Is there an Easy Fix for Noisy Volume Control

[KMX1]

I have a NAD 3125 Amplifier with scratchy noises when I change the volume. Why did this happen with older audio equipment? Is there any fix that does not require soldering?

 

[chrisc]

 

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[handsome]

 

[El Sid]

 

[KMX1]

 

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[KMX1]

 

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[KMX1]

 

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[DACMan1]

 

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