Yes, this faint noise is a consequence of the good functioning of the very wide dynamics universal power supply. This does indicate any issue with product quality.
Re-published to revised security level: 20 June 2008 by DRM
Applies To: Sepam 1000+ (Sepam Series 20 and Sepam Series 40)
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Legacy KB System (APS) Data: RESL166582 V2.0, Originally authored by LaVI on 06/20/2008, Last Edited by DaMi on 06/20/2008
Related ranges: Sepam series 20, Sepam series 40