How do I know the Hz of my box

[jorgecordova]

suppose my box is port, how I know the hz?

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[The Camry]

suppose my box is port, how I know the hz?

Get a mic. Download REW (room eq). Do a frequency sweep. Look for the highest peak.

That box is ported at 25hz. See how it peaks and then gets quieter?

 

[Massive spl]

Download the xplicit audio app and type in the needed info in the box calc and it will tell you what your box is tuned to

 

[jorgecordova]

Thanks a lot