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owner’s manual
500W 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, 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 performa
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Prote Ct Your Hearing! installation aPP liC ations Planning Your installation We value you as a long-term customer. For This amplifier is designed for operation in It is important that you take the time to read Mounting the amplifier upside down is that reason, we urge you to practice restraint in vehicles with 12V, negative-ground electrical this manual and that you plan out your strongly discouraged. the operation of this product so as not to damage systems. Use of this product in vehicles
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Produ Ct d esCri Ption Power Conne Ctions The JL Audio J2-500.1 is a monoblock 5) Run speaker wire from the speaker systems Before installing the amplifier, disconnect the Any wires run through metal barriers (such as subwoofer amplifier utilizing Class B to the amplifier mounting location. negative (ground) wire from the vehicle’s battery. firewalls), must be protected with a high quality technology. Its frequency response is limited 6) Find a good, solid metal grounding point This will
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“rem ote” turn- on “am Pli Fier in Put s” “in Put sensiti Vit Y” (gain ) ad Justment “l P Filter ” (Cro sso Ver ) Control The J2-500.1 is turned on and off The J2-500.1 only offers low-level (preamp Located next to the input connectors is a rotary The J2-500.1 employs a 12dB/octave low-pass using a conventional +12V remote turn- level) input connections via a single pair of RCA- control labeled “Input Sens.”. This rotary control (LP) active filter for its internal channel. This on lead, typica
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“Prea mP outP uts ” remote le Vel Control s Pea Ker outP ut “Power ” indiC ator led / The J2-500.1 incorporates a preamp output The J2-500.1 includes a remote level control Speaker connection to the J2-500.1 is Prote Ction CirC uitr Y section, designed to make multiple amplifier that can be mounted in the front of the vehicle. straightforward and takes place at the far right The multi-color “Power” LED on the J2-500.1 systems easy to set up. This section consists This control allows the owne
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aPPendix a : aPPendix b: input s ensitivity l evel s etting 8) Increase the “Input Sens.” control until the J2-500.1 specifications Following the directions below will allow the target voltage is observed with the voltmeter. installer to adjust the input sensitivity of each 9) Once you have adjusted the amplifier to g eneral s pecifications: amplifier channel pair simply and easily in just a its maximum low-distortion output level, Recommended Fuse Value: 60A few minutes using equipment whic
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aPPendix C: troublesHooting “How do i properly set the input sensitivity on my amplifier” “my amplifier turns on, but there is no output” Please r efer to Appendix A (page 10) to set the input sensitivity for Check t he input signal using an AC voltmeter to measure the maximum, low-distortion output. voltage from the source unit while an appropriate test tone is “my amplifier doesn’t turn on” played through the source unit (disconnect the input cables Check t he fuse, not just visually, b
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installation notes : Use this diagram to document your amplifier’s switch and control positions. Preamp Amplifier Outputs Inputs Remote Level LEFT LEFT Port Power | Reversed Normal Output Polarity min max 40 130 O +12dB Input Sens. LP Filter Frequency (Hz) Bass Boost RIGHT RIGHT 14 JL Audio® 15 J2_500_1_MAN_CH.indd 14-15 4/22/09 11:24:47 AM
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l imited w arrant Y - a mPli Fiers ( 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. Should service be necessary under this warranty for any reason due to manufacturing defect or malfunction, JL Audio will (at its discretion), repair or replace the defective product with new
