Class notes
live sound
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This topic covers other things relating to the understanding and connection of cable sounds as well the different types of cables used in different live applications.
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TransformersElectronic balancing
Unbalanced & balanced lines
Impedance
DI box
Splitters
Patchbays
Distribution amplifiers
, Steps up voltage up or down
Balances audio signals
Matches impedance
20:1 ratio – lower voltage at
secondary
1:20 ratio – higher voltage at
secondary
, Doesn’t respond well at extreme low or high frequencies
Prone to electromagnetic interference
Used in device inputs & outputs
Mic Cable Preamp
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