No
BTW if you are wanting it just to play vector ROMs, there's another (much cheaper solution) here -
http://vide.malban.de/pitrex
http://vectrex.malban.de/tmp/RockSolid.mp4
If your AtariVox has a metal surround on the DB9 socket, remove it. It will fit better in the 7800.
The attached 3D printer .stl files are for a case specifically to fit the 7800 better.
Avox_case.stl
Avox_lid.stl