Test #2 improved diaphragm. https://youtu.be/-Gf2RKNNPZ8
Flatter, paper rings removed, slight cone shape added to top.
Edison DD diaphragm
- Phonoboy
- Victor II
- Posts: 381
- Joined: Mon Jun 22, 2015 2:04 am
- Location: NE Oklahoma
Re: Edison DD diaphragm
This machine surrounds hate and forces it to surrender-Pete Seeger.