Krell Industries MASTER REFERENCE SUBWOOFER manual Connections and Configurations, Overview

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SECTION FOUR

Connections and Configurations

See Figures 3 and 4.

Overview

This page outlines the connections (Steps I and II ) and configurations ( Steps III through VI ) for the Master Reference Subwoofer. These instructions let you set up your subwoofer for optimum performance. Detailed instructions begin on page 31.

Krell recommends that you configure your Master Reference Subwoofer in the following order.

Step I. Choose the Connections

This step discusses the CAST, balanced, and single-ended connections that are available on the Master Reference Subwoofer, explains switching between CAST and balanced inputs, and lists factory defaults.

Step II. Connecting the Master Reference Subwoofer to Your System

This step explains how to connect CAST, balanced, and single-ended inputs and outputs, to integrate the subwoofer into your system. It also explains the three connection options available: stereo, LFE, and stereo/LFE.

Step III. Configure the Programmable Electronic Crossover

This step explains how to configure the subwoofer’s low-pass and high-pass filters, by selecting the appropriate filter profile (Butterworth, Bessel, or Linkwitz-Riley), and adjusting the slope, frequency, and level parameters for each filter profile.

Step IV. Match the High-pass and Low-pass Filter Levels

This step explains how to match the high-pass and low-pass filter levels using the Master Reference Subwoofer’s built-in noise generator.

Step V. Select the Phase

This step explains how to select normal or inverted phase, to complete the configuration and ensure optimum music quality.

Step VI. Saving Your Settings to Presets

This step explains how to save configuration settings to presets and how to recall presets.

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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 Traditional Audio System and Voltage Signal Transmission New Approach Current Audio Signal TransmissionRevolutionary Krell Cast Technology Basics of CastCast and Krell Current Mode Combined Cast CablesBest Musical Performance Ensuring Maximum Performance Innovative Subwoofer Technology and DesignProgrammable Electronic Crossover Krell Active Motion ControlEnclosure DriversKrell 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 Operation TechnologyPage Unpacking and Placement UnpackingTo Unpack the Master Reference Subwoofer To Remove the Subwoofer from the Packing Crate Master Reference Subwoofer Placement Options Placement AC Power GuidelinesFeatures Front Panel DescriptionPower Button Power LEDStand-by LED Front Panel DisplayPower Master Reference Subwoofer Power Back Panel DescriptionBack 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 OverviewConnections and Configurations Step I. Choose the ConnectionsCast and Balanced Connections Switching Between Cast and Balanced Inputs Factory DefaultsDefault Menu Functions To Connect the SubwooferPage To Activate Cast Inputs When to Use LFE Only Option Choosing Stereo, LFE, or Stereo/LFEStep III. Configure the Programmable Electronic Crossover Adjust the Low-pass Filter ParametersSelect 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 Adjust the High-pass Filter Step IV. Match the High-pass and Low-pass Filter LevelsAdjust the Low-pass Filter Step V. Select the Phase Step VI. Saving Your Settings to PresetsTo End Noise Generation Recalling Presets Operation Steps for Subwoofer Operation followSystem Protection Subwoofer CareIf You Wish to Turn Your System Off Connecting Components Through Krell Link Optional ConnectionsKrell Link Krell Link Operation RS-232 VDC 12 V TriggerOptional Configurations AC Mains MenuLED 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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