3
Audio Cable Wiring
All audio and GPIO connections to the BLU-100 are via Klippon pluggable terminal
block connectors (also known as BL, Phoenix or Combicon). 12-way female Klippon
connectors are supplied for making these connections.
Audio Input and Output Wiring Convention
Soundweb products provide cable shielding ‘back from the destination’ to eliminate
ground loop problems. This means that the shield (S) connection on an input is grounded,
whereas the shield connection on an output is oating (although connected via an
internal network to ground for EMC compliance).
Balanced wiring - The convention for balanced wiring (2-core plus shield) is shown here:
Balanced cable
Shield
Hot
Cold
Unbalanced wiring - The convention for unbalanced wiring to the inputs (1-core plus
shield) is shown here:
Unbalanced cable
Shield
Hot
Link between
pins (S) and (-)
(optional for inputs)
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