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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 (Eastern Time Zone).

JL AUDIO 

1000/1 

monoblock subwoofer amplifier

o w n e r ’ s   m a n u a l

Summary of Contents for 1000/1

Page 1: ...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 ...

Page 2: ... using grommets and loom where appropriate Do not mount the amplifier in the engine compartment under the vehicle on the roof or in any other area that will expose the amplifier circuitry to the elements JL AUDIO 1000 1 3 Infrasonic Filter Defeat Switch pg 9 Preamp Output Filter Slope Selector pg 8 Input Sensitivity Control pg 7 Selects Output Filter Cutoff Frequency pg 8 Selects Infrasonic Filter...

Page 3: ...L Audio 1000 1 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 Appendix E page 21 TYPICAL INSTALLATION SEQUENCE T...

Page 4: ...he slope which best matches the acoustic requirements of your system Hint A trunk mounted sub whose output has to fight through a rear deck or a back seat often benefits from the 12 dB octave slope which lets more upper bass content pass through A sub that fires directly into the listening environment is more likely to benefit from a 24 dB octave slope JL AUDIO 1000 1 7 REMOTETURN ON The 1000 1 us...

Page 5: ...slave arrangement as shown in Appendix C page 16 If you are using an external active crossover and would like to use the Advanced Bass Control features set the Amp LP Filter switch on 12dB and rotate the frequency selection knob fully clockwise to the 200 Hz position This will activate the LF Boost and Infrasonic Filter controls without significantly affecting the crossover point selected by the e...

Page 6: ...1 SUBWOOFER OUTPUT The 1000 1 employs JL Audio s exclusive Regulated Intelligent Power Supply R I P S design This sophisticated power supply allows the amplifier to produce its optimum power 1000 watts x 1 over a wide range of speaker impedances Unlike conventional amplifiers that require a specific impedance to produce optimum power the R I P S equipped 1000 1 gives you the freedom to use a varie...

Page 7: ... 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 23 39 24 42 25 40 47 26 ...

Page 8: ...tage to Low and turn the Input Sens control on the amplifier all the way down 4 Set the source unit volume to 3 4 of full volume If the amplifier is being driven by a source unit s dedicated subwoofer output also adjust the source unit s subwoofer level control to 3 4 of maximum output This will allow for reasonable gain overlap with moderate clipping at full volume 5 Using the chart below determi...

Page 9: ... master slave chain APPENDIX C Master Slave Configurations With the flexible on board crossovers and processing incorporated into the 1000 1 it is possible to connect multiple 1000 1 s in a Master Slave configuration with each amplifier 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 multi...

Page 10: ...ections as explained above continued on next page MY AMPLIFIER DOESN TTURN ON 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 12V wire to the Remote terminal to see if the amplifier turns on If this does not w...

Page 11: ...y 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...

Page 12: ...JL AUDIO 1000 1 23 Low High 22 JL AUDIO 1000 1 INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions ...

Page 13: ...ed 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 cop...

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