Krell Industries MASTER REFERENCE SUBWOOFER manual Section Five Operation, pages 42

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(Overview continued)

SECTION FOUR: Connections and Configurations, pages 30- 41

This section provides information on connecting and configuring the Master Reference Subwoofer before playing music.

Connections. Integrating the Master Reference Subwoofer with other components in your system using CAST, balanced, or single-ended connections, as well as connecting the Master Reference Subwoofer (for stereo and low frequency effect operation).

Configurations. Instructions for setting configurations before you play music and how to save your settings to presets.

SECTION FIVE: Operation, pages 42 -43

This section provides instructions for how to power on and power off manually.

SECTION SIX: Optional Connections, pages 44 - 46

This section describes the remote connection options that enable you to power on and control the Master Reference Subwoofer automatically.

Krell Link Connections and Operation. Describing how Krell Link works. Connecting and operating components connected through Krell Link.

RS-232 Connection. Describing an additional remote connection for receiving commands from a computer-based control system.

12 VDC (12 V Trigger) Connections. Describing an additional remote control option for the Master Reference Subwoofer and other components that contain a 12 V trigger.

SECTION SEVEN: Optional Configurations, pages 47- 49

This section provides instructions for setting optional configurations, including turning LEDs on and off and selecting AC Mains operation.

WARRANTY, pages 50-51

RETURN AUTHORIZATION PROCEDURE, page 52

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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 Cables Cast and Krell Current Mode CombinedBest Musical Performance Ensuring Maximum Performance Innovative Subwoofer Technology and DesignProgrammable Electronic Crossover 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 DescriptionPower Button Power LEDStand-by 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 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 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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