Balanced Audio REX II Preamplifier - Manual (Page 10)

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Pin 1: common/shield
Pin 2: positive
Pin 3: negative
For the REX II, use the Main 1 XLR Output for connection to your balanced power
amplifier. The Output 2 is configured as an RCA connector output.
Single-Ended Components
Single-ended components have RCA connectors. The REX II preamplifier is
designed to work with balanced interconnects only. If single ended components
need to be connected to the preamplifer, then the RCA/XLR adapters should be
used. These adapters are available from an authorized Balanced Audio Technology
dealer at a nominal charge.
Two types of adapters are available:
Input Adapters: RCA Female to XLR Male
Output Adapters: RCA Female to XLR Female.
REX II FRONT PANEL CONTROLS
STANDBY Button and LED
The Standby button is used to turn the unit ON and OFF and to switch the
preamplifier into its Standby mode. The LED indicates the status of the unit’s
power circuitry and has four state:
LED OFF Display OFF Unit is in OFF state
Display ON Unit is in ON state