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AES/EBU 4x1 Input Selector



  • Selection of AES/EBU Signals (4 x 1)
  • Operation Up to 24 bits, 96 kHz
  • Exclusive Sure-Lok™ Auto-Recovery Sentinel
  • Transformer Isolated Input / Outputs
  • Digital Signal Reclocking
  • Signal Locked or Error Indication

APPLICATION: The RDL-RU-AEX4 is the ideal choice in installations requiring high quality source selection between digital AES/EBU signals. Solid-state switching is used to select one of four transformer isolated AES/EBU inputs. The selected input is decoded, reclocked and retransmitted to the transformer isolated electrical AES/EBU output. Each input channel in the RDL-RU-AEX4 is connected through a 110 Ω terminated XLR jack. The output is available on a 110 Ω terminated XLR. The RDL-RU-AEX4 is powered from 24 Vdc which may be connected through the barrier block or through the dc power jack. A front-panel power switch is provided. All inputs and outputs are available on the rear panel. The RDL-RU-AEX4 front panel selected channel LED flashes whenever the module is not locked to a valid AES/EBU digital source.

The front panel features 4 high-reliability, keyboard-style pushbuttons with corresponding LED indicators to show which digital audio source is active. A front-panel LOCAL/REMOTE toggle switch activates either the front-panel buttons or a rear-panel connected remote control. In the REMOTE mode, the inputs are selected by an external momentary switch or open-collector closure to ground.

Sure-Lok auto-recovery circuitry included in the RDL-RU-AEX4 monitors the most frequent causes of latch-up and reinitiates digital signal lock, bringing a new higher level of stability to digital audio signal selection under the variety of conditions encountered in professional environments.

Part # Description Get Quote
RDL-RU-AEX4 RU-AEX4 Digital Audio Selector - AES / EBU - 1x4




Inputs (4)




Sample Rate:

32 kHz to 96 kHz


16 to 24 bits

Indicators (6):

4 Source LEDs (flashing when source selected and not locked; continuous when source selected and locked) LOCAL / REMOTE LED, POWER LED


AES3-1992 Amendment 3-1999

Power Requirement:

GROUND-REFERENCED, 24 to 33 Vdc @ 120 mA


Data / Installation




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