Copland CTA 506Price: $6500

Website: www.copland.dk

Doug said: The Copland CTA 506 is a modern-day implementation of tube technology with a thoroughly enjoyable sound that retains the best aspects of tubed designs while doing an admirable job of avoiding the technology’s weaknesses.

Read the SoundStage! Hi-Fi review.

The gist: A solid value in the tube-amplification arena.