Rb-Msp6 6 Way +48V Phantom Power Supply; Introduction; System Block Diagram; Fig 18-1: Rb-Msp6 Front Panel - Sonifex Redbox RB-DA6 6 User Handbook Manual

18 Phantom Power Supply- RB-MSP6

18 RB-MSP6 6 Way +48V Phantom Power Supply

Introduction

Fig 18-1: RB-MSP6 Front Panel

The RB-MSP6 is a 1U rack-mount phantom power supply, designed to
be used in conjunction with up to six RB-MS4X3s, providing mains input
redundancy to ensure the target microphones remain powered in the event
of a single mains failure.
Two mains AC inlets power separate 48V supplies that are diode fed to
six locking DC connector outputs. Each output connector is individually

System Block Diagram

Mains
Inlet 1
1A
Anti-Surge
Mains
Inlet 2
1A
Anti-Surge

Fig 18-2: RB-MSP6 System Block Diagram

60
protected with a resettable fuse rated at 50mA, so a fault on one output
will not affect the others.
Should either of the 48V supplies fail, or if their AC power input is removed,
the corresponding red front panel LED will extinguish, and a relay alarm
output is provided on the rear panel D-Type.
AC/DC Converter
20W +48V Out
Resettable
AC/DC Converter
20W +48V Out
50mA
Locking DC
Connector
2.5mm Pin
6x
Alarm
Outputs
Alarm
Relay
Alarm
Relay