How to design a loop system ?
If loop systems operation mode, seems pretty easy to understand, choosing and installing and efficient and functioning system is a different story.
A lot of constraints must be taken in account prior the installation of a loop system. The presence of metal structure absorbing the magnetic field strength, the containment of its overspill to the strict dimension of the room, the listening height, are some of the numerous constraints you should take in account while designing a loop system.
ONE LOOP SYSTEMS
perimeter loop
Easily set when there are not adjoining rooms, stage or metal structure. Great for conference or meeting rooms.
single array
This kind of installation furnishes optimal hearing condition to room with a fixed placing (when the auditor doesn’t move across the room such as into an amphitheater or a theater).
cancellation loop
The cancellation loop is a solution which allows to control the dissemination of the magnetic field to one direction. This solution avoids resonance on a stage.
TWO-LOOPS SYSTEMS
Double array
low loss array
this solution avoids that metal absorb the magnetic field and also limits the radiation of the magnetic field outside the room.
ultra low loss array
In another context, some rooms can be used in a confidential need (such as a court).