Blog Forums DIY Speakers and Subwoofers Cinema 10 Build Log Reply To: RE: Cinema 10 Build Log

#15093
123toid
Keymaster

@elliottdesigns that’s a great point about flaring the ports. This particular design doesn’t need the ports flared. There’s multiple reasons for this. But one of the things that you want to keep in mind when looking at Port velocity of a speaker is to type in your high pass that you intend to use. In this case, these speakers are designed for surround sound use and will never be crossover lower than 80 Hertz. At least the design for this is we crossed over no later than 80 Hz. 

Another thing to keep in mind is that if you do round over the ports, you do lose port length. So you’ll need to lengthen the port approximately half of the flare. 

Finally another thing to think about with flared ports, is it to get maximum Port velocity, you actually should flare both ends.  They’re definitely times where flared ports are needed and necessary. But in this particular case a flared port isn’t. However if you really wanted to do it for looks, you definitely could.


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