Why is most of the chest piece in the stethoscope in a circular shape? Will it work if it is designed in some other shape? - Quora
Medequip U ltd - Littmann Classic II S.E. Stethoscope are ideal for professionals as well as students, This features a dual frequency, tunable diaphragm that allows you to listen to both low
![An experimental study on the role and function of the diaphragm in modern acoustic stethoscopes - ScienceDirect An experimental study on the role and function of the diaphragm in modern acoustic stethoscopes - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0003682X18311265-gr2.jpg)