The 861v5 was an internal version number used at Meridian; I think it was to do with some component changes but it was still marketed as a v4.

The promised and long awaited apodising V4 will just be a firmware update.

Carl.

861v6+ID40, HD621, 8000.2, 7200HC, 7200.2, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)