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 |  JL Audio - 1000/1

v2

 Owner’s Manual  

3

Selects Output Filter 

Cutoff Frequency

(pg. 8)

Selects Infrasonic

Filter Cutoff 

Frequency

(pg. 9)

Selects Low-Pass

Filter Frequency for

Amplifier Channel

(pg. 8)

Left and Right 

Preamp Output Jacks

(pg. 8)

Left and Right

Input Jacks

(pg. 6)

Bass EQ

Defeat Switch

(pg. 9)

Jack for

Remote Bass 

Control Knob

(pg. 9)

Infrasonic Filter

Defeat Switch

(pg. 9)

Preamp Output 

Filter Slope 

Selector

(pg. 8)

Input Sensitivity 

Control

(pg. 7)

Parametric EQ 

"Q" (Bandwidth 

Selection Control

(pg. 9)

Positive

Subwoofer

Outputs

(pg. 10)

Input Voltage 

Range Selector

(pg. 6)

Preamp Output 

Mode Selector

(pg. 8)

Amplifier Low-Pass 

Filter Slope

Selection / Defeat

(pg. 7)

Reverses Polarity 

of Amp Output

(pg. 10)

Selects Low-Pass 

or High-Pass Mode 

for Output Filter

(pg. 8)

Parametric EQ 

Center Frequency 

Selection Control

(pg. 9)

Parametric EQ 

Boost Control

(pg. 9)

Negative

Subwoofer

Outputs

(pg. 10)

Remote Turn-On 

Connector

(pg. 6)

Chassis Ground 

Connector

(pg. 5)

+12 V Power 

Connector

(pg. 5)

+12VDC

Ground Remote

Preamp Output Section

Infrasonic Filter

“Q”

Center Freq.

Boost (dB)

Amp LP Filter

Advanced

Bass

Control

Amplifier Input Section

Subwoofer 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

100

200

0.5

0.7

1.1

1.6

2.7

4.3 20

25

35

45

55

70

80

0

+4

+10

+13

+15

1000/1

v2

Monoblock Subwoofer Amplifier

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:
•  Amplifier mounted vertically with heat sink fins 

pointing up: Optimum

•  Amplifier mounted horizontally,  

right side up: Good

•  Amplifier mounted horizontally, but upside 

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

•  Amplifier mounted vertically with heat sink fins 

pointing laterally: Fair

•  Amplifier mounted vertically with heat sink fins 

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: 
•  

Check 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.

•  Do not run system wiring outside or underneath 

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

•  Protect all system wires from sharp metal  

edges and wear by carefully routing them,  
tying them down and 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.

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.

Do not attempt to “bridge” the outputs of this 

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.

 

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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