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Reload Thread: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

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    stutla22's Avatar
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    Icon12 Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Hello everyone, I recently purchased a threatcon 4 12'. These specs are from c2audio's Site
    12" Threatcon-4 Dual-2 Ohm
    FS: 35.7 Hz
    VAS: 28.8682 L
    QES: .4082
    QMS: 2.2965
    QTS: .3466
    MMS: 239.1952 g
    BL: 22.9272
    SENS: 87.0965 DB
    Enclosure Recommendations:
    Sealed: 1.0 - 1.25 ft^3
    Ported: 1.5 - 2.0 ft^3 @ 35hz

    This will be my first box build but my brother is helping me cut the wood perfect. Should I use 1 1/4" staples and glue or wood screws and glue? I was just going to copy this box build

    12 inch Custom Ported MDF Car Stereo Sub Woofer Enclosure 2 CU ft Tuned 32Hz | eBay

    But its for 32hz I want 35. Unsure how long to make port and how open to make it to get 35hz?


    I'll be running it on a audiopipe 1800 at 1 Ohm.

    Any help will be appreciated!
    Attached Thumbnails Attached Thumbnails Need help with box/port dimensions for a ThreatCon 4 12"! Building today!-24342880104_large.jpg  
    Last edited by stutla22; 02-22-2014 at 12:37 PM.







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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Available space- 38x22x17"




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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Quote Originally Posted by stutla22 View Post
    Available space- 38x22x17"
    Why not pay someone to design u a box to suite that sub ur car can listenimg habits vs. Trying to copy a crappy generic ebay prefab ..you will be alot happier in the end @Buck ; can do the design for you .he does all mine




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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Fire Woofer Back Side Port on Driver Side.
    External Dimensions of Box:
    15" High
    30" Wide
    15" Deep
    Use Double Baffle Front
    Side Port Dimensions With Internal L Port:
    13.5" High
    2.5" Wide
    30" Long (L Shape go over than Forward in Box Keeping 2.5" Width)
    Keep Box shifted to Passenger side so port can load 6-8" from Driver Side of car.
    Internal volume after woofer, Port and wire displacement is about 2 Cubes and port is tuned to 35 Hz.





    www.c2audio.com

    Car Stereo LLC
    5462 Mahoning Ave.
    Youngstown, OH 44515
    330-953-0331

    Hours: Mon-Fri 9-5 est




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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Quote Originally Posted by C2 Audio View Post
    Fire Woofer Back Side Port on Driver Side.
    External Dimensions of Box:
    15" High
    30" Wide
    15" Deep
    Use Double Baffle Front
    Side Port Dimensions With Internal L Port:
    13.5" High
    2.5" Wide
    30" Long (L Shape go over than Forward in Box Keeping 2.5" Width)
    Keep Box shifted to Passenger side so port can load 6-8" from Driver Side of car.
    Internal volume after woofer, Port and wire displacement is about 2 Cubes and port is tuned to 35 Hz.
    If thats not good customer service idk what is




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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Idk civic might be diff but when i switched from rear port to side my output was cut in half.so i would only recccomend if u know it works in that car




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    Re: Need help with box/port dimensions for a ThreatCon 4 12"! Building today!

    Quote Originally Posted by NASTY08IMPALA View Post
    Idk civic might be diff but when i switched from rear port to side my output was cut in half.so i would only recccomend if u know it works in that car
    The side or rear port question is a tough one... I have had luck and failures with both styles. The Key to making a trunk setup loud is all about loading the woofers and port properly. Always use rule of thumb you need 6-8" from port to properly load and get loud. I like to side load on vehicles that are not sturdy in the rear or that have a large plastic tail light area. The biggest issue with side port is loading because the side surface is uneven and also box needs to be mounted to prevent it from sliding as you want to keep 6-8" distance for loading. -Chris





    www.c2audio.com

    Car Stereo LLC
    5462 Mahoning Ave.
    Youngstown, OH 44515
    330-953-0331

    Hours: Mon-Fri 9-5 est




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