Krell Industries MASTER REFERENCE SUBWOOFER manual Overview, Section ONE About Krell, pages

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Overview

This owner’s reference is written to assist you with the seamless integration of the Master Reference Subwoofer into your audio/video system. Due to the size and weight of the subwoofer, there are special placement and installation issues that require your attention. In addition, to use the programmable electronic crossover, you need to set system configurations before you play music. Please read and follow this guide carefully to ensure safe installation, set-up, and operation of the Master Reference Subwoofer in your listening environment.

This owner’s reference is divided into seven sections:

SECTION ONE: About Krell, pages 2-13

This section describes the Krell Legacy, Krell’s revolutionary CAST technology, and defines key terms used in this reference.

Krell Legacy. Krell’s ongoing pursuit of high-end audio excellence.

Revolutionary Krell CAST Technology. Krell’s revolutionary method of connecting analog audio components for unparalleled sonic performance.

Ensuring Maximum Performance. A description of Krell’s innovative technologies and design for the Master Reference Subwoofer as well as the core technologies developed for all Krell components.

Definition of Terms. Key terms used throughout the Master Reference Subwoofer

owner’s reference.

SECTION TWO: Unpacking and Placement, pages 14 -17

This section describes the procedures for unpacking and placement of the Master Reference Subwoofer in the listening room.

Unpacking. Removing the subwoofer from its shipping crate and safely moving the subwoofer into the listening room.

Placement. Options for placing the subwoofer in the listening room; and the AC Power Guidelines.

SECTION THREE: Features, pages 18-29

This section provides illustrations of the Master Reference Subwoofer front panel, back panel, and remote control, and descriptions of front panel, back panel, and remote control features.

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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 Basics of Cast Traditional Audio System and Voltage Signal TransmissionNew Approach Current Audio Signal Transmission Revolutionary Krell Cast TechnologyCast and Krell Current Mode Combined Cast CablesBest Musical Performance Krell Active Motion Control Ensuring Maximum PerformanceInnovative Subwoofer Technology and Design Programmable Electronic CrossoverDrivers 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 FeaturesFront Panel Display Power ButtonPower LED Stand-by LEDPower 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 To Connect the Subwoofer Switching Between Cast and Balanced InputsFactory Defaults Default Menu FunctionsPage To Activate Cast Inputs Choosing Stereo, LFE, or Stereo/LFE When to Use LFE Only OptionSelect the Low-pass Filter Profile Step III. Configure the Programmable Electronic CrossoverAdjust the Low-pass Filter Parameters Select the Low-pass FilterAdjust 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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