"log line" and "pressure chamber"

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Bang & Olufsen have used what they called "log lines" and "pressure chambers" in some of their speaker designs.

They're evidently some kind of aperiodic enclosure design, but I don't know any more than that.

Does anyone have any details on what they were doing or how it worked?
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.