JL Audio J2250.1 Owner'S Manual Download Page 19 | Manualshive

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Summary of Contents for J2250.1

Page 1: ...lation 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 w...

Page 2: ...und on the bottom panel of the amplifier and on the amplifier packaging Serial Number Installation Applications This amplifier is designed for operation in vehicles with 12V negative ground electrical...

Page 3: ...rfere with your vehicle s safety equipment air bags seat belt systems ABS brake systems etc You should also take the time to securely mount the amplifier using appropriate hardware so that it does not...

Page 4: ...lifier mounting location 5 Run speaker wire from the speaker systems to the amplifier mounting location 6 Find a good solid metal grounding point close to the amplifier and connect the negative power...

Page 5: ...wire and should be kept as short as possible while accessing a solid piece of sheet metal in the vehicle The surface of the sheet metal should be sanded at the contact point to create a clean metal t...

Page 6: ...ier Inputs min max 60 High Level Inputs You may run a stereo or a mono signal into the inputs of the amplifier The amplifier s input section automatically sums stereo signals to mono for the internal...

Page 7: ...ENSITIVITY GAIN ADJUSTMENT Located next to the input connectors is a rotary control labeled Input Sens This rotary control can be used to match the source unit s output voltage to the input stage of t...

Page 8: ...GHT Preamp Outputs Amplifier Inputs min max 60 240 Off 9dB PREAmP OUTPUTS The J2 250 1 incorporates a preamp output section designed to make multiple amplifier systems easy to set up This section cons...

Page 9: ...allows the owner to adjust the overall subwoofer level to taste To connect the remote bass control knob insert its plug into the jack labeled Remote Level Port on the amplifier and route the cable an...

Page 10: ...protection mode Do not chassis ground any speakers connected to this or any other JL Audio amplifier Doing so will cause the amplifier to go into protection To connect the speaker wires to the amplif...

Page 11: ...nputs min max 60 240 Off 9dB High Level Inputs LP Filter Frequency Hz Bass Boost Protect Remote Level Port 60 240 Off 9dB Servicing your Amplifier If your amplifier fails or malfunctions please return...

Page 12: ...voltage for input sensitivity adjustment according to the nominal impedance of the speaker system connected to the amplifier outputs 6 Verify that you have disconnected the speakers before proceeding...

Page 13: ...itching type unregulated Rated Power with less than 1 THD 14 4V supply 175W RMS x 1 4 210W RMS x 1 3 250W RMS x 1 2 Frequency Response 10 100 Hz 1 dB Crossover Section Low Pass Filter 12 dB octave wit...

Page 14: ...on is pinched by the terminal set screw and that each connection is tight Check to make sure there is 12V at the Remote connection of the amplifier In some cases the turn on lead from the source unit...

Page 15: ...after plugging the input cables back into the amplifier test for output at the speaker outputs of the amplifier Unless you enjoy test tones at high levels it is a good idea to remove the speaker wire...

Page 16: ...L Audio INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions LP F Input Sens Power LEFT RIGHT LEFT RIGHT Preamp Outputs Amplifier Inputs min max High Level Inp...

Page 17: ...17 LP Filter Frequency Hz Input Sens Bass Boost Protect Remote Level Port r min max 60 240 Off 9dB...

Page 18: ...18 JL Audio INSTALLATION NOTES...

Page 19: ...19 INSTALLATION NOTES...

Page 20: ...y to this product thereafter Some states do not allow limitations on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also h...

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