| 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...
Hansjörg Friedli (3)
| A headphone amplifier with outstanding sound quality can be built using readily available modern components. Omitting the output transformer...
| 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...