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OWNER'S MANUAL
Thank you for purchasing a JL Audio amplifier for
your marine 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, 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.
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Table of Contents
Related Manuals for JL Audio M2250
Summary of Contents for JL Audio M2250
- Page 1 For maximum performance, 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.
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Page 2: Installation Applications
(pg. 9) (pg. 8) (pg. 7) Jack for Left & Right Power Status Remote Bass Input Sensitivity Filter Preamp Input Jacks Indicator Control Knob Control Frequency Selector (pg. 6) (pg. 9) (pg. 8) (pg. 6) (pg. 7) JL AUDIO M2250... -
Page 3: Planning Your Installation
1 inch (2.5 cm) of space above the amplifier’s outer shell to permit Cooling Efficiency Considerations: proper cooling. The outer shell of your JL Audio amplifier is designed to remove heat from the amplifier Safety Considerations: circuitry. For optimum cooling performance,... -
Page 4: Product Description
Absolute Symmetry™ Class A/B technology for wires to the amplifier. A fuse near the both channels. amplifier is not necessary. The M2250 can be operated with a wide 9) Connect the remote turn-on wire to variety of source units and system configurations. the amplifier. -
Page 5: Fuse Requirements
Note: Smaller AWG numbers mean bigger wire being run from that power wire. If only the M2250 and vice-versa (1/0 AWG is the largest, 2 AWG is is being run from that power wire, we recommend smaller, then 4 AWG, then 8 AWG, etc.). -
Page 6: Input Section
INPUT SECTION The output of the amplifier will decrease for The M2250’s input section allows you to send signals to the amplifier section through the a given input voltage when the “Input Range” switch is placed in the “High” position. -
Page 7: Filter Controls
12dB per octave. This is The active filter built into the M2250 can be useful for connection of component speakers to used to eliminate potentially harmful and/or the M2250’s channels in a bi-amplified system. -
Page 8: Bass Boost Controls
SPEAKER OUTPUTS The M2250’s speaker outputs are designed to accept 16 AWG - 8 AWG wire. The M2250 is designed to deliver power into speaker loads equal to or greater than 2 ohms when using a “stereo” configuration and speaker loads equal to or greater than 4 ohms when using a “bridged”... - Page 9 RCA inputs. This option is useful reduce it maximum power output to protect its when using one M2250 to drive left channel circuitry, which will manifest itself as increased speakers only and the other M2250’s channels distortion.
- Page 10 10 volts momentarily. If this is happening in your system, turn your audio system off and have your power wiring, ground connections and charging system inspected. JL AUDIO M2250...
- Page 11 If your amplifier fails or malfunctions, please return it to your authorized JL Audio dealer so that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside the amplifier. The unique nature of the circuitry in the JL Audio amplifiers requires specifically trained service personnel.
- Page 12 Following the directions below will allow the target voltage is observed with the voltmeter. 9) Once you have adjusted the M2250 to its installer to adjust the input sensitivity of each amplifier channel pair simply and easily in just a...
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Page 13: General Specifications
39 ......225 Full-clockwise: 225 Preamp Output: Pass-through type, buffered. Dimensions(LxWxH): 9.8" x 9.25" x 2.50" (250mm x 235mm x 63.5mm) Due to ongoing product development, all specifications are subject to change without notice. JL AUDIO M2250... -
Page 14: Appendix D: Troubleshooting
Check the input connectors to ensure that they all are making good contact with the input jacks on the amplifier. JL AUDIO M2250... - Page 15 “My amplifier shuts off once in a while, usually at higher volumes” Check your voltage source and grounding point. The power supply of the M2250 will operate with charging system voltages down to 10V. Shutdown problems at higher volume levels can occur when the charging system voltage drops below 10V.
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Page 16: Installation Notes
INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. JL AUDIO M2250... - Page 17 JL AUDIO M2250...
- Page 18 INSTALLATION NOTES: JL AUDIO M2250...
- Page 19 INSTALLATION NOTES: JL AUDIO M2250...
- Page 20 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 of the original sales receipt). Direct returns from consumers or non-authorized dealers will be refused unless specifically authorized by JL AUDIO with a valid return authorization number.
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