JL Audio 500-1v2 User Manual

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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) 443-1100during business hours.

Protect Your Hearing!

We value you as a long-termcustomer. 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 otherhigh-poweramplifiers 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-groundelectrical 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.

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-upand 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-coolingis 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-ventilatedenvironment 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 | JL Audio - 500/1v2 Owner’s Manual

3

Product Description

The JL Audio 500/1v2 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 beenoptimized for low-frequency amplification.

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 any questions, please contact your authorized

JL Audio dealer for assistance.

1) Disconnect the negative battery post 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 500/1v2.

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 vehicle. Do not install the fuse until the power wire has been connected to the amplifier.

4) Run signal cables (RCA cables) and remote turn-onwire 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-onwire

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 (50A for a

single 500/1v2) and reconnect the negative battery post terminal.

14)Turn on the source unit at a low level to double-checkthat 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.

Power Connections

 

Before installing the amplifier,

The ground connection should be made

disconnect the negative (ground) wire

using 4 AWG wire and should be kept as short

from the vehicle’s battery. This will prevent

as possible, while accessing a solid piece of sheet

accidental damage to the system, the vehicle

metal in the vehicle. The surface of the sheet

and your person during installation.

metal should be sanded at the contact point

 

 

 

to create a clean, metal-to-metalconnection

 

 

 

between the chassis and the termination of

 

+12VDC Ground Remote

 

 

 

the ground wire. The use of a star washer to

 

 

 

lock down the connection is advisable.

 

 

 

Any wires run through metal barriers (such as

 

500/1v2

firewalls), must be protected with a high quality

 

insulating grommet to prevent damage to the

 

Monoblock Subwoofer Amplifier

 

 

 

insulation of the wire. Failure to do so may result

 

 

 

in a dangerous short circuit.

 

 

 

The 500/1v2’s “+12 VDC” and “Groundconnections are designed to accept 8 AWG -

4 AWG power wire. 4 AWG is a minimum power wire size for this amplifier.

If you are installing the 500/1v2 with other amplifiers and wish to use a single main power wire, use 2 AWG or 1/0 AWG main power wire (depending on the overall current demands of all the amplifiers in the system). This 2 AWG or 1/0 AWG power wire should terminate into a distribution block mounted as close to the amplifiers as possible and should connect to the 500/1v2 with 4 AWG power wire.

Note: that smaller AWG numbers mean bigger wire andvice-versa(1/0 AWG is the largest,

2 AWG is smaller, then 4 AWG, then

8 AWG, etc.).

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

of the screw.

! IMPORTANT

Many vehicles employ small (10 AWG - 6 AWG) wire to ground the battery to the

vehicle chassis and to connect the alternator’s positive connection to the battery. To prevent voltage drops, these wires should  be upgraded to 4 AWG (or larger) when installing amplifier systems with total fuse ratings exceeding 60A.

Fuse Requirements

It is absolutely vital that the main power lead to the amplifier(s) in the system be fused within 18 inches (45 cm) of the positive battery post connection. The fuse value at each power wire should be high enough for all of the equipment being run from that power wire.

If only the 500/1v2 is being run from that power wire, we recommend a 50A fuse be used. AGU (big glass fuse) or MaxiFuse™ (big plastic-bodyfuse) types are recommended.

No fuse is required directly before the amplifier power connection. If one is desired, we recommend the use of a 50A AGU fuse or MaxiFuse™ type.

4 | JL Audio - 500/1v2 Owner’s Manual

5

Turn-OnOptions

 

 

 

 

 

!

 

 

IMPORTANT

 

 

 

 

 

 

 

 

 

 

2) Signal Sensing Turn-OnMethod:A valuable

You cannot use the turn-onoutput to turn on

 

 

 

 

The 500/1v2 can be turned on and off using

 

The amplifier will operate with only one input

two different methods:

 

feature of the 500/1v2 is its ability to be turned

processors that are in the signal path before the

connection (left or right), but will require an

 

 

 

 

on and off by the presence or lack of signal at

500/1v2. (Signal will not pass through most

increase in input sensitivity to overcome the loss

1) A conventional +12V remoteturn-onlead.

 

its audio inputs. This allows you to operate the

processors when they are not powered up,

of signal. If a mono input signal is to be run, we

2) A signal sensingturn-oncircuit.

 

amplifier without having to locate a remote

meaning that the amplifier will not turn on

recommend that you use a “Y-adaptor”like the

 

 

 

 

turn-onlead at the source unit. This can be

until that processor is active).

JL Audio ECS model XB-CLRAICY-1F2Mto split

 

 

 

 

very useful if interfacing the amplifier with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the mono signal into both inputs of the amplifier.

 

+12VDC Ground Remote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

some OEM source units that do not have

AMPLIFIER Input Section

 

 

 

 

 

 

 

 

conventional turn-onleads.

 

The 500/1v2 employs a differential-balanced

2) Input Voltage Range: A wide range of

 

 

 

 

 

 

 

input topology that provides the user with a high

 

signal input voltages can be accommodated

 

 

 

 

 

 

 

degree of input flexibility while retaining superior

 

by the 500/1v2’s input section (200mV – 8V).

 

500/1v2

 

!

IMPORTANT

 

 

 

 

 

noise rejection. This type of circuit also allows

 

This wide range is split up into two sub-

 

Monoblock Subwoofer Amplifier

 

 

 

 

The sensitivity of the signal sensing turn-on

 

 

 

 

the 500/1v2 to accept high-voltageinputs from

 

ranges, accessible via switches located in the

 

 

 

circuit has been designed for high-level

factory source unit outputs without excessive

 

Amplifier Input Section” of the amplifier.

 

 

 

 

 

 

 

(speaker level) signals, not for low-level

distortion or noise problems.

 

The “Low” position on the “Input Voltage

To select between the two modes there is a

(preamp level) signals. Using this feature with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch selects an input sensitivity range

switch, marked “Signal Sensing”, located in the

low-level(preamp level) signals is not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

between 200mV and 2V. This means that

Amplifier Input Section” of the front panel.

recommended. We do not recommend this

 

 

 

 

Filter

 

 

 

Amplifier Input Section

 

 

 

the “Input Sens.” rotary control will operate

 

 

 

 

 

 

 

 

 

Slope

 

Input Voltage

Input Sens. Signal Sensing

 

 

 

 

 

 

 

method of turning the amplifier on and off as a

 

 

 

 

 

 

within that voltage window. If you are using

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1) Conventional Remote Turn-OnMethod:

default. Whenever possible, use the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

an aftermarket source unit, with conventional

 

 

B | 24dB

 

 

Low | High

 

 

Off | On

 

 

 

uses a conventional +12V remote turn-on

conventional remote turn-onlead method. The

80

 

 

 

 

 

 

 

 

 

 

 

 

 

preamp-leveloutputs, this is most likely the

lead, typically controlled by the source unit’s

signal sensing circuit is designed to detect

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

M

 

position that you will use. The “High” position

remote turn-onoutput. The amplifier will

midrange frequency signal presence. If the

200

 

 

 

 

 

 

 

 

 

 

 

 

 

on the “Input Voltage” switch selects an input

turn on when +12V is present at its “Remote

signal feeding the amplifier is not full-range

 

 

q. (Hz)

 

 

Left Ch.

Right Ch.

 

 

 

sensitivity range between 800mV and 8V. This

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

input and turn off when +12V is switched

(for example, if there is an active low-pass

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is useful for certain high-outputpreamp level

off. If a source unit does not have a dedicated

crossover in line before the amplifier), this

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

signals as well as speaker-leveloutput from

remote turn-onoutput, the amplifier’s turn-

circuit will not operate properly.

1) Input Connections: A standard left/right pair

 

source units and small amplifiers. To use

on lead can be connected to +12V via a switch

 

 

 

 

 

of RCA type jacks is used for input on

 

speaker-levelsources, splice the speaker output

that derives power from an ignition-switched

 

To activate the signal sensing turn-onfeature,

 

the 500/1v2. You may run a stereo or a mono

 

wires of the source unit or small amplifier

circuit. To use this method, select “Off” on

place the “Signal Sensing” switch in the “On

 

signal into the inputs of the amplifier. The

 

onto a pair of RCA cables or plugs or use the

the “Signal Sensing” switch in the “Amplifier

position. This should only be done if there is

 

amplifier’s input section automatically sums

 

JL Audio ECS Speaker Wire to RCA adaptor

Input Section”. The 500/1v2’s “Remote

no conventional turn-onlead connected to the

 

stereo signals to mono for the internal

 

(XB-CLRAIC2-SW).

turn-onconnector is designed to accept 12

amplifier’s “Remote” connector. When in the

 

amplifier section and for the “LP” “Filter

 

 

 

 

AWG – 8 AWG wire. 12 AWG is more than

On” position, the signal sensing circuit will

 

Mode” of the “Preamp Output” section.

 

 

 

 

 

 

!

IMPORTANT

 

adequate for this purpose. To connect the

monitor the audio input signal and turn the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The output of the amplifier will decrease

remote turn-onwire to the amplifier, first back

amplifier on when signal is present. After about

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!

IMPORTANT

 

 

 

 

 

 

out the set screw on the top of the amplifier,

25 seconds of no signal, the amplifier will shut off.

 

 

 

for a given input voltage when the “Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

using the supplied hex wrench. Strip 1/2

 

Turning on other amplifiers in signal sensing

If you plan to use the “Preamp Output” in

Range” switch is placed in the “High” position.

inch (12mm) of wire and insert the bare wire

mode: When the signal sensing circuit is turned

“Full-Range”or “HP” mode to feed a stereo

Conversely, the output will be higher with

into the receptacle on the front panel of the

on, the “Remote” Connector on the amplifier

amplifier, you must connect a stereo signal to

the switch in the “Low” position. While this

amplifier, seating it firmly so that no bare wire

may be used as a remote turn-onsource for other

the input of the amplifier. A mono signal into

may sound counter-intuitive,it is correct

is exposed. Smaller wire than 12 AWG can be

amplifiers in the system. +12V will be present

the amplifier will result in a mono signal out of

as described.

used, but it may be necessary to strip 1 inch

at the connector when the amplifier turns on in

the preamp output. (It’s a great amplifier, but it

 

 

 

 

of insulation from the wire and fold the bare

signal sensing mode and will not be present when

doesn’t do magic).

 

 

 

 

wire in half prior to insertion. While holding

the amplifier turns off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the wire in the terminal, tighten the 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.

6 | JL Audio - 500/1v2 Owner’s Manual

7

 

Amplifier Low-PassFilter

3) Input Sensitivity Adjustment: Located

The 500/1v2 employs a sophisticated, state-

next to the “Input Voltage” switch, in the

variable, low-passactive filter for its internal

Amplifier Input Section”, is a rotary control

channel. This feature is designed to attenuate

labeled “Input Sens.”. Once the appropriate

frequencies above its filter frequency, so that the

Input Voltage” range has been selected, this

system’s subwoofers do not reproduce any audible

rotary control can be used to match the source

midrange content.

 

unit’s output voltage to the input stage of the

 

 

 

 

amplifier for maximum clean output. Rotating

(dB)

Amp LP Filter

Input V

the control clockwise will result in higher

+13

Mode | Slope

 

0

 

 

 

sensitivity (louder for a given input voltage).

+15

Off | 12dB | 24dB

Low |

Rotating the control counter-clockwisewill

 

 

65

 

result in lower sensitivity (quieter for a given

nced

55

80

 

45

100

 

input voltage). To properly set the amplifier

 

 

ol

40

200

 

for maximum clean output, please refer to

 

Filter Freq. (Hz)

Left

Appendix A (page 14) in this manual. After

 

 

 

 

using this procedure, you can then adjust

 

 

 

 

the level of the amplifier by adjusting the

1) Filter Operation: Thelow-passfilter in the

input sensitivity downward, if the amplifier

500/1v2 is fully variable between 40 Hz and

requires attenuation to achieve the desired

200 Hz via the “Filter Freq.” control knob

system balance. Do not increase the “Input

and features the ability to select between a

Sens.” setting for any amplifier in the system

moderate “12dB” per octave or a steep “24dB

beyond the maximum level established during

per octave slope via the “Mode/Slope” switch.

the procedure outlined in Appendix A (page

Depending on the subwoofer system and the

14). Doing so will result in audible distortion

vehicle, different slopes may be required to

and possible speaker damage.

produce a smooth transition to the mid-bass

 

speakers in the system. Experiment to find

CROSSOVER CONTROLS

the slope which best matches the acoustic

Crossovers are groups of individual electronic

requirements of your system.

filters which allow only certain frequency

 

 

 

 

ranges to pass through them by attenuating

Tuning Hint: A trunk mounted sub whose

frequencies outside the selected range. These

output has to "fight" through a rear deck or a

filters allow the user to specify what frequency

back seat often benefits from the 12 dB/octave

range will be sent out of each channel section

slope which lets more upper bass content

of the amplifier. This, in turn, allows each

pass through. A sub that fires directly into

speaker system to only reproduce a range of

the listening environment is more likely

frequencies it is well-suitedfor, resulting in

to benefit from a 24 dB/octave slope.

reduced distortion and improved fidelity.

 

 

 

 

 

The above hint is not “set-in-stone”…

 

You should always listen to the system carefully

 

to determine the best choice as vehicle acoustics

 

and other factors play a big role in choosing the

 

most appropriate filter slope.

 

Preamp Output Section

 

 

2) Precise Frequency Selection: The filter

The 500/1v2 incorporates a flexible preamp

frequency markings on the front panel of

output section, designed to make multiple

the amplifier are for reference purposes and

amplifier systems easy to set up.

 

are generally accurate to within 1/3 octave

The Preamp output can be configured in three

or better. If you would like to select the filter

different “Output Modes”:

 

 

frequency with a higher level of precision,

 

 

 

 

consult Appendix C: Chart A-1(page 16)

 

 

 

 

of this manual. This chart gives you a more

Preamp Output Section

 

accurate frequency for each of the forty

Output Mode

Filter Slope

 

detented positions of the frequency selection

Full Range | Amp Filter | Out Filter

12dB | 24dB

 

control. This method can be very useful if the

 

 

65

 

Filter Mode

amplifier is mounted in a location where you

55

80

45

 

100

 

can’t see the front panel markings easily.

 

 

200

LP | HP

Left Output Right Output

Filter Freq. (Hz)

3)Defeating the Amplifier Filter: The LowPass filter can also be defeated completely, by switching the “Mode/Slope” switch to the “Off” position. This is useful if you are using an external active crossover in the system. Keep in mind that turning the internal crossover off also defeats the “Advanced Bass Control” section processing (see page 9 for

details). With the internal crossover turned off, the 500/1v2’s upper frequency response limit is

250 Hz, due to its bass-specificClass D design.

1)“Full-Range”: This is apass-throughmode for the preamp output, delivering the samesignal that is being fed to the “Amplifier Input Section” (If the input signal is full-range,

the preamp output will be full-range).Thissignal is not affected by the “Advanced Bass Control” processing selected for the amplifier.

2)“Amp Filter”: The preamp output delivers the same signal that is feeding the 500/1v2’s amplifier section, including all the processinginduced by the “Amp LP Filter” and “Advanced Bass Control” sections. This is

primarily used for running additional 500/1v2’s in a “Slave” configuration from the “Master” amplifier. For detailed information on

“Master/Slave” configurations, see Appendix D (page 18). If the “Output Mode” switch is in the “Amp Filter” position and the “Amp LP Filter” switch is in the “Off” position, therewill be no output from the preamp output jacks. The independent output filter controls

(“Filter Slope”, “Filter Freq” and “Filter Mode”) are inactive in “Amp Filter” mode.

8 | JL Audio - 500/1v2 Owner’s Manual

9

3) “Out Filter”: The preamp output is

ADVANCED Bass Control Section

2) Parametric Bass Equalizer: The parametric

Subwoofer Output

filtered by a fully variable, active filter

The 500/1v2 includes a versatile bass

nsing

 

 

 

 

 

 

 

 

 

 

incorporated into the output section

processing section consisting of two

 

equalizer allows the user to select the center

On

and is not affected by the bass control

primary components: a fully variable,

 

frequency of the boost band as well as the

 

 

processing selected for the amplifier. In

24 dB per octave infrasonic filter and a

 

bandwidth (“Q”) of the boost band. The “Q"

MONO OUTPUT ONLY

Out Filter” mode, the user can select:

parametric, single-bandequalizer.

 

control selects the bandwidth of the boost

 

 

 

 

 

 

 

 

 

 

 

around the center frequency. Lower numbers

 

a) High-pass(“HP”) orlow-pass(“LP”)

Infrasonic Filter

“Q”

 

Center Freq.

Boost (dB)

pertain to wider bandwidths while higher

 

filtering by way of the “Filter Mode” switch.

 

Mode

1.6

 

 

40

+10

 

number pertain to narrower bandwidths.

 

b) 12 dB/octave or 24 dB/ octave filter slope by

 

1.1

2.7

30

60

+4

+13

The “Center Freq.” control selects the center

SUBWOOFER OUTPUT

 

 

0.7

 

25

75

 

 

way of the “Filter Slope” switch.

 

Off | On

0.

.3

20

80

 

+15

frequency of the boost bandwidth within

The 500/1v2 employs JL Audio’s exclusive

 

30

Bass EQ

 

 

 

 

 

c) A filter cutoff frequency between 40 - 200

22

45

 

 

 

Advanced

a range of 20 - 80 Hz. If you would like to

Regulated, Intelligent Power Supply (R.I.P.S.)

 

 

 

 

 

 

Hz for the preamp output signal by way of

18

55

 

 

 

 

Bass

 

select the filter frequency with a higher level

design. This sophisticated power supply

15

60

Off | On

 

 

 

Control

 

the “Filter Control” switch.

Infrasonic Freq. (Hz)

 

Remote Bass Port

 

of precision, consult Appendix C: Chart A-4

allows the amplifier to produce its optimum

 

 

 

 

 

 

 

 

 

(page 17) of this manual. The “Boost” control

power (500 watts x 1) over a wide range of

This is completely independent of the

 

 

 

 

 

 

 

 

determines how much boost (in dB) you are

speaker impedances.

amplifier’s internal filter and allows the user to

1) “Infrasonic Filter”: The infrasonic filter is a

adding to the bass signal. A range of 0 - 15dB

Unlike conventional amplifiers that require

match, stagger or overlap the subwoofer low-pass

24 dB/octave high-passfilter, with a fully

of boost is available. The “Remote Bass Port

a specific impedance to produce optimum

filter frequency of the amplifier crossover with

variable cutoff frequency between 15 - 60 Hz.

allows the connection of an optional remote

power, the R.I.P.S.-equipped500/1v2 gives

the output filter’s frequency for precise control

When set at frequencies lower than 30 Hz, it

boost knob (the RBC-1)that can be mounted

you the freedom to use a variety of subwoofer

and optimized midbass performance.

conserves amplifier power without audibly

in the front of the vehicle. This optional

configurations that achieve final nominal

If you would like to select the filter frequency

affecting the quality of the sub-bassoutput. If

control takes the place of the “Boost” knob on

impedances between

with a higher level of precision, consult

set at frequencies higher that 30 Hz, there will

the amplifier when connected and bypasses the

1.5 – 4Ω (without sacrificing power output or

Appendix C: Chart A-2(page 16) of this manual.

be an audible effect, but one which may be

Boost” control on the amplifier.

sound quality).

 

desirable for SPL competition purposes or curve

 

The operation of the R.I.P.S. circuitry is

!! CAUTION

shaping of a bottom-heavysystem. With ported

! IMPORTANT

entirely automatic and adjusts itself every time

enclosures, the use of the infrasonic filter is

the amplifier is turned on according to the lowest

 

 

The signal level of the “Preamp Output” is

highly recommended to protect the speaker(s)

The “Advanced Bass Control” section will only

impedance present at the speaker load. There are

always low level regardless of the voltage

from excessive excursion below box tuning.

operate when the amplifier’s filter is activated

no user controls to configure. The system

applied to this amplifier’s inputs and the

With sealed enclosures, the use of the filter is

with the “Amp LP Filter” switch in the “12dB”

operates through multiple stages of impedance

setting chosen on this amplifier’s “Input

less necessary, but can still help protect the

or “24dB” position. It will not work with this

optimization, choosing the stage most appropriate

Range” switch. All “Slave” amplifiers should

speaker system. If you would like to select the

switch in the “Off” position. This is to prevent

to the actual impedance of the speaker(s) you

have their switches set to “Low”. See Appendix

infrasonic filter frequency with a higher level of

cascading the processing of multiple amplifiers

connect to it.

D (page 18) for details.

precision, consult Appendix C: Chart A-3(page

when configured in a master/Slave

 

 

17) of this manual. The infrasonic filter can be

arrangement as shown in Appendix D (page

! IMPORTANT

 

completely defeated by selecting the “Off

18). If you are using an external active

 

 

 

position on the “Mode” switch. This bypasses

crossover and would like to use the “Advanced

If you connect a load higher than 4Ω nominal

 

all signal from flowing through the circuit.

Bass Control” features, set the “Amp LP Filter”

to the 500/1v2, power will drop by half with

 

 

 

 

 

 

 

 

 

switch on “12dB” and rotate the frequency

every doubling of impedance above 4Ω. If you

 

 

 

 

 

 

 

 

 

selection knob fully clockwise to the “200 Hz”

connect a load lower than 1.5Ω nominal to the

 

 

 

 

 

 

 

 

 

position. This will activate the “LF Boost” and

500/1v2, the amplifier protection circuitry

 

 

 

 

 

 

 

 

 

“Infrasonic Filter” controls without

activates a “safe” mode which reduces amplifier

 

 

 

 

 

 

 

 

 

significantly affecting the crossover point

power to protect the circuitry from failure (the

 

 

 

 

 

 

 

 

 

selected by the external active crossover.

yellow LED on the top of the amplifier will

 

 

 

 

 

 

 

 

 

 

light to indicate that this has happened). See

 

 

 

 

 

 

 

 

 

 

page 12 for details.

10 | JL Audio - 500/1v2 Owner’s Manual

11

! IMPORTANT

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

Speaker connections to the 500/1v2 are straightforward and take place at the far right of the front panel. You will notice that there are two

+” positive connections and twonegativeconnections. 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.

Do not chassis ground any speakers connected to this or any other JL Audio amplifier. Doing so will cause the amplifier to go into protection and mute the output.

The 500/1v2’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.

! IMPORTANT

Do NOT attempt to “bridge” two 500/1v2’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.

Status Indicator Lights / Protection Circuitry

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

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

2)Thermal(Red): lights to indicate that

the amplifier has exceeded its safe operating temperature, putting the amplifier into a selfprotection mode, which reduces the power output of the amplifier. The red light will shut off and the amplifier will return to normal, full-poweroperating mode if the heat sink temperature drops back to a safe level.

3)Low Ω(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-circuitis 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).

There is only one condition that will shut down an undamaged 500/1v2 completely… If battery voltage drops below 10 volts, the entireamplifier will shut itself off. The green “Powerindicator 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 bassheavy 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).

12 | JL Audio - 500/1v2 Owner’s Manual

13

Appendix A:

Input Sensitivity Level Setting

JL Audio amplifiers utilizing the Regulated

Intelligent Power Supply (R.I.P.S.) allow delivery of their rated power when connected to any load impedance from 1.5 - 4Ω 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

Digital AC Voltmeter

CD with a sine-wavetest 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 available for sale at http://store.jlaudio.com Do not use attenuatedtest tones (-10 dB, -20 dB, etc.).

The Nine-StepProcedure

1)Disconnect the speaker(s) from the 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 500/1v2).

3)Switch the Input Voltageswitch toLowand turn theInput Sens.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 500/1v2) 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 Input Sens.control until the target voltage is observed with the voltmeter.

9)Once you have adjusted the 500/1v2 to its maximum low-distortionoutput level,

reconnect the speaker(s). The Input Sens.control can now be adjusted downward if the amplifier requires attenuation to achieve the desired system balance.

!IMPORTANT

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-adjusttheInput Sens.for the affected channels if anyequalizer boost is activated after setting the

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

Nom. Impedance

Target AC Voltage

(or higher)

 

44.7V

38.7V

31.6V

1.5Ω

27.4V

 

 

14 | JL Audio - 500/1v2 Owner’s Manual

Appendix B:

500/1v2 Specifications

General Specifications:

Recommended Fuse Value: 50A

Recommended Fuse Type: AFS, AGU or MaxiFuse™

Input Section:

Input Type: Differential-balancedwith 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-regulatedswitching power supply

Rated Power: 500W RMS x 1 @ 1.5 - 4Ω (11 - 14.5V)

THD at Rated Power: <0.05% @ 4Ω, 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, -3dB)

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

Crossover Section:

Amplifier Low-PassFilter:State-variable,12 dB/octave Butterworth or 24 dB/octaveLinkwitz-Rileywith 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-Rileyfilter 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 +15dB and port for optional remote bass boost control (RBC-1),defeatable

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

Dimensions (LxWxH):

13.4" x 9.25" x 2.27" (340mm x 235mm x 58mm)

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

15

Appendix C: 

Precise Frequency Selection Chart

 

CHART A-1

 

 

CHART A-2

 

 

CHART A-3

 

 

CHART A-4

 

Amplifier Low-PassFilter

PREAMP OUTPUT SECTION

INFRASONIC FILTER

 

EQ CENTER FREQUENCY

Detent

Panel

Actual

Detent

Panel

Actual

Detent

Panel

Actual

Detent

Panel

Actual

Number

Marking

Freq.

Number

Marking

Freq.

Number

Marking

Freq.

Number

Marking

Freq.

Full counter-clockwise:42

Full counter-clockwise:41

Full counter-clockwise:14

Full counter-clockwise:22

01 . . . .

. . . . . . . . .

. 42

01 . . . .

. . . . . . . . .

. 41

01 . . . .

. . . . . . . . .

. 14

01 . . . .

. . . . . . . . .

. 22

02 . . . .

. . . . . . . . .

. 42

02 . . . .

. . . . . . . . .

. 41

02 . . . .

. . . . . . . . .

. 14

02 . . . .

. . . . . . . . .

. 22

03 . . . .

. . . . . . . . .

. 42

03 . . . .

. . . . . . . . .

. 41

03 . . . .

. . . . . . . . .

. 14

03 . . . .

. . . . . . . . .

. 22

04 . . . .

. . “40” . . . . .

. 42

04 . . . .

. . “40” . . . . .

. 42

04 . . . .

. . “15” . . . . .

. 14

04 . . . .

. . “20” . . . . .

. 22

05 . . . .

. . . . . . . . .

. 43

05 . . . .

. . . . . . . . .

. 42

05 . . . .

. . . . . . . . .

. 15

05 . . . .

. . . . . . . . .

. 22

06 . . . .

. . . . . . . . .

. 44

06 . . . .

. . . . . . . . .

. 43

06 . . . .

. . . . . . . . .

. 15

06 . . . .

. . . . . . . . .

. 24

07 . . . .

. . . . . . . . .

. 46

07 . . . .

. . . . . . . . .

. 44

07 . . . .

. . . . . . . . .

. 16

07 . . . .

. . . . . . . . .

. 24

08 . . . .

. . “45” . . . . .

. 47

08 . . . .

. . “45” . . . . .

. 45

08 . . . .

. . “18” . . . . .

. 17

08 . . . .

. . “25” . . . . .

. 25

09 . . . .

. . . . . . . . .

. 49

09 . . . .

. . . . . . . . .

. 47

09 . . . .

. . . . . . . . .

. 17

09 . . . .

. . . . . . . . .

. 26

10 . . . .

. . . . . . . . .

. 50

10 . . . .

. . . . . . . . .

. 48

10 . . . .

. . . . . . . . .

. 18

10 . . . .

. . . . . . . . .

. 27

11 . . . .

. . . . . . . . .

. 52

11 . . . .

. . . . . . . . .

. 49

11 . . . .

. . . . . . . . .

. 19

11 . . . .

. . . . . . . . .

. 28

12 . . . .

. . . . . . . . .

. 53

12 . . . .

. . . . . . . . .

. 51

12 . . . .

. . . . . . . . .

. 20

12 . . . .

. . . . . . . . .

. 30

13 . . . .

. . . . . . . . .

. 55

13 . . . .

. . . . . . . . .

. 53

13 . . . .

. . . . . . . . .

. 20

13 . . . .

. . . . . . . . .

. 31

14 . . . .

. . “55” . . . . .

. 57

14 . . . .

. . “55” . . . . .

. 54

14 . . . .

. . “25” . . . . .

. 21

14 . . . .

. . “30” . . . . .

. 32

15 . . . .

. . . . . . . . .

. 58

15 . . . .

. . . . . . . . .

. 56

15 . . . .

. . . . . . . . .

. 22

15 . . . .

. . . . . . . . .

. 34

16 . . . .

. . . . . . . . .

. 60

16 . . . .

. . . . . . . . .

. 58

16 . . . .

. . . . . . . . .

. 24

16 . . . .

. . . . . . . . .

. 35

17 . . . .

. . . . . . . . .

. 63

17 . . . .

. . . . . . . . .

. 60

17 . . . .

. . . . . . . . .

. 25

17 . . . .

. . . . . . . . .

. 38

18 . . . .

. . . . . . . . .

. 65

18 . . . .

. . . . . . . . .

. 62

18 . . . .

. . . . . . . . .

. 27

18 . . . .

. . . . . . . . .

. 40

19 . . . .

. . “65” . . . . .

. 67

19 . . . .

. . “65” . . . . .

. 64

19 . . . .

. . . . . . . . .

. 28

19 . . . .

. . “40” . . . . .

. 42

20 . . . .

. . . . . . . . .

. 70

20 . . . .

. . . . . . . . .

. 67

20 . . . .

. . “30” . . . . .

. 30

20 . . . .

. . . . . . . . .

. 45

21 . . . .

. . . . . . . . .

. 73

21 . . . .

. . . . . . . . .

. 69

21 . . . .

. . . . . . . . .

. 33

21 . . . .

. . . . . . . . .

. 48

22 . . . .

. . . . . . . . .

. 76

22 . . . .

. . . . . . . . .

. 72

22 . . . .

. . . . . . . . .

. 35

22 . . . .

. . . . . . . . .

. 51

23 . . . .

. . . . . . . . .

. 79

23 . . . .

. . . . . . . . .

. 75

23 . . . .

. . . . . . . . .

. 39

23 . . . .

. . . . . . . . .

. 56

24 . . . .

. . “80” . . . . .

. 83

24 . . . .

. . “80” . . . . .

. 78

24 . . . .

. . . . . . . . .

. 42

24 . . . .

. . “60” . . . . .

. 61

25 . . . .

. . . . . . . . .

. 87

25 . . . .

. . . . . . . . .

. 82

25 . . . .

. . “40” . . . . .

. 47

25 . . . .

. . . . . . . . .

. 67

26 . . . .

. . . . . . . . .

. 92

26 . . . .

. . . . . . . . .

. 86

26 . . . .

. . . . . . . . .

. 50

26 . . . .

. . . . . . . . .

. 69

27 . . . .

. . . . . . . . .

. 96

27 . . . .

. . . . . . . . .

. 90

27 . . . .

. . . . . . . . .

. 51

27 . . . .

. . . . . . . . .

. 72

28 . . . .

. . . . . . . . .

. 102

28 . . . .

. . . . . . . . .

. 95

28 . . . .

. . . . . . . . .

. 54

28 . . . .

. . . . . . . . .

. 75

29 . . . .

. .“100” . . . .

. 108

29 . . . .

. .“100” . . . .

. 100

29 . . . .

. . . . . . . . .

. 56

29 . . . .

. . “75” . . . . .

. 76

30 . . . .

. . . . . . . . .

. 114

30 . . . .

. . . . . . . . .

. 107

30 . . . .

. . . . . . . . .

. 56

30 . . . .

. . . . . . . . .

. 77

31 . . . .

. . . . . . . . .

. 122

31 . . . .

. . . . . . . . .

. 113

31 . . . .

. . “50” . . . . .

. 57

31 . . . .

. . . . . . . . .

. 77

32 . . . .

. . . . . . . . .

. 131

32 . . . .

. . . . . . . . .

. 122

32 . . . .

. . . . . . . . .

. 58

32 . . . .

. . . . . . . . .

. 78

33 . . . .

. . . . . . . . .

. 143

33 . . . .

. . . . . . . . .

. 131

33 . . . .

. . . . . . . . .

. 58

33 . . . .

. . . . . . . . .

. 79

34 . . . .

. . . . . . . . .

. 157

34 . . . .

. . . . . . . . .

. 143

34 . . . .

. . . . . . . . .

. 58

34 . . . .

. . . . . . . . .

. 80

35 . . . .

. . . . . . . . .

. 184

35 . . . .

. . . . . . . . .

. 156

35 . . . .

. . . . . . . . .

. 59

35 . . . .

. . . . . . . . .

. 81

36 . . . .

. .“200” . . . .

. 193

36 . . . .

. .“200” . . . .

. 169

36 . . . .

. . “60” . . . . .

. 60

36 . . . .

. . “80” . . . . .

. 81

37 . . . .

. . . . . . . . .

. 198

37 . . . .

. . . . . . . . .

. 186

37 . . .

. . . . . . . . .

. .61

37 . . . .

. . . . . . . . .

. 81

38 . . . .

. . . . . . . . .

. 198

38 . . . .

. . . . . . . . .

. 192

38 . . . .

. . . . . . . . .

. 61

38 . . . .

. . . . . . . . .

. 81

39 . . . .

. . . . . . . . .

. 198

39 . . . .

. . . . . . . . .

. 197

39 . . . .

. . . . . . . . .

. 61

39 . . . .

. . . . . . . . .

. 81

Full-clockwise :198

 

Full-clockwise :197

 

Full-clockwise :61

 

Full-clockwise :81

 

16 | JL Audio - 500/1v2 Owner’s Manual

17

Appendix D:

Master/Slave Configurations

With the flexible on-boardcrossovers and processing incorporated into the 500/1v2, it is possible to connect multiple 500/1v2’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 multiple amplifiers.

To create a Master/Slave configuration, first determine which amplifier will be the “Master” amplifier and connect the main input signal to that amplifier (from the source unit or from anoutboard processor). This amplifier’s “Amp LP Filter” section and “Advanced Bass Control” features will process the signal for the “Slave” amplifier or amplifiers.

Master:

Here is the procedure for implementing a

“Master/Slave” configuration:

1)Set the “Master” amplifier’s “Output Mode” switch to the center “Amp Filter” position.

This will send a parallel, mono-summedsignalfrom the “Master” amplifier’s “Amp LP Filtersection 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 “Offposition. This will defeat the LP filter and the bass processing of this “Slave” amplifier.

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: The “Input Range” switch on all “Slave” amplifiers needs to be set to “Low”, even if the “Master” amplifier is high voltage and its switch is set to “High”. All signals passed outof the preamp outputs of the amplifier are

compatible with the “Low” setting on the “Input Range” control.

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

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

+12VDC

Ground

Remote

Preamp Output Section

 

Infrasonic Filter

“Q”

 

Center Freq.

Boost (dB)

Amp LP Filter

Amplifier Input Section

Subwoofer Output

 

 

 

Output Mode

Filter Slope

 

 

Mode

1.6

 

 

40

+10

 

Mode | Slope

Input Voltage

Input Sens.

Signal Sensing

 

 

 

 

 

 

1.1

2.7

30

60

+4

+13

 

 

 

 

 

 

 

 

 

 

0.7

 

25

75

 

 

 

 

 

 

 

 

 

 

 

Full Range | Amp Filter | Out Filter

12dB | 24dB

 

 

Off | On

0.

.3

20

80

 

+15 Off | 12dB | 24dB

Low | High

 

Off | On

 

 

 

 

 

 

65

Filter Mode

 

30

Bass EQ

 

 

 

 

 

 

65

 

 

 

 

 

 

 

55

80

22

45

 

 

 

Advanced

55

80

 

 

 

 

 

500/1v2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

 

100

 

18

55

 

 

 

 

Bass

 

45

100

 

 

 

MONO OUTPUT ONLY

Monoblock Subwoofer Amplifier

 

 

200

LP | HP

15

60

Off | On

 

 

 

Control

 

40

200

 

 

 

Left Output Right Output

Filter Freq. (Hz)

Infrasonic Freq. (Hz)

Remote Bass Port

Filter Freq. (Hz)

Left Ch.

Right Ch.

Connect Master 500/1 Input to Signal Source

Connect Master 500/1 Preamp Output to Slave A 500/1 Input

Slave (A):

+12VDC Ground Remote

Preamp Output Section

Infrasonic Filter

“Q”

Center Freq.

Boost (dB)

Amp LP Filter

Amplifier Input Section

Subwoofer Output

 

Output Mode

Filter Slope

Mode

1.6

 

40

 

+10

Mode | Slope

Input Voltage Input Sens. Signal Sensing

 

 

1.1

2.7 30

60

+4

+13

 

 

 

 

0.7

 

25

75

 

 

 

Full Range | Amp Filter | Out Filter

12dB | 24dB

Off | On

0.

.3

20

80

+15 Off | 12dB | 24dB

Low | High

Off | On

 

65

 

Filter Mode

 

30

Bass EQ

 

 

65

 

55

80

22

45

Advanced

55

80

500/1v2

 

 

 

 

 

 

 

 

45

100

 

18

55

 

Bass

45

100

Monoblock Subwoofer Amplifier

 

200

LP | HP

15

60

Off | On

Control

40

MONO OUTPUT ONLY

 

 

200

Left Output Right Output

Filter Freq. (Hz)

Infrasonic Freq. (Hz)

Remote Bass Port

Filter Freq. (Hz)

Left Ch.

Right Ch.

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

are inactive.

Connect Slave A 500/1 Preamp Output to Slave B 500/1 Input

Slave (B):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+12VDC

Ground

Remote

Preamp Output Section

 

Infrasonic Filter

“Q”

 

Center Freq.

Boost (dB)

Amp LP Filter

Amplifier Input Section

Subwoofer Output

 

 

 

Output Mode

Filter Slope

 

 

Mode

1.6

 

 

40

+10

 

Mode | Slope

Input Voltage

Input Sens.

Signal Sensing

 

 

 

 

 

 

1.1

2.7

30

60

+4

+13

 

 

 

 

 

 

 

 

 

 

0.7

 

25

75

 

 

 

 

 

 

 

 

 

 

 

Full Range | Amp Filter | Out Filter

12dB | 24dB

 

 

Off | On

0.

.3

20

80

 

+15 Off | 12dB | 24dB

Low | High

 

Off | On

 

 

 

 

 

 

65

Filter Mode

 

30

Bass EQ

 

 

 

 

 

 

65

 

 

 

 

 

 

 

55

80

22

45

 

 

 

Advanced

55

80

 

 

 

 

 

500/1v2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

 

100

 

18

55

 

 

 

 

Bass

 

45

100

 

 

 

MONO OUTPUT ONLY

Monoblock Subwoofer Amplifier

 

 

200

LP | HP

15

60

Off | On

 

 

 

Control

 

40

200

 

 

 

Left Output Right Output

Filter Freq. (Hz)

Infrasonic Freq. (Hz)

Remote Bass Port

Filter Freq. (Hz)

Left Ch.

Right Ch.

The “Signal Sensingturn-onfeature will not work on “Slave” amplifiers, but “Slave” amplifiers can be turned on and off by a “Master” amplifieroperating in signal sensing turn-on mode.

Simply connect the “Master” amplifier’s “Remote” connection, to the “Slave” amplifier(s) “Remote” connection(s).

Do not increase the “Input Sens.” setting forany amplifier in the system beyond the maximum level established during the procedure outlined in Appendix A (page 14). Doing so will result inaudible distortion and possible speaker damage.

4)If you would like to run a third amplifier in

“Slave” configuration, select the Full-Rangeposition on the “Output Mode” switch of the first “Slave” amplifier. Then, connect an RCA cable from the first “Slave” amplifier’s preamp outputs to the second “Slave” amplifier. As you did with the first “Slave” amplifier, set the second “Slave” amplifier’s “Amp LP Filter” to the “Off” position. Then, calibrate the third amplifier’s “Input Range” and “Input Sens.controls in the same manner as you did for the second amplifier.

Additional amplifiers may be added to this

“Master/Slave” configuration following the same procedure as in step 4.

Once you match the input sensitivities of all the amplifiers, you can use the “Master” amplifier’s “Amp LP Filter” and “Advanced Bass Control” features to control the “Slave”

amplifier(s). If the remote bass control (RBC-1)isused, it need only be connected to the “Master” amplifier to control all the amplifiers in the

“Master/Slave” chain.

Reference the diagram showing a “Master/ Slave” configuration with one “Master” (top amplifier) and two “Slave” amplifiers. Switches and controls that are defeated in the “Slave” amplifiers are printed in gray.

18 | JL Audio - 500/1v2 Owner’s Manual

19