After my extremely positive experience with AUVA 70 loudspeaker isolators (see my other review here for reference) I literally sugar coated my system with a set of four AUVA EQs (CSA 3) under my 46kg heavy Musical Fidelity M8xi integrated amp. They have replaced Isoacoustics Orea Bordeaux isolators. I can only confirm what others have already said: the upgrade is worth every penny. Both the stereo image and instruments separation have improved. In my system the acoustic guitars in particular finally sound live-like. The background is as black as you can only imagine. As a result, even some micro details of a recording can be heard but with no fatigue. Finally, from the aesthetics perspective, Auva EQs are visually less intrusive (being shorter/ smaller in size vs. Oreas and black which makes them disappear completely during late afternoon/ night listening sessions. Auva EQs have only proved that good isolation is a must not only under the ususal vibration sensitive suspects: turntables or CD players. Again highly recommended!
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Stack Audio is a UK-based manufacturer of high-end audio components.
