JL Audio A1800 Owner'S Manual Download Page 10 | Manualshive

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JL AUDIO

A1800

19

18

JL AUDIO

A1800

INSTALLATION NOTES:

INSTALLATION NOTES:

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Summary of Contents for A1800

Page 1: ...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...

Page 2: ...e roof or in any other area that will expose the amplifier circuitry to the elements JL AUDIO A1800 3 PROTECT YOUR HEARING We value you as a long term customer For that reason we urge you to practice...

Page 3: ...The JL Audio A1800 is a monoblock subwoofer amplifier utilizing proprietary and patented Class D technology Its frequency response is limited to the range below 250 Hz It is not designed for driving m...

Page 4: ...ss speakers in the system Experiment to find the slope which best matches the acoustic requirements of your system JL AUDIO A1800 7 TURN ON LEAD The A1800 uses a conventional 12V remote turn on lead t...

Page 5: ...r bass content pass through A sub that fires directly into the listening environment is more likely to benefit from a 24 dB octave slope Note The above hint is not set in stone You should always liste...

Page 6: ...re due to a short circuit or a dangerously low impedance connected to the amplifier output s Connecting the speaker outputs to an impedance lower than 2 ohms will cause this protection mode to activat...

Page 7: ...r that set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application Do not use attenuated test tones 10 dB 20 dB etc The Nine Step Procedure 1 Disconnect the speaker s from the amplif...

Page 8: ...ith the metal inside the terminal block The speaker wire connectors are designed to accept up to 8 AWG wire Make sure to strip the wire to allow for a sufficient connection with the metal inside the t...

Page 9: ...ES Use this diagram to document your amplifier s switch and control positions Bass Boost Controls Input Voltage Low High CH 1 Left Input Sens LP Filter Filter Freq Hz 40 45 55 65 80 100 200 Bass Boost...

Page 10: ...JL AUDIO A1800 19 18 JL AUDIO A1800 INSTALLATION NOTES INSTALLATION NOTES...

Page 11: ...tions on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need...

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