Krell Industries KAV 3250, KAV2250 manual Amplifier Operation, ON/OFF and Operation, Off first

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Amplifier Operation

ON/OFF AND OPERATION

When powering up your system, turn amplifiers

on last. When powering down your

system, turn amplifiers

off first.

The procedures for amplifier operation follow.

1.Plug the AC power cord into the AC power wall receptacle.

2.Push the back panel power switch (14) up (on). The red stand-by LED (2) illuminates.

3.Press the power button (1) on the front panel. The blue power indicator (3) illuminates and you hear a click.

There will be a brief delay before the component can be put in the operational mode after the back panel power switch is first pushed up.

Krell recommends leaving the amplifier in the stand-by mode unless you will not be playing music for a long time.

IMPORTANT

Always turn the amplifier off before changing input connections, and mute or fully attenuate the preamplifier level when switching sources.

The amplifier has tremendous reserves of power and safely drives loudspeakers to extremely high sound pressure levels. However, use care when setting high playback levels and lower the volume level at any sign of loudspeaker distress.

USING A DEDICATED WALL SWITCH

The amplifier can also be powered on from an AC wall receptacle with a dedicated switch, rather than from the front panel power button. Please contact your authorized Krell dealer, distributor, or Krell for more information before you connect the amplifier to a dedicated AC wall outlet with a switch.

Krell KAV–2250 and KAV–3250

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Contents Instructions for Use Owner’s Reference Stereo Power AmplifierThree-channel Power Amplifier KAV-2250 Stereo Power Amplifier Contents KAV-2250 Front Panel IllustrationsIntroduction Input and Output Connections ConfigurationsDefinition of Terms Definition of Terms OperationTechnology Unpacking AC Power Guidelines PlacementSpecifications Power CordKAV-2250 Front Panel Power Indicator Power ButtonFront Panel Description Stand-by LEDKAV-2250 Back Panel Back Panel Description Reconfiguration Options for the KAV-2250 and the KAV-3250Inputs OutputsBack Panel Description Connecting the Amplifier to Your System Connecting the Amplifier Amplifier Operation Using a Dedicated Wall SwitchON/OFF and Operation Off firstTroubleshooting System Noise To Safely Access the Input Switch Banks Reconfiguration Options for the KAV-2250 and KAV-3250Amplifier Factory Default Settings Reconfiguring the KAV-2250 for MAT Operation Reconfiguration Options Amplifier Factory Default SettingsReconfiguring the Amplifier for MAT Operation Not illustrated Reconfiguring the KAV-2250 for Bridged Operation Connecting the Amplifier Reconfigured for MAT Reconfiguring the Amplifier for Bridged OperationLoudsp Connecting the Amplifier to Your System Questions and AnswersIf you have purchased your Krell product outside the U.S.A WarrantyTo contact the Krell Service Department Return Authorization ProcedureKAV-2250 SpecificationsKAV-3250 KAV-2250