How come my sound is different when I plug into another amp?

The Music Telegraph | Text 2019/08/01 [17:41]

How come my sound is different when I plug into another amp?

The Music Telegraph| 입력 : 2019/08/01 [17:41]

 

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How come my sound is different when I plug into another amp?

 

The use of 'constant voltage transfer' circuitry allows us to design a patching system that would permit any output to be connected to any input with minimal signal (voltage) loss. The system works well because manufacturers design their equipment to have a low impedance output and a high impedance input (a condition that results in less than 10% signal loss). A problem arises in that there is no industry regulation that says exactly what those impedance values must be. In addition, even when a designer specifies an impedance value, component and manufacturing tolerances may make that actual value vary from the design specification.

 

 

When you have a situation where you are patching various pieces of equipment together and they all have some degree of variation in their output and/or input impedance, you could have considerable variations in the amount of signal that will be transferred from one device to the other. Further, that signal level will be different when you change the patch arrangement or switch to another piece of equipment.

 

 

In a professional set up, level changes due to mismatches between input and output impedance are not large, usually less than 1 dB. This amount of change cannot be heard by the human ear (we would need as much as 3 dB of change to become aware of a level difference), but they could make a difference to processing devices that are level dependent (compressors, expanders, sepctral enhancers, etc.). For this reason, it is important to know what will happen to the signal when you patch it into a device.

 

 

 

 

 

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