Piezo elements are designed to purposely incorporate 3 major criteria of the piezo element's characteristics....

1. What criteria determines the "shape" of a piezo element's sonar beam ...??

2. What criteria determines the "size" (beam angle) of a piezo element's sonar beam ...??

3. What criteria determines the "Resonate Frequency(s)" of a piezo element's sonar beam ...??

Rickie