Aron Garrecht has posted a review of the Classé Audio Sigma SSP surround sound processor ($5000) at SoundStage! Access. His conclusions:
“With music, be it as an analog preamplifier or a dedicated DAC-processor, it will take a trained ear to hear the differences between the Sigma SSP and Classé’s $1000-more-costly CP-800 two-channel pre-pro. They offer similar levels of transparency, control, focus, and neutrality, complemented by unbeatable ergonomics, rock-solid build quality, and the pride of owning something unique in the market place.”
You can read the full review here.