of the amplifier not covered in this manual, please contact your dealer or technical support.

JL Audio Technical Support:

(954) 443-1100

9:00 AM ??? 5:30 PM (Eastern Time Zone)

Monday - Friday

APPENDIX A:

Input Sensitivity Level Setting

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Intelligent Power Supply (R.I.P.S.) allow delivery of their rated power when connected to any load impedance from 1.5 - 4?? per channel and when connected to a charging system with any voltage from 11 - 14.5V. This design is beneficial for many reasons. One of these reasons is ease of setup. Because each JL Audio amplifier will always deliver the same amount of power within its operational range of impedances and supply voltages, the

maximum, unclipped output is very predictable. This makes setting the gain structure via the input sensitivity controls very simple. Following the directions below will allow the user to adjust

the input sensitivity of the amplifier(s) simply and easily in just a few minutes using equipment which is commonly available in installation bays.

Necessary Equipment

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0 dB reference level in the frequency range to be amplified for that set of channels

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a midrange application). The CleanSweep??

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test tones and is available for sale at

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test tones (-10 dB, -20 dB, etc.).

The Nine-Step Procedure

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amplifier???s speaker output connectors.

2)Turn off all processing (bass/treble, loudness, EQ, etc.) on the source unit, processors (if used) and amplifier. Set fader control to center position and subwoofer level control to 3/4 of maximum (if used to feed the 1000/1v2).

3)Switch the iInput Voltagew switch to iLoww and turn the iInput Sens.w control all the way down.

4)Set the source unit volume to 3/4 of full volume. This will allow for reasonable gain overlap with moderate clipping at full volume.

5)Using the chart on this page, determine the target voltage for input sensitivity adjustment according to the nominal impedance of the speaker system connected to the amplifier outputs.

6)Verify that you have disconnected the speakers before proceeding. Play a track with an appropriate sine wave (within the frequency range to be amplified by the 1000/1v2) at 3/4 source unit volume.

7)Connect the AC voltmeter to the speaker output 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 iInput Sens.w control until the target voltage is observed with the voltmeter.

9)Once you have adjusted the 1000/1v2 to its maximum low-distortion output level, reconnect the speaker(s). The iInput Sens.w

control can now be adjusted downward if the amplifier requires attenuation to achieve the desired system balance.

! I M P O RTA N T

Do not increase any ???Input Sens.??? setting for any amplifier channel or channel pair in the system beyond the maximum level established during this procedure. Doing so will result in audible distortion and possible speaker damage.

It will be necessary to re-adjust the iInput Sens.w for the affected channels if any

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iInput Sens.w with this procedure. This applies to any EQ boost circuit, including source unit tone controls or EQ circuits. EQ cuts will not require re-adjustment.

APPENDIX B:

1000/1v2 Specifications

General Specifications:

Recommended Fuse Value: 100A

Recommended Fuse Type: ANL

Input Section:

Input Type: Differential-balanced with RCA jack inputs

Input Range: Switchable from 200mV - 2V RMS to 800mV - 8V RMS

Amplifier Section:

Amplifier Topology: H-Bridge, Class D Mono with impedance optimization and patented discrete drive circuitry

Power Supply: Pulse width modulation-regulated switching power supply

Rated Power: 1000W RMS x 1 @ 1.5 - 4?? (11 - 14.5V)

THD at Rated Power: <0.05% @ 4??, 50 Hz

Signal to Noise Ratio: >95 dB referred to rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)

Frequency Response: 5 - 250 Hz (+0, -3 dB)

Damping Factor: >500 @ 4??/50 Hz, >250 @ 2??/50 Hz

Crossover Section:

Amplifier Low-Pass Filter: State-variable, 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley with continuously variable cutoff frequency selection

from 40 - 200 Hz, defeatable

Preamp Output:

2-Channel, with fully independent, state-variable,

12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley filter with continuously variable cutoff frequency selection from 40 - 200 Hz, defeatable

Advanced Bass Control Section:

Parametric EQ: Single-band, fully parametric equalizer with ???Q??? adjustment from 0.5 - 4.0, center frequency adjustment from 20 - 80 Hz, boost adjustment from 0 to +15 dB and port for optional remote bass boost control (RBC-1), defeatable

Infrasonic Filter: Fully variable, 24 dB/octave Butterworth high-pass filter, cutoff frequency adjustable from 15 - 60 Hz, defeatable

Dimensions (LxWxH):

19.7" x 9.25" x 2.36" ( mm x 235mm x 60mm)

Due to ongoing product development, all specifications are subject to change without notice.

14 | JL Audio - 1000/1v2 Owner???s Manual

15

APPENDIX C:

Precise Frequency Selection Chart

CHART A-1

AMPLIFIER LOW-PASS FILTER

Full counter-clockwise: 42

01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 02 . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 03 . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 04 . . . . . . . . . . . ???40??? . . . . . . . . . . . .42 05 . . . . . . . . . . . . . . . . . . . . . . . . . . . .43 06 . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 07 . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 08 . . . . . . . . . . . ???45??? . . . . . . . . . . . .47 09 . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 14 . . . . . . . . . . . ???55??? . . . . . . . . . . . .57 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 19 . . . . . . . . . . . ???65??? . . . . . . . . . . . .67 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 24 . . . . . . . . . . . ???80??? . . . . . . . . . . . .83 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 29 . . . . . . . . . . .???100???. . . . . . . . . . . 108 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 36 . . . . . . . . . . .???200???. . . . . . . . . . . 193 37 . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

Full-clockwise : 198

APPENDIX D:

Master/Slave Configurations

With the flexible on-board crossovers and processing incorporated into the 1000/1v2, it is possible to connect multiple 1000/1v2???s in a

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driving its own speaker system but controlled by the processing and filtering of only one amplifier. This is very useful when driving multiple subwoofers with multiple amplifiers.

To create a Master/Slave configuration, first

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amplifier and connect the main input signal to that amplifier (from the source unit or from an

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FilterwTFDUJPOBOEiAdvanced Bass Controlw

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amplifier or amplifiers.

MASTER:

Here is the procedure for implementing a

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This will send a parallel, mono-summed signal

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section to its preamp outputs.

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amplifier???s preamp outputs to the main input

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position. This will defeat the LP filter and the

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3)The input sensitivity of the two amplifiers needs to be adjusted independently. To properly calibrate the amplifiers for maximum, identical, clean output, please refer to Appendix A (page 14). After using this procedure, you can then adjust the level of the amplifiers by adjusting the input sensitivities downward, if the amplifiers require attenuation to achieve the desired system balance. If the input sensitivities are adjusted, the amplifiers must be recalibrated to ensure identical power output levels.

Note:5IFiInput RangewTXJUDIPOBMMi4MBWFw

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of the preamp outputs of the amplifier are

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RangewDPOUSPM

4)If you would like to run a third amplifier

JOi4MBWFwDPOGJHVSBUJPO TFMFDUUIFiFull- RangewQPTJUJPOPOUIFiOutput Modew TXJUDIPGUIFGJSTUi4MBWFwBNQMJGJFS5IFO  connect an RCA cable from the first i4MBWFwBNQMJGJFSTQSFBNQPVUQVUTUPUIF TFDPOEi4MBWFwBNQMJGJFS"TZPVEJEXJUI UIFGJSTUi4MBWFwBNQMJGJFS TFUUIFTFDPOE i4MBWFwBNQMJGJFSTiAmp LP FilterwUPUIF iOffwQPTJUJPO5IFO DBMJCSBUFUIFUIJSE BNQMJGJFSTiInput RangewBOEiInput Sens.wDPOUSPMTJOUIFTBNFNBOOFSBTZPV did for the second amplifier.

Additional amplifiers may be added to this

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procedure as in step 4.

Once you match the input sensitivities of

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amplifier(s). If the remote bass control (RBC-1) is

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amplifier to control all the amplifiers in the

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The Master amplifier???s ???Advanced Bass Control???section is active and affects all three amplifiers equally.

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amplifiers are printed in gray.

SLAVE (A):

This Slave amplifier???s ???Advanced Bass Control???section and AMP LP Filter are inactive, but the Full-Range (pass- through) feature of its???Preamp Output???feeds the input of the next Slave amplifier.

SLAVE (B):

The last Slave amplifier???s ???Advanced Bass Control??? section, AMP LP Filter and ???Preamp Output???

are inactive.

Subwoofer Output

MONO OUTPUT ONLY

APPENDIX E: TROUBLE SHOOTING

???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 inspection. It is best to take the fuse out of the holder for testing. If no problem is found with the fuse, inspect the fuse-holder.

Check the integrity of the connections made to each of the i+12VDCw iGroundw BOEiRemotewUFSNJOBMT. Ensure that no wire insulation is pinched by the terminal set screw and that each connection is tight.

Check to make sure there is +12V at the ???Remote??? connection of the amplifier. In some cases, the turn-on lead from the source unit is insufficient to turn on multiple devices and the use of a relay is required. To test for this problem, jump the i+12VDCw wire to the iRemotew terminal to see if the amplifier turns on.

???I get a distorted / attenuated sound coming out of the speaker(s)???

Check the speaker wires for a possible short, either between the positive and negative leads or between either speaker lead and the vehicle???s chassis ground. If a short is present, you will experience distorted and/or attenuated output. The iLow ??w light will illuminate in this situation. It may be helpful to disconnect the speaker wires from the amplifier and use a different set of wires connected to a test speaker.

Check the nominal load impedance to verify that the amplifier is driving a load between 1.5 - 4??. JL Audio monoblock amplifiers have two ???+??? positive connections and two ????????? negative connections. This is to facilitate multiple speaker wiring. The two positive and two negative connections are connected in parallel inside the amplifier. Connecting two speakers, each to one set of positive and negative terminals, will result in a parallel speaker connection. In this case, each of the two loads should have a nominal

impedance between 3 - 8??.

Check the input signal and input signal cables to make sure signal is present at the ???Amplifier Inputs??? and the cables are not pinched or loose. It may be helpful to try a different set of cables and/or a different signal source to be sure.

???My amplifier???s output fluctuates when I tap on it or hit a bump???

Check the connections to the amplifier. Make sure that the insulation for all wires has been stripped back far enough to allow a good contact area inside the terminal block.

Check the input connectors to ensure that they all are making good contact with the input jacks on the amplifier.

???My amplifier shuts off once in a while, usually at higher volumes???

Check your voltage source and grounding point. The power supply of the 1000/1v2 will operate with charging system voltages down to 10V. Shutdown problems at higher volume levels can occur when the charging system voltage drops below 10V. These dips can be of very short duration making them

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To ensure proper voltage, inspect all wiring and termination points. It may also be necessary to upgrade the ground

wire connecting the battery to the vehicle???s chassis and the power wire connecting the alternator to the battery. Many vehicles employ small (10 AWG - 6 AWG) wire to ground the battery to the vehicle???s chassis and to connect the alternator to the battery. To prevent voltage drops, these wires should be upgraded to 4 AWG when installing amplifier systems with main fuse ratings above 60A. Grounding problems are the

leading cause of misdiagnosed amplifier ???failures.???

???My amplifier turns on, but there is no output???

Check the input signal using an AC voltmeter to measure the voltage from the source unit while an appropriate test tone is played through the source unit (disconnect the input cables from the amplifier prior to this test). The frequency used should be in the range that is to be amplified by the amplifier

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range / high-pass application). A steady, sufficient voltage (between 200mV and 8.0-volts) should be present at the output of the signal cables.

Check the output of the amplifier. Using the procedure explained in the previous check item (after plugging the input cables back into the amplifier) test for output at the speaker outputs of the amplifier. Unless you enjoy test tones at high levels, it is a good idea to remove the speaker wires from the amplifier while doing this. Turn the volume up approximately half way. 5V or more should be measured at the speaker outputs. This output level can vary greatly between amplifiers but it should not be in the millivolt range with the source unit at half volume. If you are reading sufficient voltage, check your speaker connections as explained below.

Check to ensure that the speaker wires are making 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.

INSTALLATION NOTES:

Use this diagram to document your amplifier???s switch and control positions.

Subwoofer Output

MONO OUTPUT ONLY

LIMITED WARRANTY - AMPLIFIERS (USA)

+-"6%*0XBSSBOUTUIJTQSPEVDUUPCFGSFFPGEFGFDUTJONBUFSJBMTBOEXPSLNBOTIJQGPSBQFSJPEPG ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if

JOTUBMMBUJPOJTQFSGPSNFEPSBQQSPWFECZBOBVUIPSJ[FE+-"6%*0EFBMFS QSPPGPGJOTUBMMBUJPOPSBQQSPWBM required on purchase receipt).

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accident, misuse, abuse, product modification or neglect, failure to follow installation instructions,

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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:

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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

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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.

1000/1v2MAN-CH-03-2007