CarAudio.com Veteran
PORT Size Calculations and Formulas for WOOFER and Subwoofer BOXES
i am wonder if this **** calculater is worth a **** the box will be 2.25 cubes looking to tune to 36hz the port i was gonna make 13.75" tall and 4" wide does it really need to be 65.07" long to achieve that..
2002 suburban
Security System Code alarm
Electrical Dc power sp270 7 deka 9A31's and lots of 1/0
Headunit pioneer 880prs
Amps Sax125.2 front stage 2 dd M4a's strapped@ 1 ohm
Wiring lots of 1/0 stinger, tsunami
Mids & Tweeters Dd w6.5 mids and lanzar opti crossovers and tweets
Subs 4-18" nightshade v2's d2
System DetailsDaily driver.
Kick-*** box builder
Well the calculator is very accurate but I don't know where you came up with 65.07" long? It said 42.71" long for me...
That is a lot of port area for that small of a box though, you should seriously consider using much less port or a bigger box depending on what you're using for subs and what you're trying to achieve.
Dave The Box Guy
154.4 db USACi Stock 601-1800- NH S.R. 2009
152.4 db legal in WCP1 TNESPL 2010
150.9 db legal in Stock 1 NESPL 2010
150.5 Street C Db Drag 2010
2010 Woofer Cooker Pro 1 champ
2009 NESPL Competitor of the Year
CarAudio.com Veteran
well they guy is trying to acheive spl i am not building it i was asked to figure his port area..i must have screwed up entering a measurement but i swear it came up to that number more than once but yeah today i get the same length a buddy checked it with his bassbox pro and said the port needs to be 49" so..
2002 suburban
Security System Code alarm
Electrical Dc power sp270 7 deka 9A31's and lots of 1/0
Headunit pioneer 880prs
Amps Sax125.2 front stage 2 dd M4a's strapped@ 1 ohm
Wiring lots of 1/0 stinger, tsunami
Mids & Tweeters Dd w6.5 mids and lanzar opti crossovers and tweets
Subs 4-18" nightshade v2's d2
System DetailsDaily driver.
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