JL Audio 1200/1v3 User Manual

OWNER’S MANUAL
1200 W CLASS-D 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.

JL Audio 1200/1v3 Specifications

General

Power Output (RMS)	1200W
Rated Power (3 Ohms)	1200W
RMS Power (4 ohms)	600W
RMS Power (2 ohms)	1200 Watts
RMS Power (1 ohm)	1200 Watts
THD at Rated Power	<0.03%
Damping Factor	>500
Fuse Rating	40 A
Dimensions (L x W x H)	2.36"
Crossover Type	Low-Pass
Infrasonic Filter	24 dB/octave
Total Harmonic Distortion	<0.03%

Summary

Planning Your Installation

Cooling Efficiency Considerations

Discusses heat management and optimal airflow for amplifier performance.

Safety Considerations

Advice on safe installation environment and securing the amplifier.

Common Installation Mistakes

Highlights critical errors to avoid during vehicle installation.

Product Description

Typical Installation Sequence

Power Connections

Ground Connection

Remote Turn-On

Amplifier Input Section

Amplifier Low-Pass Filter

Preamp Output Section

Advanced Bass Control Section

Subwoofer Output

Speaker Connections

Output Polarity Switch

Status Indicator Lights and Protection

Servicing Your JL Audio Amplifier

Appendix A: Input Sensitivity Level Setting

Appendix B: 1200/1v3 Specifications

Appendix C: Precise Frequency Selection Chart

Appendix D: Master/Slave Configurations

Appendix E: Troubleshooting

Limited Warranty (USA)