Krell Industries Connecting the FBI to Your System, Connection Steps, Pin assignments for the

Connecting the FBI

to Your System

USING BALANCED	Krell recommends using balanced interconnect cables. Balanced
CONNECTIONS	interconnect cables not only can minimize sonic loss but are also
	immune to induced noise, especially with installations using long
	cables. Balanced connections have 6 dB more gain than single-
	ended connections. When level matching is critical, keep this gain
	value in mind.

Connection Steps

Follow these steps to connect the FBI to your system.

1.Make sure all power sources and components are off before connecting inputs and outputs.

2.Neatly organize the wiring between the FBI and all system components. Separate AC wires from audio cables to prevent hum or other unwanted noises from being introduced into the system.

3.Connect the left and right outputs of your source components to the appropriate analog inputs (15, 16, 17) on the FBI. The FBI is equipped with one CAST input (C-1) (16), one balanced input (B-1) (17), three single-ended inputs (S-1, S-2, or S-3) (18), and one tape input (19). The C-1, B-1, S-1, S-2, and S-3 inputs can be configured for Theater Throughput. See Optional Configurations, on page 23 for information on con- figuring an input for Theater Throughput.

Pin assignments for the	Pin 1	Shield (ground)
XLR connectors	Pin 2	Non-inverting (hot) (0°)
	Pin 3	Inverting (cold) (180°)

4. Connect the loudspeaker cables to the loudspeaker binding posts (15) of the FBI, located on the back panel. Loudspeaker binding posts accept spade lugs only.

6. 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.

20 Krell FBI