There is a known issue with MIDI over USB devices interfacing with AMD or Apple CPU based products.
This affects the Nevis+, Tierra+ and Tierra+ MK2 products.
This known issue impacts the operation of the Rosendahl MIF4. Unfortunately, the issue can only be fixed with an updated driver from the device manufacturer. We have worked with Rosendahl to get a new version of firmware for the MIF4 that fixes this issue. All MIF4’s with serial number >M9650 come preloaded with firmware 3.1, whilst older devices can be updated using the files and processes found at https://rosendahl-studiotechnik.com/mif4.html
With the MIF4 going EoL in 2022, we have tested some replacements. Green Hippo recommend the CB Electronics TC-5 which has been tested with all our units. We have also tested the Nemesis TCD-2 which we have found not to be compatible with AMD based systems.
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