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 been optimized for
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).
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
Power Connections |
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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 | ||
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| to create a clean, |
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| between the chassis and the termination of |
| +12VDC Ground Remote | ||
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| the ground wire. The use of a star washer to |
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| lock down the connection is advisable. |
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| 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 | ||
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| insulation of the wire. Failure to do so may result |
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| in a dangerous short circuit. |
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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
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
5) Run speaker wire from the speaker systems to the amplifier mounting location.
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
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.
The 500/1v2’s “+12 VDC” and “Ground” connections 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 and
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.
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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
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 |