Hansjörg Friedli (3)

1-02-2004 | As most of you will be able to confirm, an electrolytic capacitor has to be connected the right way around in an electronic circuit. If you...

1-01-2004 | A headphone amplifier with outstanding sound quality can be built using readily available modern components. Omitting the output transformer...

1-10-2001 | The Tube Clipper is an effects unit which can be inserted in the audio path of a stereo system. It provides that ‘valve sound’, but without...