So what happens after you send the amp back? Do Devialet advise a timeframe or inform you when the job is complete, or is the next thing you get is a UPS notification of the return? I am sat looking at two empty shelves on my hifi rack, it hurts!
1000 Pro - KEF Blade - iFi Zen Stream - Mutec REF10 - MC3+USB - Pro-Ject Signature 12