If TU 50 is the start of this series, the TU 200 and TU 200/TR truly represent the “top” of the range, and are currently the best professional Exponential horn speakers available on the market, as confirmed by the hundreds of squares and cloisters amplified with these drivers.
Feature not of little importance is the ability to withstand loads of power and dynamics trulyburdensome, as can be for example those of an electronic bell.