Impedance Bridging

The Music Telegraph | Text 2019/03/14 [11:41]

Impedance Bridging

The Music Telegraph| 입력 : 2019/03/14 [11:41]

▲ When the output of a device (Audio power amplifier) is connected to the input of another device (Speaker), it is a bridging connection if the input impedance of the load device is much greater than the output impedance of the source device. 

© Electronic Design

 

 

 

Impedance Bridging

 

 

Impedance bridging:

i) Z = Impedance (Audio resistance)

ii) In Audio devices, Input impedance of the load device is at least 10 times higher than Output impedance of the source device

 

▲ Input impedance of the load device is always more than 10 times higher than that of output of the source device in order to protect source.

© The Music Telegraph



 

▲ Input impedance & Output impedance in a mixer

© The Music Telegraph



 

 

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