More about Valve Final Amp - Article Series (2)

1-05-2003 | This final amp is easy to build. The stereo version essentially consists of two amplifier boards, a power supply board for the high voltage...

1-04-2003 | This valve power amplifier is a push-pull design using two EL34s (or their 6CA7 US equivalents). It has been kept fairly simple to avoid pro...