Krell Industries MASTER REFERENCE SUBWOOFER manual Remote Control Functions, Operation Keys

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Remote Control Functions

See Figure 5.

The Master Reference Subwoofer remote control provides power, subwoofer functions, and menu and programming options, as well as stand-by and operational mode commands for components connected through Krell Link. Remote control features and their descriptions follow.

Power

26 Power Key

Use this key to switch the Master Reference Subwoofer from the stand-by to the operational mode.

Operation Keys

27 CAST Key

Use this key to select CAST operation for an available input. The front panel display (4) will indicate when CAST is selected. See Step II. Connecting the Master Reference Subwoofer to Your System, on page 32, for information on

CAST input options.

Note

The Master Reference Subwoofer will not switch to CAST unless a CAST input is connected.

28 Phase Key

Use this key to invert the phase of the low-pass filter output.

29 Preset Keys

Use these keys to store and select customized menu settings. See Step VI. Saving Your Settings to Presets, on page 40, for more information.

30 Thtr (Theater) Key

Use this key to store and select customized menu settings. Krell recommends reserving this preset for the stereo/LFE combination or LFE only connection options. See Step VI. Saving Your Settings to Presets, on page 40, for more information.

31 Save Key

Use this key to save menu settings. The front panel display (4) shows SAVE and the selected preset number when this feature is activated.

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Contents S T E R R E F E R E N C E S U B W O O F E R Master Reference Subwoofer Owner’s Reference Section ONE About Krell, pages OverviewSection Five Operation, pages 42 List of Illustrations Page Letter from Dan D’Agostino Krell Legacy About KrellPage New Approach Current Audio Signal Transmission Traditional Audio System and Voltage Signal TransmissionRevolutionary Krell Cast Technology Basics of CastCast and Krell Current Mode Combined Cast CablesBest Musical Performance Innovative Subwoofer Technology and Design Ensuring Maximum PerformanceProgrammable Electronic Crossover Krell Active Motion ControlDrivers EnclosureKrell Cast and Krell Current Mode Krell Core TechnologiesKrell Proprietary Output Devices Totally Balanced Operation Section ONE About Krell Totally Balanced Operation Configurations Definition of TermsInputs and Outputs Technology OperationPage Unpacking and Placement UnpackingTo Unpack the Master Reference Subwoofer To Remove the Subwoofer from the Packing Crate Master Reference Subwoofer Placement Options AC Power Guidelines PlacementFront Panel Description FeaturesPower LED Power ButtonStand-by LED Front Panel DisplayPower Master Reference Subwoofer Power Back Panel DescriptionBack Panel Remote Connections Inputs Outputs Operation Keys Battery Installation and Removal Remote Control DescriptionOperation Keys Remote Control FunctionsMenu Keys Filter Selection KeysFilter Parameter Keys Level Adjust KeysOverview Connections and ConfigurationsConnections and Configurations Step I. Choose the ConnectionsCast and Balanced Connections Factory Defaults Switching Between Cast and Balanced InputsDefault Menu Functions To Connect the SubwooferPage To Activate Cast Inputs Choosing Stereo, LFE, or Stereo/LFE When to Use LFE Only OptionAdjust the Low-pass Filter Parameters Step III. Configure the Programmable Electronic CrossoverSelect the Low-pass Filter Select the Low-pass Filter ProfileAdjust the High-pass Filter Parameters Select the High-pass FilterSelect the High-pass Filter Profile Step IV. Match the High-pass and Low-pass Filter Levels Adjust the High-pass FilterAdjust the Low-pass Filter Step V. Select the Phase Step VI. Saving Your Settings to PresetsTo End Noise Generation Recalling Presets Steps for Subwoofer Operation follow OperationSystem Protection Subwoofer CareIf You Wish to Turn Your System Off Connecting Components Through Krell Link Optional ConnectionsKrell Link Krell Link Operation VDC 12 V Trigger RS-232Optional Configurations AC Mains MenuLED Menu Unit ID Menu Mute MenuExit Menu Warranty Page To contact the Krell Service Department Return Authorization Procedure

MASTER REFERENCE SUBWOOFER specifications

Krell Industries has long been synonymous with high-end audio equipment, and their Master Reference Subwoofer is a testament to this legacy of excellence. Designed to deliver an unparalleled listening experience, the Master Reference Subwoofer is engineered to provide deep, powerful bass without compromising clarity or detail.

One of the standout features of the Master Reference Subwoofer is its robust construction. The cabinet is made from high-density materials that minimize resonances and vibrations, ensuring that the purity of the audio signal is maintained. This attention to detail is crucial, as unwanted vibrations can color the sound and detract from the listening experience. The design also includes internal bracing that further enhances stiffness, resulting in a more controlled bass response.

At the heart of the Master Reference Subwoofer is a custom-engineered driver, designed to handle the demands of high-powered audio. With a large diaphragm and a powerful motor system, this driver can reproduce lower frequencies with remarkable accuracy. The subwoofer utilizes a sophisticated suspension system that allows for greater travel while maintaining linearity, resulting in an impressive dynamic range. This means that whether you're listening to the subtle nuances of a classical piece or the thunderous explosions of an action movie, the Master Reference Subwoofer can handle it all with finesse.

Krell's proprietary technologies further enhance the performance of the Master Reference Subwoofer. The subwoofer features advanced digital signal processing (DSP) that allows for precise tuning and customization of the audio output. This ensures that the subwoofer can adapt to different room acoustics and individual preferences, resulting in optimal sound quality in any environment. Moreover, the Room EQ feature automatically analyzes the listening space and adjusts the output accordingly, providing an incredible level of personalization.

Connectivity options on the Master Reference Subwoofer are diverse and versatile, including XLR and RCA inputs, making it compatible with a wide range of audio systems. The intuitive interface allows users to easily navigate through various settings, making setup and adjustment a breeze.

In summary, the Krell Industries Master Reference Subwoofer showcases the company's commitment to audio excellence through its unmatched construction, innovative driver technology, and advanced digital processing capabilities. For audiophiles seeking a subwoofer that delivers not just deep bass, but also accuracy and control, the Master Reference Subwoofer stands out as a premier choice, elevating any listening experience to new heights.
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