JL Audio J2250.1 - Manuals - manualsarea.com

Page 2 - JL Audio; Protect Your Hearing!; We value you as a long-term customer. For; serial number; In the event that your amplifier requires; installation aPPlications; This amplifier is designed for operation in

2 JL Audio 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 ca...

Page 3 - Planning Your installation; It is important that you take the time to read; I M P O RTA N T; Mounting the amplifier upside down is; If mounting the amplifier under a seat,; safety considerations:; Your amplifier needs to be installed in a dry,; Product descriPtion

3 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: The outer shell of your...

Page 4 - tYPical installation sequence

4 JL Audio tYPical installation sequence The following represents the sequence for a typical amplifier installation, using an aftermarket source unit or OEM Interface product. Additional steps and different procedures may be required in some applications. If you have any questions, please contact yo...

Page 5 - Power connections

5 Power connections Before installing the amplifier, disconnect the negative (ground) wire from the vehicle’s battery. This will prevent accidental damage to the system, the vehicle and your person during installation. Made in China Speaker Output (Mono) Ground FUSE 30A Remote + 12VDC The J2-250.1’s...

Page 6 - “Remote”; “Amplifier Inputs”

6 JL Audio “remote” turn-on The J2-250.1 is turned on and off using a conventional +12V remote turn-on lead, typically controlled by the source unit’s remote turn-on output. Made in China Speaker Output (Mono) Ground FUSE 30A Remote + 12VDC The amplifier will turn on when +12V is present at its “Rem...

Page 8 - “LP; control knob. The “10 o’clock”; “PreamP outPuts”; The Preamp outputs deliver the same signal that; The signal level of the preamp output is always

8 JL Audio “lP Filter” (crossoVer) control The J2-250.1 employs a 12dB/octave low-pass (LP) active filter for its internal channel. This feature is designed to attenuate frequencies above its filter frequency, so that the system’s subwoofers do not reproduce any audible midrange content. The low-pas...

Page 9 - . This control has a boost; remote leVel control; The J2-250.1 includes a remote level control; “Remote Level Port”; on the amplifier

9 “bass boost” control The J2-250.1 includes a single band, boost- only bass equalizer controlled by a rotary knob marked “Bass Boost” . This control has a boost range of 0dB (full-counterclockwise) to +9dB (full-clockwise) and is centered at 45 Hz. LP Filter Frequency (Hz) Input Sens. Bass Boost Po...

Page 10 - sPeaKer outPut; ”) connections are available; Do not chassis ground any speakers connected

10 JL Audio sPeaKer outPut Speaker connection to the J2-250.1 is straightforward and takes place at the far right of the power/speaker connection panel. Two positive (“ + ”) connections and two negative (“ – ”) connections are available via a connector labeled “Speaker Output (Mono)” . The dual conn...

Page 12 - necessary equipment; target ac Voltage

12 JL Audio aPPendix a:input sensitivity level setting Following the directions below will allow the installer to adjust the input sensitivity of each amplifier channel pair simply and easily in just a few minutes using equipment which is commonly available in installation bays. necessary equipment ...

Page 13 - general specifications:; Recommended Fuse Value:; bass boost

13 aPPendix b:J2-250.1 specifications general specifications: Recommended Fuse Value: 30A Recommended Fuse Type: ANL at battery, 1x 30A ATC fuses on amplifier chassis. input section: Low-Level Input: Single-ended with RCA jacks Low-Level Input Range: 200mV - 4V RMS High-Level Input: Single-ended wit...

Page 14 - “How do i properly set the input sensitivity on my amplifier”

14 JL Audio “How do i properly set the input sensitivity on my amplifier” Please refer to Appendix A (page 12) 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 ...

Page 15 - to ensure that the speaker wires are making a good

15 “my amplifier turns on, but there is no output” Check the input signal using an AC voltmeter to measure the voltage from the source unit while an appropriate test tone is played through the source unit (disconnect the input cables from the amplifier prior to this test). The frequency used should ...

Page 20 - (do not send product for repair to this address); international warranties:; by that country’s distributor and not by JL Audio, Inc.

limited warrantY - amPliFiers (usa) JL Audio warrants this product to be free of defects in materials and workmanship for a period of one (1) year from the original date of purchase. This warranty is not transferrable and applies only to the original purchaser from an authorized JL Audio dealer. Sho...