Change tuning of BOX

[JHardee 10+ year member]

alright so i have a 3cuft box but in the diagrams i have drawn out for it, its currently tuned to 35Hz.. i wanna have it tuned to 28Hz, is there anyway to change it around? if someone could like tell me how or i can email you the designs so you can look at it. thankss

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[Undadog 10+ year member]

is the design that you have for a slotted or aero port box

 

[Undadog 10+ year member]

either way you would have to increase the length of the port therefore decreasing the overall airspace of the box so if you wanted to keep the 3cuft and get a tuning of 28hz the box will overall have to be bigger

 

[JHardee 10+ year member]

its slot ported, and how much less airspace we talking? itd be alright to do a little less

 

[Undadog 10+ year member]

i would have 2 see your design to let you know how much airspace you would lose

 

[Undadog 10+ year member]

if you have your max dimensions of your trunk i can design you an enclosure to your liking also

 

[JHardee 10+ year member]

anyone know how to fix it?