Multicore Cables

Multicore cable assemblies, also known as snake cables, bundle several individual cables in one jacket and come pre-assembled with robust connectors. These assemblies are perfect for complex audio, video and data setups as they allow for efficient and tidy cabling of multiple signals simultaneously. Ideal for live environments and studios, these cables offer excellent signal quality and durability.

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What are multicore cables?

Multicore cables, also known as snake cables, are special cable bundles that contain several individual cables in a common jacket. This makes them perfect for the transmission of professional audio, video and data on stages, in recording studios and other setups where many signals need to be transmitted simultaneously. Multicore cables make cable management easier and reduce the risk of cable clutter.

There are different types of multicore cables, each suitable for different applications:

  • Audio multicore cables: These cables bundle several microphone or line signals and are ideal for live sound and studio applications.
  • Video multicore cables: These cables are designed for the transmission of multiple video signals and are often used in broadcast and video production environments.
  • Data multicore cables: These cables bundle several data lines and are ideal for network and computer applications.
  • Hybrid multicore cables: These cables combine different types of cables, e.g. audio and power, in a single cable.

To select the right multicore cable for your setup, you should consider the following factors:

  • Number of channels: Determine how many individual cables you need. Multicore cables are available with different numbers of channels, e.g. 8, 16 or 24.
  • Cable length: Choose a length that is suitable for your environment without being too long to avoid signal loss.
  • Plug type: Make sure that the plugs are compatible with your devices (e.g. XLR, TRS, D-Sub).
  • Cable quality: Look for high-quality materials and workmanship to ensure long-lasting and reliable signal transmission.
  • Shielding: Good shielding is important to minimize electromagnetic interference and ensure clean signal transmission.
  • Flexibility and robustness: The cable should be flexible enough to be easy to move, but also robust enough to withstand the rigors of everyday use, especially in live situations.

High-quality materials are crucial for multicore cables:

  • Conductors: Oxygen-free copper (OFC) is often used because it offers excellent conductivity and minimizes signal loss.
  • Shielding: Well shielded cables are important to reduce interference. There are different types of shielding such as braided shielding, foil shielding or a combination of both.
  • Jacket: A robust outer jacket protects the inner cables from physical damage and environmental factors. PVC or rubber are often used.

The number of channels in a multicore cable determines how many separate signals can be transmitted simultaneously:

  • Fewer channels: Suitable for smaller setups or simple applications, such as connecting microphones and instruments.
  • More channels: Ideal for complex applications such as large stage productions or studios where mixing consoles, patchbays and other devices need to be connected.

The most common connector types for multicore cables are

  • XLR connector: Widely used for digital or analog balanced audio connections, such as microphones and other professional audio applications.
  • TRS connector: Used for balanced signals or stereo connections.
  • Ethercon/RJ45: For digital audio data and network signals.
  • D-Sub connector: Frequently used in studio and live environments for connection to audio interfaces or patchbays.

The advantages of using multicore cables include:

  • Efficiency: Bundling of several signals in one cable, which makes cabling clearer and simpler.
  • Space-saving: Requires less space than several individual cables, which is particularly advantageous in confined spaces.
  • Cable management: Setups can be set up and dismantled more quickly as fewer individual cables need to be laid.
  • Reduced interference: Good shielding reduces electromagnetic interference and ensures clean signal transmission.
  • Easy installation: Multicore cables are easy to install and provide stable connections.
  • Flexibility: Multicore cables are available in different lengths and channel counts to meet different needs.

To install multicore cables correctly, the following steps should be observed:

  • Correct positioning: Ensure that the cable is laid securely and without tension to prevent damage.
  • Secure the plug connections: Make sure that all plugs are firmly and securely seated to avoid signal loss and interference.
  • Cable protection: In the live area, use cable bridges or protective devices to protect the cable from physical stress, especially in areas with heavy traffic.

To extend the service life of multicore cables, the following points should be observed:

  • Correct storage: Wind up the cables properly and store them in a clean, dry environment.
  • Regular inspection: Check regularly for wear or damage, especially to the plugs and cable sheath.
  • Cleaning: Keep the plugs clean and free of dust and dirt to ensure a reliable connection.

The most common errors when using multicore cables are

  • Incorrect connection: plugging the cable into the wrong sockets or not plugging it in firmly enough.
  • Excess cable length: Use of excessively long cables that can cause signal loss.
  • Insufficient shielding: Use of poorly shielded cables that are susceptible to electromagnetic interference.
  • Damaged cables: Use of cables with visible damage that may impair the signal quality.
  • Neglecting maintenance: not regularly cleaning and checking the cables and plugs, which can lead to long-term problems.

To maximize the effectiveness of your multicore cables, you should:

  • Use high-quality cables: Invest in high-quality cables that are well made and well shielded.
  • Choose the right length: Use cables that are only as long as necessary to minimize signal loss.
  • Regular inspection: Check the cables regularly for damage and replace them if necessary.
  • Tidy cable management: Keep the cables tidy and free of knots to avoid signal interference.
  • Protection from interference: Avoid laying the cables near devices that can cause electromagnetic interference.
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