Noisy static when powering off my Bryston 4B-ST


When I power off my Bryston 4B-ST I can hear very audible static discharge 'crackling" noise.

Is this something to be concerned about?

I've got warranty left on this amp so I assume Bryston will service but wanted to know if this is a sign of a problem with the amp. Seems to work OK otherwise.
cbcarbaj

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