my port velocity.... 0m/s
currently sealed, going with passives in the future.
collo did a thread about port velocity you can find here:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=64528&highlight=
I'd agree with vetkilr that in a car port noise becomes far less of an issue, but I havent done any actual tests... I just know I've heard quite a few ported boxes in cars that chuffed when you listened to them 2 feet away through the open trunk. With everything sealed up and inside the car, rattles were the #1 problem and the sound of port chuffing was inexistant
currently sealed, going with passives in the future.
collo did a thread about port velocity you can find here:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=64528&highlight=
I'd agree with vetkilr that in a car port noise becomes far less of an issue, but I havent done any actual tests... I just know I've heard quite a few ported boxes in cars that chuffed when you listened to them 2 feet away through the open trunk. With everything sealed up and inside the car, rattles were the #1 problem and the sound of port chuffing was inexistant
With one of my basscabs I was able to here the portnoise around a simulated 31 m/s (it was probably a little bit higher tho), while the SPL from the speaker was far beyond common house use.
With the mid and high into the mix the problem was solved.
Since then I use 30 m/s as a limit for PA and 20 m/s for hifi and alike.
Wkr Johan
With the mid and high into the mix the problem was solved.
Since then I use 30 m/s as a limit for PA and 20 m/s for hifi and alike.
Wkr Johan
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