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Sonifex RB-DA6 6 Way Stereo Distribution Amplifier

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Sonifex RB-DA6 is a 1U rack-mount high performance 6 way stereo distribution amplifier for splitting a source into a number of different outputs. The RB-DA6 has 1 stereo input and 6 stereo outputs. It can also be configured so that 1 mono input can be distributed to 12 outputs by use of a switch which is recessed on the front panel to prevent it being accidentally knocked.

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 output won't affect the others.The left and right input gain controls (normalising) are pre-set potentiometers accessible through the front panel. The output gain may be varied from -8dB to 18dB which is useful for normalising consumer and professional signals to give outputs of -15dBu and 0dBu respectively.

RB-DA6 Block Diagram

Technical Specification For RB-DA6

Audio Specification

• Maximum Input Level: +28dBu
• Maximum Output Level: +28dBu
• Frequency Response: 20Hz to 20kHz �0.1dB (600Ω load, ref 1kHz)
• Gain Range: Adjustable 8dB loss to 18dB gain (L & R adjust)
• Common Mode Rejection: >66dB typically
• Input impedance: >20kΩ bridging
• Output impedance: <50Ω
• Distortion: 0.01% THD @ 1kHz, ref +8dBu output
• Noise: -100dB unity gain, ref +8dBu output

Connections

• Inputs: 2 x XLR 3 pin female (balanced, can be unbalanced)
• Outputs: 12 x XLR 3 pin male (balanced, can be unbalanced)
• Mains Input: Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max
• Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC), Anti-surge fuse 250mA 20 x 5mm (115VAC)

Equipment Type

• RB-DA6: 6 way stereo distribution amplifier