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Related Manuals for Krell Industries FBI
Summary of Contents for Krell Industries FBI
- Page 1 Fully Balanced Integrated Amplifier Instructions for Use Owner’s Reference...
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Page 2: Important Safety Instructions
The FBI must be placed on a firm, level surface where it is not exposed to dripping or splashing. -
Page 3: Table Of Contents
AC Power Guidelines FRONT PANEL / REMOTE CONTROL DESCRIPTION REMOTE CONTROL ONLY Battery Installation and Removal Remote Control Only Functions BACK PANEL DESCRIPTION CONNECTING THE FBI TO YOUR SYSTEM Connection Steps OPERATING YOUR FBI Amplifier Operation Tape Input and Output OPTIONAL CONFIGURATIONS... - Page 4 Illustrations FIGURE 1 The FBI Front Panel FIGURE 2 The FBI Remote Control FIGURE 3 The FBI Back Panel Page Krell FBI...
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Page 5: Introduction
Introduction Krell FBI Thank you for your purchase of the Krell FBI Remote Control Inte- grated Amplifier. This fully integrated amplifier and preamplifier has a fully balanced signal path from input to output and employs a wide bandwidth design with low negative feedback for sonic accu- racy throughout the frequency spectrum. -
Page 6: Revolutionary Krell Cast Technology
Krell Current Mode, the tech- nology developed to transfer the musical signal within a component. CAST combined with Krell Current Mode takes circuitry signal trans- mission to the next evolutionary level. In essence, Krell Current Mode Krell FBI... - Page 7 Revolutionary Krell CAST Technology, Krell FBI continued maintains the integrity of the signal within the component and CAST preserves the transmitted signal between components. Together, CAST and Krell Current Mode technologies unify separate Krell components into a single global circuit. Krell Current Mode technology enjoys band- width increases up to an order of magnitude greater than their voltage based counterparts.
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Page 8: Definition Of Terms
A two-wire input or output circuit. Use care when using single- ended connections as the ground connection is made last and broken first. Turn the system off prior to making or breaking sin- gle-ended connections. Single-ended connections are not recom- mended for connections requiring long cable runs. Krell FBI... -
Page 9: Operation
Definition of Terms, continued OPERATION TECHNOLOGY Krell FBI The component is off when the AC power cord is unplugged from the wall receptacle. Stand-by Mode A low power consumption status that keeps the audio circuits at idle. When you plug the AC power cord into the wall receptacle, and turn on the rear panel breaker switch, the red stand-by LED illuminates. -
Page 10: Unpacking
Krell dealer or distributor. Save all packing materials. If you need to ship your FBI in the future, repack the unit in its original packaging to prevent shipping damage. See Return Authorization Procedure, on page 29, for more information. -
Page 11: Placement
FBI. This will facilitate a clean, trouble-free installation. The FBI does not require any type of special rack or cabinet for installation. For the dimensions of the FBI, see Specifications, on the back cover. - Page 12 Figure 1 The FBI Front Panel Power Power Button or Key Power Indicator Stand-by LED Infrared Sensor Analog Devices C-1 Button, Key and LED B-1 Button, Key and LED S-1, S-2, S-3, and B-1, Buttons, Keys and LEDs Tape Button or Key...
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Page 13: Front Panel/Remote Control Description
16: 1 Power Button or Key Use this button or key to switch the FBI between the stand-by and the operational modes. 2 Power Indicator The blue power indicator illuminates when the FBI is in the opera- tional mode. -
Page 14: Mode Indicators
The output level is indi- cated numerically on the front panel display (13), with a range from 0-151. 13 Front Panel Display The front panel display shows volume and balance levels and Theater Throughput status. Krell FBI... -
Page 15: Remote Control Only
See Figure 2 on page 12 Battery Installation Removal Notes Krell FBI The remote control uses 2 AAA-size 1.5 Volt batteries. Batteries are included with the shipment. To install the batteries: Remove the remote control backplate, using the supplied T-10 Torx wrench. -
Page 16: Remote Control Only Functions
A display means the balance is severely left of center. The numbered remote control keys function with the FBI. The CD player keys on this remote control activate some Krell source components. - Page 17 Figure 3 The FBI Back Panel Amplifier Channel Outputs Left and Right Loudspeaker Outputs Analog Inputs Left and Right CAST Inputs Left and Right Balanced Analog Inputs Left and Right Single- ended Analog Inputs Left and Right Tape Inputs Analog Outputs...
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Page 18: Back Panel Description
16 Krell CAST Inputs The FBI is equipped with one pair of Krell CAST inputs via 4-pin bayonet connectors. Krell CAST inputs allow the Fully Balanced Integrated amplifier to be connected to any Krell CAST-equipped component. -
Page 19: Remote Connections
When the FBI is in the operational mode, the 12 V trigger provides 12 Volts of DC output. When the FBI is in the stand-by mode or off, the DC output is 0 Volts. A maximum of 30 mA is available from the 12 V trigger output. -
Page 20: Connecting The Fbi To Your System
(15) of the FBI, located on the back panel. Loudspeaker binding posts accept spade lugs only. Plug the AC power cord into the IEC connector (25) on the back panel of the FBI. Plug the other end of the power cord into the AC wall receptacle. Krell FBI... -
Page 21: Operating Your Fbi
See Remote Control Functions, on page 16, for more informa- tion. The FBI is easy to operate. However, great care should be exer- cised when operating a system that includes the FBI, because of the amplifier’s power output. Switching between active sources without muting the preamplifier output, or bumping/miscuing a device, can generate large transients at low frequencies. -
Page 22: Operating Your Fbi
(12). To turn the FBI off, press the power button on the front panel or the power key on the remote control (1). The red stand-by LED (3) illuminates, and the FBI is in the stand-by mode. -
Page 23: Optional Configurations
Krell FBI 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, or S-3) to operate as a unity gain stage. Krell calls this configuration Theater Throughput. -
Page 24: Preamplifier Outputs
Note The FBI is equipped with a pair of single-ended preamplifier out- puts (19). These outputs enable the FBI to be used as a preampli- fier when it is connected to a separate amplifier. The amplifier channel outputs are always active, even when the FBI is being used only as a preamplifier. -
Page 25: How To Troubleshoot System Noise
If a low frequency hum emanates from the loudspeakers when you place the FBI amplifier into the system, follow these simple troubleshooting steps: Check all cable terminations, making sure they have solid sol- der joints and are of sound construction. -
Page 26: Questions And Answers
I set the volume on the FBI? You do not need to set the volume on the FBI because the amplifier’s volume and balance controls are not active in the Theater Throughput mode. When using the FBI’s Theater Throughput capability, the surround sound processor controls the system volume. -
Page 27: Warranty
15 days of purchase. Thank you. Krell FBI Krell products have a limited warranty. Amplifiers, preamplifiers, preamp/ processors, and receivers carry a limited warranty of five years for parts and labor on circuitry. Loudspeakers carry a limited warranty of five years for parts and labor. - Page 28 All operational features, functions, and specifications and policies are subject to change without notification. Krell FBI...
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Page 29: Return Authorization Procedure
IMPORTANT HOW TO PURCHASE ADDITIONAL PACKING Krell FBI If you believe there is a problem with your component, please contact your dealer, distributor, or the Krell factory to discuss the problem before you return the component for repair. To expedite... -
Page 30: Specifications
Krell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-298-4000, FAX 203-891-2028 E-MAIL krell@krellonline.com WEB SITE www.krellonline.com Specifications All operational features, functions, specifications, and policies are subject to change without notification. FREQUENCY RESPONSE 20 Hz–20 kHz +0.0 -0.05 dB SIGNAL-TO-NOISE RATIO “A”...
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