Question about wrapped/slot ports (1 Viewer)

[David_P]

These are mentioned as an option for large area/long ports... Dan Wiggins has suggested as an example long ports wrapped back and forth 3-4 times to keep the slot resonances at bay.

My question: is there a practical limit to how many "wraps" you can have? e.g. can the number of wraps or bends be doubled or tripled and the length halved or "thirded" to up the resonant frequency of the slot port? And is there limit to this, practical or otherwise?

David

 

[Andrew Pratt]

Likely yes but what that is would depend on the diameter of the port and the air speed. I would assume too many bends would have a negative effect on the air moving though the port but I couldn't tell you at what point it would be audable...also the last time i used a bend in my port it ended up rattleing after several months use so you'd want to make sure it was fixed in place some how.

 

[Rory Buszka]

The more bends you add, I'd imagine the more like an aperiodic box it becomes.