Krell Industries MASTER REFERENCE SUBWOOFER manual Filter Selection Keys, Menu Keys

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(SECTION THREE: Features continued)

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32 Unit Keys

Use these keys to assign an ID to each component when multiple subwoofers are installed in a configuration. For instructions on assigning an ID, see Optional Configurations, on page 48, for more information.

33 All Key

Use this key to control all subwoofers at once, for example, to mute, power on, or set preset configurations for all subwoofers in a configuration.

34 Mute Key

Use this key to mute the low-pass (sub) and the high-pass filter output. To unmute, press the mute key again. To customize the mute key operation, see Optional Configurations, on page 48.

Filter Selection Keys

35 Section Sub Key

Use this key to access the low-pass (sub) filter parameters for your system. The filter’s type, frequency, slope, and level can be adjusted. See Steps III and IV, on pages 36-40, for more information.

36 Section High Key

Use this key to access the high-pass filter parameters for your system. The filter’s type, frequency, slope, and level can be adjusted. See Steps III and IV, on pages 36-40, for more information.

Menu Keys

37 Menu Key

Use this key to activate the menu system, to customize subwoofer settings. The front panel display (4) shows MENU when the menu key is pressed. Use the adjust up and down keys (43) to scroll through menu selections.

38 Enter Key

Use this key to set a menu selection or to access a submenu selection.

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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 Overview Section ONE About Krell, pagesSection Five Operation, pages 42 List of Illustrations Page Letter from Dan D’Agostino About Krell Krell LegacyPage Revolutionary Krell Cast Technology Traditional Audio System and Voltage Signal TransmissionNew Approach Current Audio Signal Transmission Basics of CastCast Cables Cast and Krell Current Mode CombinedBest Musical Performance Programmable Electronic Crossover Ensuring Maximum PerformanceInnovative Subwoofer Technology and Design Krell Active Motion ControlEnclosure DriversKrell Core Technologies Krell Cast and Krell Current ModeKrell Proprietary Output Devices Totally Balanced Operation Section ONE About Krell Totally Balanced Operation Definition of Terms ConfigurationsInputs and Outputs Operation TechnologyPage Unpacking Unpacking and PlacementTo Unpack the Master Reference Subwoofer To Remove the Subwoofer from the Packing Crate Master Reference Subwoofer Placement Options Placement AC Power GuidelinesFeatures Front Panel DescriptionStand-by LED Power ButtonPower LED Front Panel DisplayPower Master Reference Subwoofer Back Panel Description PowerBack Panel Remote Connections Inputs Outputs Operation Keys Remote Control Description Battery Installation and RemovalRemote Control Functions Operation KeysFilter Selection Keys Menu KeysLevel Adjust Keys Filter Parameter KeysConnections and Configurations OverviewStep I. Choose the Connections Connections and ConfigurationsCast and Balanced Connections Default Menu Functions Switching Between Cast and Balanced InputsFactory Defaults To Connect the SubwooferPage To Activate Cast Inputs When to Use LFE Only Option Choosing Stereo, LFE, or Stereo/LFESelect the Low-pass Filter Step III. Configure the Programmable Electronic CrossoverAdjust the Low-pass Filter Parameters Select the Low-pass Filter ProfileSelect the High-pass Filter Adjust the High-pass Filter ParametersSelect the High-pass Filter Profile Adjust the High-pass Filter Step IV. Match the High-pass and Low-pass Filter LevelsAdjust the Low-pass Filter Step VI. Saving Your Settings to Presets Step V. Select the PhaseTo End Noise Generation Recalling Presets Operation Steps for Subwoofer Operation followSubwoofer Care System ProtectionIf You Wish to Turn Your System Off Optional Connections Connecting Components Through Krell LinkKrell Link Krell Link Operation RS-232 VDC 12 V TriggerAC Mains Menu Optional ConfigurationsLED Menu Mute Menu Unit ID MenuExit Menu Warranty Page Return Authorization Procedure To contact the Krell Service Department

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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