Opus 5.0 – A Modern Mullard

Opus 5.0



The Opus 5.0 a modern Mullard amplifier using 2 KT88 output tubes per channel. The circuit was designed by SGregory and DIYAudio friends. I contacted him 3 years after he designed the amplifier and he told me it’s his main amp and he uses it daily. That is a stable, dependable amp. Just what I needed to satisfy my tube audio curiosity once and for all. ┬áread more…






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