Silent Angel Forester F1 Linear Power Supply Colour:Black and the output stage is

and the output stage is turned off to prevent unnecessary stresses on the amplifier due to transient signals that appear before the lamps reach operating temperature

With BluOS® we have also made it easy to add more speakers for listening to music in additional rooms

then look no further

is available in the pdf manual

This is especially obvious when listening with headphones

Silent Angel Forester F1 Linear Power Supply Colour:Black and the output stage isForester F1 The Linear Power Supply That Supports HiFi Systems There are various details in a HiFi system that might affect the audio quality. An extremely stable power source is an essential factor to the goal of pursuing ultimate sound quality. F1 is designed for music lovers who want to discover their systems true potential and pursue the finest audio quality possible. The Forester F1 model adopts Silent Angels power stabilization technology.