Alexander Voigt (2)

1-12-2004 | Valves are enjoying increasing popularity in audio systems. With the European ‘E’ series of valves, such as the ECC83 (12AX7) and EL84 (6BQ5...

1-10-2001 | Three-legged voltage regulators are known as handy and straightforward components. There are, nevertheless, still a number of interesting fa...