Dedolight DLH4 power supply low buzzing - normal ?

RedBlack999

New member
Hello

I've just bought my first (brand new) Dedolight SYS-DLH4, complete with DT24-1E power supply.

In all modes (3400, 3200 and dim) the power supply is giving off a low buzzing sound - I can hear it clearly if I hold my ear close to the supply.

Is this normal, or should it be totally silent ?
 
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