Yes, the Tower is the unit responsible for the CTR and Approach is responsible for the TMA.
The situation at night is a bit clearer:
Originally Posted by EHAM/A1497/19
Outside operating hours of Maastricht aachen airport(as published in the AIP Netherlands), the Maastricht CTR will change status to radio mandatory zone (RMZ).
The airspace classification within the RMZ will correspond to the surrounding airspace, GND-1500FT AMSL class G, 1500FT AMSL-3000FT AMSL class D. Air traffic service will be provided as defined for that airspace. Before entering the RMZ contact Amsterdam info on the beek tower frequency 119.480. The AIP Netherlands will be amended accordingly in due time.
REF AIP ENR 2.2.
So basically, the CTR transforms into an RMZ at and below 1.500ft AMSL and above it is swallowed by the TMA. Dutch Mil is the controlling unit of the Maastricht TMA 1 outside the Tower's operating hours.
I was also expecting something along the lines of "The TMA is this except the airspace contained in the CTR", either in the definition of the TMA itself, or as a general rule, but I guess it's considered obvious!