Additional Information
Power transformer – Power filters and conditioners
It is a normal phenomenon that the device’s power transformer may generate a certain
amount of audible noise.
Very loud operation of the power transformer may be caused by low quality of power
supply (voltage surges etc.).
In such a case, we suggest using a power filter or conditioner - you can also try to
power this product from a different power line than other devices (e.g. from a power
outlet in another room).
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