Krell FBI - Manual

Krell FBI 5 Introduction Thank you for your purchase of the Krell FBI Remote Control Inte-grated Amplifier. This fully integrated amplifier and preamplifier hasa fully balanced signal path from input to output and employs awide bandwidth design with low negative feedback for sonic accu-racy througho...

6 Krell FBI Current Audio Signal Transmission, termed CAST, is a revolutionary method of connecting analog audio components for unparalleled sonic performance. Innovative engineering combines the new Krell CAST cir- cuitry with existing Krell Current Mode technology to create entire CAST systems tha...

Definition of Terms Following are the definitions of key terms used in your owner’sreference manual. Theater ThroughputTheater Throughput is a Krell configuration option that allows thesignal from a surround preamp/processor to pass through a Krellpreamplifier or integrated amplifier input at unity ...

Definition of Terms, continued OffThe component is off when the AC power cord is unplugged fromthe wall receptacle. Stand-by ModeA low power consumption status that keeps the audio circuits atidle. When you plug the AC power cord into the wall receptacle,and turn on the rear panel breaker switch, th...

10 Krell FBI Unpacking Two people are needed to remove the Fully Balanced Integratedamplifier from its shipping box safely and easily. 1. Open the shipping carton and remove the top layer of foam.The carton contains : 1 Fully Balanced Integrated Amplifier 1 AC power cord1 12 VDC (12 V trigger) cable...

Krell FBI 11 Placement Before you install the FBI into your system, please review the fol-lowing guidelines to choose the proper location for the FBI. Thiswill facilitate a clean, trouble-free installation. The FBI does not require any type of special rack or cabinet forinstallation. For the dimensi...

12 Krell FBI Figure 1 The FBI Front Panel Figure 2 The FBI Remote Control Power 1 Power Button or Key 2 Power Indicator 3 Stand-by LED 4 Infrared Sensor Analog Devices 5 C-1 Button, Key and LED 6 B-1 Button, Key and LED 7 S-1, S-2, S-3, and B-1, Buttons, Keys and LEDs 8 Tape Button or Key 9 Tape LED...

Front Panel / Remote Control Description See Figures 1 and 2 on page 12 Krell FBI 13 Power, analog input selections, and volume control accessed viathe FBI front panel buttons or remote control keys are describedbelow. The front panel display shows volume and balance levels,and Theater Throughput st...

14 Krell FBI Front Panel Description, continued 8 Tape Button or KeyUse this button or key to playback pre-recorded tapes and com-pare the output signal of an analog tape recorder to an audiosource. See Tape Input and Output, on page 22. 9 Tape LEDThe red tape monitor LED illuminates when the tape m...

Remote Control Only See Figure 2 on page 12 Krell FBI 15 The remote control uses 2 AAA-size 1.5 Volt batteries. Batteries are included with the shipment. To install the batteries: 1. Remove the remote control backplate, using the supplied T-10 Torx wrench. 2. Install the batteries, following the bat...

Figure 3 The FBI Back Panel Krell FBI 17 Amplifier Channel Outputs 15 Left and Right Loudspeaker Outputs Analog Inputs 16 Left and Right CAST Inputs 17 Left and Right Balanced Analog Inputs 18 Left and Right Single- ended Analog Inputs 19 Left and Right Tape Inputs Analog Outputs 20 Left and Right T...

Back Panel Description See Figure 3 on page 17 18 Krell FBI The FBI back panel provides connections for all inputs and out-puts, power on/off, and additional remote connections. 15 Left and Right Loudspeaker OutputsTwo pairs of loudspeaker binding posts are available for eachchannel of amplification...

20 Krell FBI Krell recommends using balanced interconnect cables. Balancedinterconnect cables not only can minimize sonic loss but are alsoimmune to induced noise, especially with installations using longcables. Balanced connections have 6 dB more gain than single-ended connections. When level match...

Krell FBI 21 This section provides information about operating the FullyBalanced Integrated amplifier. The FBI provides basic input selec-tion and volume control operation from the front panel. Theremote control includes additional preamplifier and volume func-tions as well as compact disc transport...

Krell FBI 23 To simplify the integration of an audio/video surround sound proces-sor into your system, set any input on the FBI (C-1, B-1,S-1, S-2, orS-3) to operate as a unity gain stage. Krell calls this configurationTheater Throughput. When you configure a FBI input for Theater Throughput, the FB...

Krell FBI 25 AC grounding becomes critical when connecting high perform-ance audio components. When you mix and match audio compo-nents, each with its own ground potential, a low frequency hummay occur in one or both loudspeakers. This sometimes occurswhen introducing a new component into a system. ...

26 Krell FBI Q. Should I leave my FBI on at all times? A. Krell recommends leaving the amplifier in the stand-by mode,ready to play music. If you are not going to play music for along time, you may disconnect the amplifier from AC powersupply. Q. When I turn on the amplifier there is a loud hum thro...

Krell FBI 27 Krell products have a limited warranty. Amplifiers, preamplifiers, preamp/processors, and receivers carry a limited warranty of five years for partsand labor on circuitry. Loudspeakers carry a limited warranty of fiveyears for parts and labor. CD and DVD players carry a limited warranty...

Krell FBI 29 Return Authorization Procedure If you believe there is a problem with your component, pleasecontact your dealer, distributor, or the Krell factory to discuss the problem before you return the component for repair. To expediteservice, you may wish to complete and e-mail the ServiceReques...

FREQUENCY RESPONSE 20 Hz–20 kHz +0.0 -0.05 dB SIGNAL-TO-NOISE RATIO “A” weighted -108 dB TOTAL HARMONIC DISTORTION (THD) 1 kHz <0.04% 20 kHz <0.3% GAIN 36.4 dB INPUT SENSITIVITY 0.741 V rms INPUT IMPEDANCE 210 kOhms POWER CONSUMPTION Stand-by 70 W Idle 185 W Max. 1,800 W INPUTS All with Theate...