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7 Audio Distribution Amplifier - RB-DA24MD
7 RB-DA24MD 24 Way Mono Audio Distribution Amplifier
Introduction
Fig 7-1: RB-DA24MD Front Panel
The RB-DA24MD is a 1U rack mount high performance 24 way audio
distribution amplifier. It has 2 inputs which can be each individually routed
to 12 outputs, or mixed and routed to all 24 outputs.
The XLR inputs and D-type outputs are electronically balanced and can
be wired unbalanced. Each output is individually buffered so that a short
circuit on one won’t affect the others. Each output is also protected against
connection to both POE (power over Ethernet) and phantom power circuits.
The RB-DA24MD has master gain controls for both input 1 and input 2
which are pre-set potentiometers accessible through the rear panel. These
controls allow the gain to be adjusted from -15dB to +15dB, useful for
normalising consumer to professional signals and vice versa. An LED power
indicator on the front panel shows the unit is powered.
A 125Hz 6dB per octave roll off filter is activated by a push switch on the
rear panel. When selected the filter is the applied to both inputs.
Input 1 (L)
Balanced
Input 2 (R)
Balanced
Gain
LF Filter
Mix Level
Mix Level
Dual Mono
(Stereo)/
Mixed Mono
Dual Mono
(Stereo)/
Mixed Mono
LF Filter
Gain
Outputs 13-24
(R) Balanced
Outputs 1-12
(L) Balanced
Fig 7-2: RB-DA24MD System Block Diagram
Содержание Redbox RB-AES4B3
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