Dean Waters with cigar at the Pacific Audio Fest 2023: a portrait. (Photograph and image processing by David W. Robinson) I recently submitted an article reviewing the Alberto Guerra Designs (AGD) Duet monoblock amplifiers (HERE). They are in a word, wonderful. Since then, I've been reviewing the Duet's big brothers, the AGD Solo Limited Edition … Continue reading Waters on the Hardware: Alberto Guerra Designs (AGD) Solo Monoblock Amps