Krásné staré stroje

Hello,

I am looking for the heads of a Tesla B115.
Are they available anywhere as original components?
If not, does anyone know if there are suitable equivalents for them?

I apologize for not writing in Czech, but I don't know the language.

Many thanks for any suggestions.

ahoj, tady se dají koupit https://www.kondik.cz/Dily-pro-audio-pr ... _463_2.htm