다이어프램 중심에서의 감도는 종횡비가 2.5일 때 최대로 나타났으며 종횡비 1.0에서는 중심에서의 감도가 0이 됨을 알 수 있었다.
The sensitivity at the center of the diaphragm was maximized when the aspect ratio was 2.5, and it was found that the sensitivity at the center became zero at the aspect ratio of 1.0.