On checking in with Spectral with my requirements, their Cocoon AV cabinet will safely handle a total load of 50Kg (a DSP5200HC weighs 35Kg) housed inside the cabinet, while the added VESA mount will handle a further 50Kg (my 55” OLED weighs 25Kg). Maximum width of AV Cabinet is 1500mm.

Not an Actor, nor married to Jamie-Lee Curtis.

#1: DSP5200SE|DSW.2|218|210|506.2|504
#2: Prime/PSU|SOtM sMS-200 Mini NEO SE|Focal Stellia
#3: Other stuff