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Krell Industries MASTER REFERENCE SUBWOOFER Optional Configurations, AC Mains Menu, LED Menu

Models: MASTER REFERENCE SUBWOOFER

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SECTION SEVEN

SECTION SEVEN

Optional Configurations

Five optional configurations are available on the Master Reference Subwoofer, to further customize subwoofer operation. Instructions for optional configurations follow.

AC Mains Menu

This option allows the Master Reference Subwoofer to be powered on from an AC wall receptacle with a dedicated switch, rather than from the back panel switch or other remote option.

1.Press the menu key (37).

2.Use the adjust keys (43) to select the AC Mains menu. The front panel display (4)

shows AC MAINS.

3.Press the enter key (38). The front panel display shows AC OFF.

4.Use the adjust keys to select AC ON or AC OFF.

5.Press the enter key to set the selection and return to the main menu.

6.Press the menu key to exit the menu mode and return to normal operation.

LED Menu

This option allows you to turn front panel LEDs (2,3) on and off.

1.Press the menu key (37).

2.Use the adjust keys (43) to select the LED menu. The front panel display (4) shows LED.

3.Press the enter key (38). The front panel display shows LED ON.

4.Use the adjust keys to select ON or OFF.

5.Press the enter key to set the selection and return to the main menu.

6.Press the menu key to exit the menu mode and return to normal operation.

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Krell Industries MASTER REFERENCE SUBWOOFER manual Optional Configurations, AC Mains Menu, LED Menu, Section Seven

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 WARNINGS Master Reference Subwoofer Owner’s ReferenceSECTION THREE Features, pages SECTION TWO Unpacking and Placement, pagesOverview SECTION ONE About Krell, pagesWARRANTY, pages SECTION SEVEN Optional Configurations, pagesRETURN AUTHORIZATION PROCEDURE, page SECTION FIVE Operation, pagesFigure 1, page List of IllustrationsFigure 2, page Figure 3, pagePage Dear Audio Enthusiast A Letter from Dan D’AgostinoSincerely Daniel D’Agostino Chief Executive OfficerThe Krell Legacy About KrellSECTION ONE 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 Innovative Subwoofer Technology and Design Ensuring Maximum PerformanceProgrammable Electronic Crossover Krell Active Motion ControlDrivers EnclosureKrell Proprietary Output Devices Krell Core TechnologiesKrell CAST and Krell Current Mode Totally Balanced Operation Totally Balanced Operation continued SECTION ONE About Krell 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 Unpacking Unpacking and PlacementTo Unpack the Master Reference Subwoofer SECTION TWO1 person needed To Remove the Subwoofer from the Packing Crate4 people needed Scenario 1 Stereo 3Master Reference SubwooferScenario 2 Home Theater, Rear Projection Scenario 3 Home Theater, Front ProjectionAC Power Guidelines PlacementFront Panel Description FeaturesSECTION THREE See Figure2 Power LED 1 Power Button3 Stand-byLED 4 Front Panel DisplayBack Panel Remote Connections PowerInputs OutputsMaster Reference Subwoofer 6 Power Switch Power7 AC Input Specification 8 IEC Power Connector12 RC-5In Inputs13 RS-232 14 Left and Right CAST Inputs19 LFE Single-endedInput Outputs20 Left and Right CAST High-passOutputs 21 Left and Right Balanced High-passOutputsLevel Adjust Keys PowerOperation Keys Filter Selection KeysBattery Installation and Removal Remote Control Description26 Power Key Remote Control Functions28 Phase Key 29 Preset KeysMenu Keys Filter Selection Keys32 Unit Keys 33 All Keyquency setting Level Adjust Keys43 Adjust Up and Down Keys Filter Parameter KeysStep V. Select the Phase Connections and ConfigurationsStep VI. Saving Your Settings to Presets OverviewCAST and Balanced Connections Connections and ConfigurationsStep I. Choose the Connections Factory Defaults Switching Between CAST and Balanced InputsDefault Menu Functions 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 C. Choosing Stereo, LFE, or Stereo/LFE D. When to Use LFE Only OptionA. Select the Low-passFilter C. Adjust the Low-passFilter ParametersB. Select the Low-passFilter Profile 1.Low-passFilter SlopeD. Select the High-passFilter F. Adjust the High-passFilter ParametersE. Select the High-passFilter Profile 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 To save a setting configuration to a preset Recalling Presets1.Press the preset key 1.Press the save keySECTION FIVE OperationThe Steps for Subwoofer Operation follow If You Wish to Turn Your System Off System ProtectionSubwoofer Care Optional Connections Connecting Components Through Krell LinkKrell Link SECTION SIXKrell Link Operation SECTION SIX Optional Connections continued RS-23212 VDC 12 V Trigger AC Mains Menu Optional ConfigurationsLED Menu SECTION SEVENUnit ID Menu Mute 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