dynaudio

[krisius]

Hello and welcome   

are closed with an extra bass inside

Does anyone know these columns?

Dynaudio Profile 4 was presented on the forum oem star project

[krisius]

dynaudio in the photo are closed columns and they are at my house

and dynaudio profile 4 someone posted on the forum they are bass reflex speakers Australian production diy

maybe someone has information about projects from the mid-1980s

 

[Darryl]

Hi Krzysztof,

I found this information on the site. Yours look pretty similar. I don't know anything about them sorry but I hope that this helps.