With this Diaphragm you can repair the Tweeter Bang&Olufsen Beolab1.
This is not original spare parts.
The first picture shows the replacement Diaphragm. The other images show the conversion.
( Tweeter Number: 2422 256 22502 )
4.7mm female connector on the “-“ terminal
2,8mm female connector on the “+“ terminal ( marked in red )