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Belden AES/EBU Digital Audio Cable

Belden AES EBU Cables meet the recent international standard developed by the Audio Engineering Society and the European Broadcast Union. The standard is simply known as AES/EBU and applies to digital audio cables.

AES/EBU rated digital audio cables are available in a number of styles to meet the needs of different applications. Allied carries Belden single-pair and double-pair digital audio cables, multi-pair snake cables with individually shielded and jacketed pairs, multi-pair snake cables with individually shielded pairs, and plenum-rated multi-pair snake cables, all of which comply with the AES EBU standard.

AES EBU specs for digital audio cable require a sampling rate from 32 KHz to 193 KHz, bandwidth from 4.096 MHz to 24.5 MHz, and an impedance of 110 ohms ± 20%. These are very broad specifications, allowing everything from 88 ohm cables to 132 ohm cables. However, standard analog audio cables have impedances ranging from 45 ohms to 70 ohms. There is a lot of room for difference between the AES EBU digital audio cable impedances and the standard analog audio range, which could cause jitter and signal reflection problems. Those problems could then lead to receiver bit errors. To avoid these issues, 100 ohm to 120 ohm twisted pair cables are recommended.

Belden’s single and double-pair digital audio cables are rated to 100 ohms and are available in several constructions, including plenum and high-flex versions. Non-plenum parts feature Datalene insulation, which features a low velocity of propagation and lower capacitance for pure signal transmission, even over long distances. It is also crush-resistant.

Our individually shielded and jacketed multi-pair snake cables meet the AES/EBU standard as well as NEC CMG and CEC CMG FT4 ratings. These digital audio cables are lightweight, crush-resistant, and feature insulation with a low dielectric constant. Multi-pair snake cables in this category are constructed with stranded tinned copper conductors, Datalene insulation, pairs that are individually shielded with Beldfoil and jacketed with numbered and color-coded PVC, overall Beldfoil shielding and purple PVC jacket, and a nylon ripcord. The shields and jackets used on the individual pairs are bonded to facilitate stripping.

AES EBU multi-pair snake cable with individually shielded pairs is also available. In addition to being AES cables, these are CM rated. These cables are built with tinned copper conductors, Datalene insulation, twisted pairs with individual Beldfoil shielding, and overall chrome PVC jackets.

Plenum Snake Cables are also available to meet AES EBU specs for digital audio cable. They are NEC CMP and CEC CMP FT6 rated and feature tinned copper conductors, FEP insulation, individually Beldfoil shielded twisted pairs, and an overall jacket made of either gray fluorocopolymer or natural Flamarrest.

All of these Belden AES EBU cables are designed specifically for digital audio applications. These high quality cables are built for high quality signal transmission that will not disappoint.

To learn more about any of our Belden AES EBU digital audio cables, click on one of the product links listed above. Have questions? Call one of our Allied sales reps and we’ll get you the answers you need!