Issue 1 The Mains Power Supply

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 The mains is an inadequate source of power for the audio equipment of the resolution that we are aiming for. Today, the loads that are connected to the mains are increasingly of the non linear type, which dramatically lowers the power and energy transfer to audio circuits. This has a dramatic impact on sound

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That is why we have invested time and money into battery power solutions, being very well aware of the fact, that many battery powered amplifiers do not necessarily sound good. It turned out that we had to engineer the preamplifiers, amplifiers and front ends to suit the battery’s technical specifications.

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This mainly led to solid state devices , because fully battery driven tube equipment may be too big in size, in weight and in budget for many.

The latter have to be understood as research objects showing how far one can go with tube circuits, once they are freed from the mains problem