Made some further development in the TherapSID firmware: support for the Turbo MIDI protocol of the Elektron TM-1. This enabled me to raise the speed to 8x and thereby have bandwidth exceeding the regular ASID protocol. Also added support for full stereo SIDs, combined with DeepSID playback.
Short demo here:
https://www.instagram.com/reel/CuH_XLnsAkq/?igshid=MTIzZWMxMTBkOA==