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  1. #1

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    Join Date
    May 2008
    Location
    Houston, TX
    Posts
    395

    Default My first run at a sub... Blue prints for now.

    Okay, like the titles reads, I am going to attempt my first diy sub. The materials include:

    1) Shiva-X 12" Driver
    2) Behringer EP1500 Amp
    3) Recessed 5-way banana speaker terminal
    4) 3/4" Thick MDF
    5) Fiberglass stuffing (insulation from Home Depot)
    6) Paradigm X-30 external crossover

    My sealed cabinet's dimensions are: 18.5" x 20" x 20.75" giving me 4.4429 cubic feet. The MDF cut sheet will be .75" x 49" x 97" , enough to construct the whole box.

    The following is a generic, but yet good model I found for the cabinet off of AVS.




    The board's dimensions are as follows:

    Top & Bottom: 18.5" x 20.75"
    Front: 18.5" x 18.5" w/ 12.5" diameter circular cutout
    Back: 18.5" x 17" w/ 2.875" x 2.125" rectangular cutout
    Left & Right" 18.5" x 18.5"

    Front baffling and center bracer: 17" x 18.5" w/ 11.125" diameter circular cutout

    I also will lightly stuff the cabinet with the insulation to dampen the resonance and attach spikes on the bottom of cabinet.

    I will hook this up to a bridged Behringer EP1500 giving me 1400 watts for this puppy, and also use the Paradigm X-30 external crossover for this.

    In closing, I am asking for any advice, help, thoughts, opinions, critiques. I want to make sure the .75" thick MDF is a good enough piece of material for this sub, so forth. If I can get the Behringer A500 instead of the EP1500 tell me. Also, I wanted to make sure my cutouts were accurate, the sealed design will be adequate. When looking the at the excel spreadsheet graph, the SPL vs Frequency looked really impressive.

    All in all I am excited about starting this and would like overall opinions on the project! Oh yea, I am also giving my HSU STF-2 a plug since I will be selling it locally! =D

    Have a nice day and thanks in advance for the help

    edit: How would this do for an external sub amp: Pyle PTA1000 .. 1000watt amp.. http://www.5starkaraoke.com/product_...ducts_id=50731
    Last edited by Shicks18; 08-16-2009 at 07:02 PM.
    TV: LG 55LW5600
    Pre: Marantz SR6001
    Front Amp: Parasound HCA-1000A
    Center Amp: Marantz MA500
    Mains: Polk LSi9
    Center: Polk LSiC
    Sub: HSU VTF-3 MK-2
    Games: Xbox360 and PS3

  2. #2

    Member Sales Rating: (0)

    Join Date
    May 2008
    Location
    Houston, TX
    Posts
    395

    Default

    [QUOTE=Shicks18;1132828]Okay, like the titles reads, I am going to attempt my first diy sub. The materials include:

    1) Shiva-X 12" Driver
    2) Behringer EP1500 Amp
    3) Recessed 5-way banana speaker terminal
    4) 3/4" Thick MDF
    5) Fiberglass stuffing (insulation from Home Depot)
    6) Paradigm X-30 external crossover

    My sealed cabinet's dimensions are: 18.5" x 20" x 20.75" giving me 4.4429 cubic feet. The MDF cut sheet will be .75" x 49" x 97" , enough to construct the whole box.

    The following is a generic, but yet good model I found for the cabinet off of AVS.




    The board's dimensions are as follows:

    Top & Bottom: 18.5" x 20.75"
    Front: 18.5" x 18.5" w/ 12.5" diameter circular cutout
    Back: 18.5" x 17" w/ 2.875" x 2.125" rectangular cutout
    Left & Right" 18.5" x 18.5"

    Front baffling and center bracer: 17" x 18.5" w/ 11.125" diameter circular cutout

    I also will lightly stuff the cabinet with the insulation to dampen the resonance and attach spikes on the bottom of cabinet.

    I will hook this up to a bridged Behringer EP1500 giving me 1400 watts for this puppy, and also use the Paradigm X-30 external crossover for this.

    In closing, I am asking for any advice, help, thoughts, opinions, critiques. I want to make sure the .75" thick MDF is a good enough piece of material for this sub, so forth. If I can get the Behringer A500 instead of the EP1500 tell me. Also, I wanted to make sure my cutouts were accurate, the sealed design will be adequate. When looking the at the excel spreadsheet graph, the SPL vs Frequency looked really impressive.

    All in all I am excited about starting this and would like overall opinions on the project! Oh yea, I am also giving my HSU STF-2 a plug since I will be selling it locally! =D

    Have a nice day and thanks in advance for the help

    edit: I am really needing advice on an external amp for the sub, suggestions needed! The amp can't exceed $200.
    TV: LG 55LW5600
    Pre: Marantz SR6001
    Front Amp: Parasound HCA-1000A
    Center Amp: Marantz MA500
    Mains: Polk LSi9
    Center: Polk LSiC
    Sub: HSU VTF-3 MK-2
    Games: Xbox360 and PS3

  3. #3

    Member Sales Rating: (3)

    Join Date
    Nov 2005
    Location
    In the country Geronimo oklahoma
    Posts
    964

    Default

    cant exceed 200.ooo wheeew now thats a million dollar question I would go for one of the plates amp from parts express maybe the 500 watter will be close to that figure .... the one with x-over adjustment and such they build 2 models a 1000 watter and the lil brother I have the upper and I like it ...hey wait the Bash 300 or 500 might be in your realm check em out I put one in my sons cabinet we built and it rocked the house with 2 "12 old school fosgates ... it was very amazing what them old boys would do !!!
    " He who dies with the most equipment wins Right ? "

    Denon 3300 [COLOR="Blue"]Adcom 535 BBe w/sub out 1 pr 4.6s 2 pr of 4 jrs Recent additions Samsung Lns-4095D LCD, Samsung hd-960 DVD, Monster HT-5000 Power center
    ,HPSA-1000 18" sealed DiY home sub.:D
    Black Laquer 1.2tl's w/ upgraded x-overs and Tweets BI-Amped with 2 Carver tfm-35's Knukonceptz 10ga cables

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