Inputs - B&K Reference 125.2 Series II User Manual

The Reference 125.2 S2 allows signal patch cables (interconnects) to be sourced from either balanced or
unbalanced volume level preamplifier/processor outputs. A switch is used to configure a SINGLE AMPLIFIER
CHANNEL for use with either a balanced (XLR) or unbalanced (RCA) output.
There are two balanced input connectors on the Reference 125.2 S2. These connectors accept balanced vol-
ume level output from the preamplifier's balanced output connectors.
Balanced Interconnect Cable
PIN 1 (GND) PIN 1 (GND)
There are two unbalanced (RCA) input connectors on the Reference 125.2 S2. These connectors accept an
unbalanced (RCA) output from the preamplifier's (RCA) volume level outputs.

INPUTS

C H A N N E L 1 I N P U T
R C A I N P U T
XLR BALANCED
PIN 2 (+) PIN 2 (+)
2
1
3
PIN 3 (-) PIN 3 (-)
RCA UNBALANCED
Ground
Signal
INPUTS
X L R ( B A L A N C E D )
X L R I N P U T
R C A ( U N B A L A N C E D )
Amplifier Balanced Input Connector
PIN 2 (+) PIN 2 (+)
RCA connector
PIN 1 (GND) PIN 1 (GND)
2 1
3
PIN 3 (-) PIN 3 (-)
5