B&K Reference 125.2 Series II - Inputs; XLR Balanced Inputs; RCA Unbalanced Inputs

INPUTS
INPUTS
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.
XLR BALANCED
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.
RCA UNBALANCED
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.
2
1
3
PIN1(GND)
PIN 1 (GND)
PIN 3 (-)
PIN 3 (-)
PIN 2 (+)
PIN 2 (+)
Balanced Interconnect Cable
12
3
PIN1(GND)
PIN 1 (GND)
PIN 3 (-)
PIN 3 (-)
PIN 2 (+)
PIN 2 (+)
Amplifier Balanced Input Connector
RCA connector
Signal
Ground
5
CHANNEL 1 INPUT
XLR (BALANCED)
RCA (UNBALANCED)
RCA INPUT
XLR INPUT