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SPL...tuning

 

Silver Member
Username: Cashby

Post Number: 172
Registered: Oct-06
alright guys... i have 2 12" Fi Q's and right now there in a sealed box which they will always stay in...BUT theres a little comp. coming up here locally and i was thinkin about throwing sumthin together..now i dont give a hoot about sq at all on this one and i just want to make these Q's as loud as possible for this one time deal...now i am open for suggestions..but heres wat i was thinking. I was thinkin about doing 2.5 cu.ft per sub and i was thinking about tuning high...does anyone no about wat i should tune to for pure spl purposes?? and im just gonna burb them...but plzz help me out!! need to know quick cuz its coming up and me and my friend have to get started on a big box!!! thanks
 

Gold Member
Username: Frkkevin

Resonant Engineering..., Fort Worth... Email

Post Number: 2818
Registered: Nov-05
what type of vehicle? tuning depends a lot on what your car likes.. you could start with something like 42-45hz peaking around 50-53hz
 

Silver Member
Username: Cashby

Post Number: 173
Registered: Oct-06
its a 1991 firebird hatchback...and i think im gonna burb them with about 1800 wrms each....
 

Gold Member
Username: Frkkevin

Resonant Engineering..., Fort Worth... Email

Post Number: 2825
Registered: Nov-05
.. do you even have room to port 2 12s?

but anyways.. given the vehicle i'd prolly tune around 51hz so you can peak around 61hz..

i'd imagine your car will like a faily high note but give it has quite a bit of cabin volume still you might end up better with a little lower note
 

Silver Member
Username: Cashby

Post Number: 174
Registered: Oct-06
i do have enough room because the back seats fold down and it will be on the back seat...so u think maybe around 51...?? and the way i place the box in there wouldnt it be best to do sub up and port forward or back???
 

Gold Member
Username: Frkkevin

Resonant Engineering..., Fort Worth... Email

Post Number: 2828
Registered: Nov-05
be honest ive never seen a firebird/camaro that year run like that so idk which would be best for you.. SPL is really trial and error

you could try subs up port back tuned to 48hz for a start.. either way itll be louder than sealed and you could always turn the box and fire the ports elseway to see which was louder
 

Silver Member
Username: Cashby

Post Number: 175
Registered: Oct-06
anyone else no anything else about wat i should do...?
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