@perkadin "The R8 is a perfect choice if you are ok with "Chi-Fi". "
Self trouble-shooting skills -or- a willing local repair technician with replacement parts may be required. For awareness, quote "Bias board issues, channel issues, loud cracking issues, fixing lead dress, and grounding faults", no circuit diagrams to diagnose it’ and fix it"...
Look around carefully before taking the initial low cost leap.
https://forums.stevehoffman.tv/threads/willsenton-r8-channel-issues.1168466/
https://www.diyaudio.com/community/threads/willsenton-r8-supplier-request.396406/
https://www.youtube.com/watch?v=54WPA5tWyL8
https://www.youtube.com/watch?v=7dCF9_r_xgY