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Krell Industries MASTER REFERENCE SUBWOOFER manual Optional Connections, Krell Link, Section Six

Models: MASTER REFERENCE SUBWOOFER

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SECTION SIX

SECTION SIX

Optional Connections

This section describes three optional connections for the Master Reference Subwoofer. Krell Link connections (9) allow you to synchronize subwoofer operation with other Krell components that have Krell Link in and out connectors. The RS-232 port (13) allows you to connect the subwoofer to a computer-based control system. The 12 VDC (12 V trigger) input and output (10) allow you to integrate the subwoofer into a system with other components that use a 12 Volt trigger.

Krell Link

Krell Link in/out connectors on the back panel allow you to integrate the Master Reference Subwoofer into systems that include multiple preamplifiers, amplifiers and associated components, to synchronize their operation with a remote control. When the Krell Link in/out connectors are used, the remote capabilities of linked components are controlled from one component, called the control component. The linked components respond to stand-by and operational commands from the control component via MIDI cables.

Notes

The Master Reference Subwoofer cannot be used as the control component.

The Master Reference Subwoofer remote control takes priority over Krell Link commands. The CAST features of the Master Reference Subwoofer cannot be switched via Krell Link.

Krell Link uses standard five-pin MIDI communication cables, sometimes called MIDI Plus cables. These MIDI cables can be purchased from your authorized distributor or dealer, or from an audio supply store.

Connecting Components Through Krell Link

Use one or more five-pin MIDI cables (sometimes called MIDI Plus cables) to create an active Krell Link with Master Reference Subwoofers.

1.Turn all components off. This ensures components are synchronized when the MIDI cables are connected.

2.Select the control component. It must be in plain view for proper remote control operation.

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Krell Industries MASTER REFERENCE SUBWOOFER manual Optional Connections, Connecting Components Through Krell Link

Contents

O W N E R ’ S R E F E R E N C E M R SM A 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 WARNINGSOverview SECTION TWO Unpacking and Placement, pagesSECTION THREE Features, pages SECTION ONE About Krell, pagesRETURN AUTHORIZATION PROCEDURE, page SECTION SEVEN Optional Configurations, pagesWARRANTY, pages SECTION FIVE Operation, pagesFigure 2, page List of IllustrationsFigure 1, page Figure 3, pagePage Sincerely Daniel D’Agostino A Letter from Dan D’AgostinoDear Audio Enthusiast Chief Executive OfficerSECTION ONE About KrellThe Krell Legacy for workmanship, style, and performance.”From the first Krell product - the KSA-100- to the present, Dan D’Agostino has continually “pushed the envelope” of performance in his search for greater amplifier power and now, subwoofer power. His exploration of technologies, driven by his never-endingquest to elevate the standard of excellence, has resulted in break- through audio designs. Over the years, the Krell line of power amplifiers, including benchmark products such as the KRS -100,KRS -200,and the Audio Standard models, has established a legacy of unparalleled sonic performance. The Master Reference Subwoofer brings that level of performance to the low frequency range The Basics of CAST A New Approach Current Audio Signal TransmissionRevolutionary Krell CAST Technology The Best Musical Performance CAST and Krell Current Mode CombinedCAST Cables Programmable Electronic Crossover Ensuring Maximum PerformanceInnovative Subwoofer Technology and Design Krell Active Motion ControlEnclosure DriversKrell Proprietary Output Devices Krell Core TechnologiesKrell CAST and Krell Current Mode Totally Balanced Operation SECTION ONE About Krell continued Totally Balanced Operation continuedInputs and Outputs ConfigurationsDefinition of Terms Krell Active Motion Control OperationTechnology Krell Current Mode A proprietary Krell circuit topology in which the audio gain stages operate in the current domain. Krell Current Mode provides speed and bandwidth performance that is not possible with less sophisticated voltage designs To Unpack the Master Reference Subwoofer Unpacking and PlacementUnpacking SECTION TWO1 person needed To Remove the Subwoofer from the Packing Crate4 people needed Scenario 2 Home Theater, Rear Projection 3Master Reference SubwooferScenario 1 Stereo Scenario 3 Home Theater, Front ProjectionPlacement AC Power GuidelinesSECTION THREE FeaturesFront Panel Description See Figure3 Stand-byLED 1 Power Button2 Power LED 4 Front Panel DisplayInputs PowerBack Panel Remote Connections OutputsMaster Reference Subwoofer 7 AC Input Specification Power6 Power Switch 8 IEC Power Connector13 RS-232 Inputs12 RC-5In 14 Left and Right CAST Inputs20 Left and Right CAST High-passOutputs Outputs19 LFE Single-endedInput 21 Left and Right Balanced High-passOutputsOperation Keys PowerLevel Adjust Keys Filter Selection KeysRemote Control Description Battery Installation and Removal28 Phase Key Remote Control Functions26 Power Key 29 Preset Keys32 Unit Keys Filter Selection KeysMenu Keys 33 All Key43 Adjust Up and Down Keys Level Adjust Keysquency setting Filter Parameter KeysStep VI. Saving Your Settings to Presets Connections and ConfigurationsStep V. Select the Phase OverviewCAST and Balanced Connections Connections and ConfigurationsStep I. Choose the Connections Default Menu Functions Switching Between CAST and Balanced InputsFactory Defaults A. To Connect the Subwoofer18or the single-endedLFE input 19 on the subwoofer back panel to the subwoofer output of your processor B. To Activate CAST Inputs D. When to Use LFE Only Option C. Choosing Stereo, LFE, or Stereo/LFEB. Select the Low-passFilter Profile C. Adjust the Low-passFilter ParametersA. Select the Low-passFilter 1.Low-passFilter SlopeE. Select the High-passFilter Profile F. Adjust the High-passFilter ParametersD. Select the High-passFilter 3.Low-passFilter LevelA. Adjust the High-passFilter B. Adjust the Low-passFilter C. To End Noise Generation Step V. Select the PhaseStep VI. Saving Your Settings to Presets 1.Press the preset key Recalling PresetsTo save a setting configuration to a preset 1.Press the save keySECTION FIVE OperationThe Steps for Subwoofer Operation follow If You Wish to Turn Your System Off System ProtectionSubwoofer Care Krell Link Connecting Components Through Krell LinkOptional Connections SECTION SIXKrell Link Operation SECTION SIX Optional Connections continued RS-23212 VDC 12 V Trigger LED Menu Optional ConfigurationsAC Mains Menu SECTION SEVENMute Menu Unit ID Menu2.Press the enter key 38. You exit the menu mode Exit MenuThis option allows you to exit the menu mode Warranty Page serve you better Return Authorization ProcedureTo contact the Krell Service Department