Large diaphragm condenser tube microphone from Charter Oak
CharterOak introduced its SA538 tube condenser microphone.
![[Musikmesse] Charter Oak SA538](https://img.audiofanzine.com/img/product/normal/1/5/15379.jpg?fm=pjpg&w=334&h=243&fit=contain&s=fd568de59e819c53738e44060b7913e4)