True or False: It is possible to convert BNC coaxial to AES/EBU XLR?

• A. False
• B. True
• C. Not recommended
• D. Depends on setup

Answer: (B)

The key idea is that digital audio can be carried in different physical formats, and a device can bridge them. BNC coaxial connections commonly carry a coaxial digital signal (often S/PDIF or similar formats), while AES/EBU uses a balanced XLR connection. They’re not just a matter of a simple cable; the electrical characteristics are different (unbalanced 75-ohm coax versus balanced 110-ohm Ethernet-like bus with AES3 framing). With an active converter, the incoming coaxial signal is received, the data is clock-recovered and re-encoded into AES/EBU, and then sent out on XLR as the proper AES/EBU stream. This preserves the digital content while adapting the transport physical layer and impedance.

In practice this is a standard, workable path when you have matching sample rates and the converter supports the needed formats. It isn’t merely a passive adapter, and while you could run into compatibility issues if the sample rate isn’t supported or if the source is not PCM, the concept itself is valid: you can convert BNC coaxial digital to AES/EBU XLR with the right equipment.