Level Adjustment; Inputs; Xlr Balanced; Rca Unbalanced - B&K AV125.5 Owner's Manual

Generally in a home theater application, volume level is controlled by the A/V surround processor. In a system for
use with the AV125.7 or AV125.5, adjustment of the volume level must performed using the external
preamplifier/processor.
The AV125.7 and AV125.5 allow signal patch cables (interconnects) to be sourced from either balanced or
unbalanced line level preamplifier/processor outputs. A switch is used to configure a PAIR of AMPLIFIER
CHANNELS for use with either balanced (XLR) or RCA unbalanced preamplifier/processor line outputs.

XLR BALANCED

There are seven balanced input connectors on an AV125.7 and five on an AV125.5. These connectors accept
balanced line level output from the preamplifier's balanced output connectors.

RCA UNBALANCED

There are seven RCA unbalanced input connectors on an AV125.7 and five on an AV125.5. These connectors
accept RCA unbalanced line level output from the preamplifier's RCA output connectors.

LEVEL ADJUSTMENT

INPUTS

I N P U T 4 I N P U T 4
X L R ( B A L A N C E D )
R C A ( U N B A L A N C E D )
1 2
3
Balanced (XLR) connector
RCA connector
4
I N P U T 5 I N P U T 5
PIN 1 - GND PIN 1 - GND
PIN 2 - (+) PIN 2 - (+)
PIN 3 - (-) PIN 3 - (-)