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Normalisation is where some signal paths are already made internally. Especially implemented in the Roland System 100. The name comes from when a socket does not have a jack inserted it is in its normal position. There is often a connection between the signal lug of the socket and an extra contact called the NC (normally closed) lug. It is this third lug on the socket that is used for the normalisation. Inserting a jack plug will break the connection between the NC and the signal lug. Sometimes a bus is provided for connecting the NC lugs.[1]


Gate and CV are included on the 16 pin eurorack power supply bus, for use instead of patch cables. Most Doepfer modules support this. However it is limited to only one source per bus.[2]


  1. ^ Oakley Sound Systems, Dizzy, User Manual and Builder's Guide, v3.2.0 by Tony Allgood, November 2011
  2. ^ Technical Details A-100

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