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Sealed vs. Ported maximum output level

mike7877

Addicted to Fun and Learning
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Aug 5, 2021
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While thinking, I got to wondering...

When you have one driver, you get x output, and when you double the amount of drivers and put them in parallel (doubling power consumption) you get +6dB output from +3dB power (provided the center to center distance of the drivers isn't greater than 1/4 wavelength of the highest output frequency, which can cause peaks and dips in response)

When you have a ported vs. sealed subwoofer, how does this phenomenon manifest?

Do you get 6dB from the ported design? 3dB? Do you only get the extra output when the port is adding to the output?
 
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