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  1. #1
    MemphisLove.'s Avatar
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    big problem.

    ok my friend had a box built for his ranger. it is a wedge style box. i went to this website http://www.the12volt.com/caraudio/boxcalcs.asp#por and typed in everything. the box came out to be .692 cubic feet with a port tuned to 62 hrtz. can someone double check for me.


    the demensions according to the sites is

    width=30 inches

    height 1=7

    height 2=4

    depth is 12

    and the thickness of the wood is .75 inches.



    it came out to be .69.... cubic feet. and if thats the case then could that be the reason that my friends sub has already messed up twice inside of the box. i also typed in the port calculations with the box volume of .69 and came out with the port being tuned to 62 herts.

    the port measurements were 3.75 diameter and 8 inches long. anyhelp would be nice



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
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    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
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    Re: big problem.

    thats what i got (62-63hz, online calculators vary) Thats way too high!! who built the box for him? was it a shop?



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    Re: big problem.

    yea it was a shop and a memphis m3 is in there.... a 12 too lol



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

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    Re: big problem.

    62 is danm high.........i'd take it back to the shop. How long has he had it and not taken it back after it sounded like that?



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    Re: big problem.

    lol about a month. he doesnt know any better. and i always figured it was suppose to since it was in a single cab truck. it sounded hollow to it. it was weird but it was loud in the 40-50's hrz so i figured it was ok. but when it came to lower stuff it sounded just weird like the sub was dying trying to produce it. i was curious at how much room the m3 would need over the pice of crap planet audio that was in there before hand. Could that also be the reason the planet audio didnt last long? the box being too small?



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

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    Re: big problem.

    I put the info you gave on bassbox pro and i get V=1.093 tuning 49.1hz



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    Re: big problem.

    If it was tuned to 64ish hz it shouldn't even be playing notes at like 35 and below, I'd def. take it back to the shop. I dont think even SPL competitors tune that high.



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    Re: big problem.

    Quote Originally Posted by phyphoestilic View Post
    If it was tuned to 64ish hz it shouldn't even be playing notes at like 35 and below, I'd def. take it back to the shop. I dont think even SPL competitors tune that high.

    x2, i'd throw it through the shop window w/a not reading "fix this"....lol jp, but def. take it back.



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    Re: big problem.

    yea see i dont know if i put teh measurments in right. Symon said he got 1 but i put in what i got 3 times... im going to try it one more time.



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

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    Re: big problem.

    i remeasured the box

    heigth 2 is 4.25 inches instead of 4 so that increased the volume to .7 but i still didnt get 1 cubic foot. Im pissed. so is that a reason why the planet audio would play for about 2 weeks then after 1/2 volume would cut in and out?



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

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    Re: big problem.

    Even if its not 1 cubic feet the main concern is the tuning.



    Lexus LS400 Setup
    Eclipse CD7000 (Running Active)
    Image Dynamic OEM CX64s
    Image Dynamics NX30 Tweeters
    US Acoustic USF600 x2, USF800 x2 (Zed Audio )
    150ft+ of Rammat
    IDMax12 1.5cft. I need to cut for IB
    25 feet 1/0 Stinger Expert, 15 feet 4 Stinger Pro
    Stinger Dream Series, Knu Konceptz Krystal Series RCAs

    Ref: (Bought From)Renegadesrun, IonSQL, CrazyJoker2, Alpine CDA-9815 , FI Car Audio, yournumber1dan , B_Campbell, jacobcopeland87, mike dressure x2, James_Bang, blue200sx
    (Traded w/) Iceteebone, sxkicker89
    (Sold To): James_Bang, timbo12, gsxrjjordan
    Ebay: PhyPhoestilic (100%)

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    Re: big problem.

    yea i know. ok so someone lay it down for me. can high tuning and too small of a box destroy a sub. cause if so we are going to take it back to summer sound and make them pay us back for the sub shipping for building a box for a subwoofer they sell and were more than happy to build a "awsome" box for...



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

  13. #13
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    Re: big problem.

    Quote Originally Posted by MemphisLove. View Post
    i remeasured the box

    heigth 2 is 4.25 inches instead of 4 so that increased the volume to .7 but i still didnt get 1 cubic foot. Im pissed. so is that a reason why the planet audio would play for about 2 weeks then after 1/2 volume would cut in and out?
    i try a website program and it gave me the vol you mentioned, but those programs have some error cause if you calculate asuming the minimal height that is 4.25 and you multiply 4.25x12x30 = 1530 in3/1728in3 = you get 0.89 ft3. plus ading the triangle you get 30x12x(7-4.25)/2 = 495in3/1728in3 = 0.29 ft3, after displacement of port you get about 1 ft3



    Car: 2006 MB E280
    HU: evaluation the options...
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    Re: big problem.

    Quote Originally Posted by MemphisLove. View Post
    yea i know. ok so someone lay it down for me. can high tuning and too small of a box destroy a sub. cause if so we are going to take it back to summer sound and make them pay us back for the sub shipping for building a box for a subwoofer they sell and were more than happy to build a "awsome" box for...

    yes, those tunings are use by proffesionals how know what they are doing, but you can change the tuning just changing the port. With a 3.75" x 20" you get about 35 hz



    Car: 2006 MB E280
    HU: evaluation the options...
    Front Spk: evaluation the options...
    Amp: Alpine PDX-V9
    Sub: 2 10" Memphis Sclass

  15. #15
    MemphisLove.'s Avatar
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    Re: big problem.

    Quote Originally Posted by Symon_say View Post
    i try a website program and it gave me the vol you mentioned, but those programs have some error cause if you calculate asuming the minimal height that is 4.25 and you multiply 4.25x12x30 = 1530 in3/1728in3 = you get 0.89 ft3. plus ading the triangle you get 30x12x(7-4.25)/2 = 495in3/1728in3 = 0.29 ft3, after displacement of port you get about 1 ft3
    but dont u have to account for the size of the wood?



    Quote Originally Posted by iceteebone View Post
    dude you are the looser who can't blast a nut. we aren't cock docs, so all we can tell you is to jack off. beat peter till he barfs up the white stuff or go lorraina bobbit on your blue balls and cut them off
    Nissan 350Z
    Digital Designs 9510E with F soft parts
    I NEED A AMP for the DD, either 2000+rms at 2 or half ohm. PM ME!!
    for sale:
    Memphis M3
    Memphis PB-400
    Rockford Fosgate P162S
    Memphis PR100.2

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