JL Audio f110 owner manual Defeat Button, Calibrate Button, Input Mode Indicators, Level Mode

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showcasing the output capability of the Fathom and to verify that the Fathom (or multiple Fathoms) are operational during system troubleshooting.

The Demo button is also used (in combination) to clear (return to flat) the A.R.O. equalizer settings. To clear the A.R.O.’s settings & turn off the Calibrate light, press and hold the Demo button and then press the Defeat button. Please note that you must perform this button sequence quickly. If you hold the Demo button for more than 2 seconds without touching the Defeat button, the Demo tones will start. Should this happen, simply wait for the Demo sequence to end and try again.

Defeat Button

If “Demo” or “Calibrate” is pressed while the defeat function is active, “Defeat” is automatically canceled. No other front panel controls will alter the A.R.O. Defeat state. The f110’s Defeat setting is stored in non-volatile memory and will not change even if power is disconnected.

The Defeat button is also used (in combination) to clear (return to flat) the A.R.O. equalizer settings. To clear the A.R.O.’s settings & turn off the Calibrate light, press and hold the Demo button and then press the Defeat button. Please note that you must perform this button sequence quickly. If you hold the Demo button for more than 2 seconds without touching the Defeat button, the Demo tones will start. Should this happen, simply wait for the Demo sequence to end and try again.

Calibrate Button

During the ARO test sequence the Calibrate button’s green LED will blink quickly to alert the user to two special conditions:

1.“JL Audio Microphone NOT Connected”: If you forget to connect the mic before trying to start a Calibration you will get this alert. Press the Calibrate button once to cancel the alert, connect the A.R.O. microphone, and try again.

2.“Inappropriate Sound Level for A.R.O. Calibration”: Since the A.R.O. sequence is completely automatic, this alert likely indicates a problem with the microphone. Press the Calibrate button once to cancel the alert. Ensure that the JL Audio microphone is properly connected and try again. For further help, please refer to Troubleshooting on page 33.

Input Mode Indicators

The Input Mode indicator LEDs show the input mode, either “Master” or “Slave”, selected by the switch on the Fathom’s back panel (unless the “Lights” switch is set to “off ”). For further details, see page 20.

Level Mode

The two-position Level Mode switch allows you to select between the following modes:

“Reference”

In this mode, the Master Level control knob has no effect on the Fathom’s output level. Use this setting if you will primarily be controlling the subwoofer level via your receiver or preamplifier/processor. For those of us with small children or overenthusiastic teenagers, this mode of operation will prevent direct manipulation of the Master Level.

“Variable”

In this mode, the Master Level control knob determines the output level of the Fathom subwoofer. This mode is also useful when level matching the Fathom subwoofer to a pair of stereo speakers in a two-channel system.

Fathom f110

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Contents F110 Risk of Electric Shock Do not Open Important Safety InstructionsFathom f110 Table of Contents FCC Compliance StatementIntroduction Product Overview Placing Your Fathom in Your Listening Room #&454&5*/104*5*0/4 Recommended Subwoofer Placement Options for One FathomRear-view of cabinet install Special Considerations for BUILT-IN InstallationsRecommended Subwoofer Placement Options for Two Fathoms Using Two FathomsFathom f110 Detailed instructions on unpacking the subwoofer Unpacking Your FathomFront Control Panel Rear Controls and Connectors Calibration Mic. Input Power SwitchFront Panel Controls in Detail Automatic Room Optimization A.R.OCalibrate Button Input Mode IndicatorsLevel Mode Defeat ButtonLP Freq Master Level KnobLights LP FilterPhase F. TrimPolarity Connecting Your Fathom Balanced InputsTechnical Notes RCA-type connection Tip Positive Unbalanced InputsInput Mode Switches Grounded / Isolated SwitchMaster / Slave Switch Output to Slave Connector Output to Slave connector is designed to be used as followsIEC-Style AC Connector Fathom Rear Controls Master Processor Stereo Active Crossover Balanced Outputs Fathom f110 On your Active Crossover or Bass Management Processor Recommended Setup ProceduresPreparation for Setup Process On your Home Theater Receiver or Preamp/ProcessorOn the Fathom’s Front Panel Subwoofer System Setup Level SettingPolarity and Phase Adjustment Applying Automatic Room Optimization A.R.O Extreme Low Frequency e.l.f. Trim Frequently Asked Questions Can I place objects on my subwoofer?Is the Fathom magnetically shielded? Gloss-black models Cleaning Your FathomTroubleshooting Fathom f110 International Warranties Limited Warranty / Service InformationIf you need service on your JL Audio product For Service Information in the U.S.A. please callFeatures

f110 specifications

The JL Audio Fathom f110 is a compact yet powerful subwoofer designed to deliver exceptional low-frequency performance in a variety of listening environments. This subwoofer is an integral component of the Fathom series, which is renowned for its commitment to high-quality sound and advanced technology. The f110 is designed to blend seamlessly with both audiophile-quality music systems and home theater setups.

One of the key features of the f110 is its 10-inch subwoofer driver, which is engineered for high output and low distortion. The driver is constructed with advanced materials, including a cast-alloy basket and a high-temperature voice coil, ensuring durability and reliability. This design allows the f110 to produce deep, precise bass with minimal cone breakup.

The f110 is powered by a robust onboard amplifier that delivers an impressive 1,000 watts of peak power, allowing it to handle dynamic audio passages with ease. This amplifier utilizes JL Audio's Differential Drive technology, which enables the driver to achieve exceptional efficiency and linearity. As a result, the f110 can deliver powerful bass without sacrificing clarity or definition.

In addition to its impressive driver and amplifier, the Fathom f110 is equipped with sophisticated DSP (Digital Signal Processing) capabilities. This technology allows for precise room correction and equalization, ensuring that the subwoofer performs optimally in any environment. The user-friendly interface allows listeners to adjust various parameters, such as room size, frequency response, and phase alignment, to achieve the desired sound profile.

The cabinet of the f110 is constructed from high-quality MDF and features a sophisticated design that minimizes internal resonances. Its sleek and modern exterior includes an elegant finish that complements any décor, providing an aesthetically pleasing addition to any audio setup.

Connectivity is also a top priority for the f110, as it includes multiple inputs and outputs, allowing for easy integration with various audio systems. The subwoofer can be connected via line-level inputs or speaker-level inputs, providing versatility for different configurations.

Overall, the JL Audio Fathom f110 is a powerful and versatile subwoofer that epitomizes quality and performance. Its combination of advanced technologies, high-output capabilities, and user-friendly features make it a superior choice for any audio enthusiast looking to enhance their listening experience. Whether for music playback or home theater applications, the f110 delivers an impactful and immersive sound experience.
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