Sonifex Redbox RB-DA6 Instructions

6 way stereo distribution amplifier
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7
AU D I O D I S T RIBUT ION
AM P L I F IE R S
7 RB-DA6 & RB-DA6G 6 Way Stereo Distribution Amplifier

Introduction

Fig 7-1: RB-DA6 Front Panel.
Fig 7-2: RB-DA6G Front Panel.
The RB-DA6 and RB-DA6G are high performance 6 way stereo analogue distribution
amplifiers for splitting a source to a number of different outputs. The RB-DA6 has 1 stereo
input and 6 stereo outputs with gain control on both inputs. It can also be configured so
that 1 mono input can be distributed to 12 outputs. As a variant of the RB-DA6, the RB-
DA6G, has an individual gain control on every output.
The XLR-3 inputs and 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.
The outputs can be wired unbalanced.
The RB-DA6 has master left and right gain controls which are pre- set potentiometers
accessible through the front panel. On the RB-DA6G each channel has an individual output
gain control (normalising) which are all pre-set potentiometers, also accessible through
the front panel. The 1-12 mono, 1-6 stereo switch is recessed on the front panel to prevent
accidental knocking. An LED power indicator on the front panel displays the power supply
connection.
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Redbox User Handbook No 2

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Summary of Contents for Sonifex Redbox RB-DA6

  • Page 1 6 stereo outputs with gain control on both inputs. It can also be configured so that 1 mono input can be distributed to 12 outputs. As a variant of the RB-DA6, the RB- DA6G, has an individual gain control on every output.
  • Page 2 Right Outputs Balanced Balanced (Mono 7-12) Left Input Balanced Gain Stereo/Mono Right Input Gain Balanced Fig 7-3: RB-DA6 Block Diagram. Left Outputs Right Outputs Balanced Balanced (Mono 7-12) Left Input Balanced Stereo/Mono Right Input Balanced Fig 7-4: RB-DA6G Block Diagram.
  • Page 3: Connections And Operation

    Pin 3: Non-phase Input Gain Control (RB-DA6) The input gain on the RB-DA6 can be varied –8dB to 18db by adjusting the pre-set potentiometers. These are accessible through the holes in the front panel. The RB-DA6 has separate left and right master gain controls.
  • Page 4 Adjustable 8dB loss to 18dB gain Common Mode Rejection >66dB typically Distortion 0.01% THD @ 1kHz, ref +8dBu output Noise -100dB unity gain ref +8dB (RB-DA6) -88dB unity gain ref +8dB (RB-DA6G) Connections Inputs 2 x XLR 3 pin female (Balanced, can be unbalanced) Outputs...

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