07-Sep-2016, 17:45
Firmware 10 invokes the new ADH architecture in the Pro. From what I heard during a demo of the 1000 Pro the new ADH is sensational, a big step up from the 'old' Expert. So I think it would be a bit crazy to try to use earlier firmware versions with the Pro.
1000 Pro - KEF Blade - iFi Zen Stream - Mutec REF10 - MC3+USB - Pro-Ject Signature 12