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My subwoofer build for my 17 CrewMax

Discussion in 'Audio & Video' started by 1999cutiger, May 31, 2020.

  1. Jun 5, 2020 at 10:31 AM
    #31
    smslavin

    smslavin Behind a lens...

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    Some stuff
    this should give you the room. i had to cut mine in order for the box to fit.
     
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  2. Jun 7, 2020 at 10:05 AM
    #32
    dumbassdave

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    Try doing a slanted box. Even with just a circular saw, you can clamp in your own fence. Honestly at that angle you wouldn't really even need to cut an angle if the front of your box fits over the edges. It will stick up a bit over the top, but you won't ever see it.
     
  3. Jun 7, 2020 at 10:08 AM
    #33
    dumbassdave

    dumbassdave Member

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    Definitely do some sound deadening if you get rid of that part.
     
  4. Jun 7, 2020 at 10:17 AM
    #34
    getwiser88

    getwiser88 New Member

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    Looks good!
     
  5. Jun 7, 2020 at 10:27 AM
    #35
    Danimal86

    Danimal86 Looks clean even when its dirty!

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    That back mat does nothing. I dont think the 2020's come with them (i could be wrong). That panel is the easiest thing to sound deaden, so might as well ditch the mat and put some noco or killamat on there.
     
  6. Jun 7, 2020 at 11:51 AM
    #36
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    UPDATE:

    I decided to go a different direction and built two separate boxes....and they fit!

    The boxes are 11” tall, 15” wide, and 4” deep. Very small but I wanted to make damn sure they would fit. Kicker spec’d .20 cubic feet minimum for a sealed enclosure and this design gives me 0.19 cubic feet...close enough.

    Reluctantly I decided to return the Focal subs due to the fact they were too deep given my woodworking skill. Really hoping the Kicker L7T 8’s I bought will fit as far as the top portion of the sub including excursion. I estimate the total depth of the box and subwoofer including max excursion will be approx. 5”.

    384F19EF-33ED-4ECA-8AFF-F11535CFB15D.jpg

    DCB6599D-E005-41B2-AA25-32CB012C03EA.jpg

    42EC865F-3CE0-4B5E-8B32-D59A48932524.jpg
     
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  7. Jun 7, 2020 at 4:20 PM
    #37
    Kevrev

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    Last edited: Jun 7, 2020
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  8. Jun 9, 2020 at 10:05 AM
    #38
    aparker813

    aparker813 New Member

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    Is the .2 cubic feet before or after displacement? If kicker wants .2 after accounting for the sub you'll probably be well shy of recommended airspace.
     
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  9. Jun 9, 2020 at 11:02 AM
    #39
    13igtymer

    13igtymer New Member

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  10. Jun 9, 2020 at 11:24 AM
    #40
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    The 0.20 cubic foot minimum requirement includes the subwoofer displacement.
     
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  11. Jun 9, 2020 at 11:27 AM
    #41
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    I used Noico mat over the entire rear portion of the truck and the doors in a previous project. I will be doing the front half soon.

    Makes a huge improvement...
     
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  12. Jun 9, 2020 at 3:50 PM
    #42
    preacher35

    preacher35 RIGHTEOUS MEMBER

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    James @ Tech12Volts recommends just removing the entire rear wall pad stating that it serves no real purpose. He also said that even Toyota has discontinued installing the rear pad for that very reason. And Like @1999cutiger stated, just mat the back wall with Noico or some other equivalent sound dampening material and you will be good to go. I used Noico on my back wall, floor and all four doors. Made a HUGE difference in the quieting of the cabin from outside noise and the difference in the door speaker sound is pretty dramatic. The bass on my factory door speakers was improved now that all of the huge holes in the door under-structure were now sealed. I have since replaced my entire factory setup with after-market. I wish I had done this 8 years ago with my '05 4Runner. Oh well, with age comes wisdom!
     
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  13. Jun 12, 2020 at 7:50 PM
    #43
    learnem

    learnem New Member

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    Love my car audio. 51 yrs old. Had systems in all my vehicles since high school.
     
  14. Jun 14, 2020 at 3:23 PM
    #44
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Duratex coating applied to the boxes. Subs have arrived. Waiting for these boxes to thoroughly dry so I can proceed with the next steps.

    78F4F5DA-6401-4450-BF67-1A38E80C882A.jpg

    F8D566CB-0FC7-4356-9450-509348EEDD44.jpg
     
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  15. Jun 15, 2020 at 7:13 PM
    #45
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Done.

    B1F431F1-A8E8-425E-937B-4686FE4CC1F0.jpg
    86CD6991-9029-42A5-9385-A27D34AEB2AC.jpg
     
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  16. Jun 15, 2020 at 9:28 PM
    #46
    Toyotoholic

    Toyotoholic -4Life-

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    Nice!
     
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  17. Jun 16, 2020 at 10:24 PM
    #47
    Twinky

    Twinky Keep the shinny side up!

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    Those look great.
    Something to consider. You can stuff your box with polyfill. It's just a type of pillow stuffing you can get at walmart.

    It in a sense tricks the sub into acting like it's in a bigger box. Insulation works the best but only in a sealed box. You can use pollyfill in a vented enclosure also. You just need to screen off the inside of the port. i believe is about 1 pound per cubic ft. so in your case a half of pound.

    A few good box building resources are:
    -Pc only, winisd. though it takes some time to understand and use.

    -Torres box. Pc and mac . https://www.stevemeadedesigns.com/board/topic/38791-torres-box-tuning-calculator-updated-818/

    -xplicit. android app

    All are very accurate and excepted by the audio community.
     
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  18. Jun 17, 2020 at 6:24 AM
    #48
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Excellent advice. I used polyfill inside both of them.

    Hopefully it will help somewhat given the small size of these enclosures.
     
  19. Jun 17, 2020 at 6:32 AM
    #49
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    I plan to use L-Brackets to secure the enclosures to the truck.

    I am nervous as hell about drilling holes into the truck body not knowing what is underneath and what I could hit.

    With my luck, I'd hit the fuel tank.

    Can somebody tell me a safe place to drill the holes without any chance of hitting anything underneath the surface?
     
  20. Jun 17, 2020 at 6:59 AM
    #50
    Danimal86

    Danimal86 Looks clean even when its dirty!

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    why not try some strong velcro and set it on the carpet? Unless you are doing some serious off roading, it'll hold just fine.
    i've got my amp rack secured down with velcro and it tough to pull it off if i need to get to the back of the amp.
     
  21. Jun 17, 2020 at 7:20 AM
    #51
    Twinky

    Twinky Keep the shinny side up!

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    Honestly, if the speakers and boxes aren't all that heavy then i don't see a real problem.

    They aren't in a place that they could be a hazard if you have to mash the breaks.

    But i would encourage you to secure them the way that you feel is the most appropriate.

    Can't really help you with finding safe drilling points, but you could try using that angle metal that has holes in it. i can't remember what it's called but it's sold at most hardware stores.. It's commonly used to mount garage doors and garage door opens.
     
  22. Jun 17, 2020 at 7:20 AM
    #52
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Not a bad idea at all.

    I wonder if the enclosures will want to flop forward given they are top heavy.
     
  23. Jun 17, 2020 at 7:25 AM
    #53
    Danimal86

    Danimal86 Looks clean even when its dirty!

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    You could always put a piece of velcro on the back of the box and the other side on the back of the cab.
     
  24. Jun 17, 2020 at 8:20 AM
    #54
    SandyTRD

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  25. Jun 21, 2020 at 4:30 PM
    #55
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Test fit them today. Plenty of room. Getting closer...

    585E7C0F-BBD3-4DC8-9FCF-6F9030A20553.jpg

    19094C46-226B-4272-9367-FCAC0B147FF4.jpg
     
  26. Jun 21, 2020 at 5:34 PM
    #56
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Does anybody know what bolt size/thread pitch this hole is? Thinking about using this to secure my enclosure to the back wall.

    869C7990-82D6-47DD-AD33-C478E4CBDC3D.jpg
     
  27. Jun 23, 2020 at 7:03 AM
    #57
    Kojack

    Kojack New Member

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    There is a Velcro called "poly lock" that the pieces look the same but lock together. It has a peel and stick 3M self adhesive that will hold just about anything.
    One piece of each on the back wall and the back of your box, push firmly to get them to stick to each other and you are done.
    If you have to remove, use a flat head screwdriver and pry them apart.
    Mike
     
  28. Jun 27, 2020 at 1:09 PM
    #58
    1999cutiger

    1999cutiger [OP] Top Flow Lifestyle

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    Getting closer...

    90ECF1C8-00E4-4CEB-8866-E166D6BB2D20.jpg

    851AF1B2-7DE0-4078-934B-22263D727389.jpg
     
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  29. Jun 27, 2020 at 1:15 PM
    #59
    preacher35

    preacher35 RIGHTEOUS MEMBER

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    Looks very professional! Interested to hear how it sounds.
     
  30. Jun 28, 2020 at 5:37 AM
    #60
    _SP_

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    I cheated and went pre made for 99$ and added a Kenwood shallow sub. It thumps really nice.

    https://www.amazon.com/gp/product/B07KW1R6YW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1


    this was 119$ a few months back. Its worth the money and made of really nice materials and sounds nice after it got broken in. I had to turn the gain down after a few weeks. My commute is short to work about 10 minutes

    https://www.amazon.com/gp/product/B000PKDOQC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
     

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