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  1. FS: Polk Audio MM1040 DVC 10" SQ Subwoofer, Dual 4-Ohm VC

    Car Audio Classifieds
    Product Brand & Model: Polk Audio MM1040 DVC Marine-certified Subwoofer. Dual 4-Ohm Voice Coils. Polk Audio Mobile Monitor series Marine Subwoofer Specs PDF Condition of all items: BNIB Total Price: : $105 SHIPPED (2-3 Day Priority Mail Insured Shipping if Pay Pal fees are...
  2. What does Phase Response and Group Delay mean? Custom box

    Technical & Advanced Car Audio Discussion
    hey, i was wondering what the phase response and group delay graphs mean on my WINisd program, im trying to build a custom box and the amplitude response is flat and everything else is good but i dont know what phase response and group delay mean or do to my subwoofer box, what is the optimum...
  3. subs nature to sound bad sometimes?

    General Car Audio Discussion
    so I have an sa-15 running off an audioque 1200.1 at 2 ohms in a 3.7 cu.ft. 32hz enclosure I just built. this replaced 2 ma audio 12 sealed that I thought had really bad sound quality. So this setup sounds great on some songs and others it just sounds like noise. ive been listening to mostly...
  4. Adding subwoofers to 2004 Dodge Ram 2500 Quad Cab

    System Design: Help Me Choose Equipment For My Car
    Hi all, I'm adding bass to my 2004 Dodge Ram 2500 Quad Cab. I have an old Soundstream Reference 300SX amplifier that Mother's Window Tint said is a high quality unit (pics attached) and could drive 12" subwoofers. What I'm looking for at this point is direction on what kind of subwoofer...
  5. Enclosure Design help

    System Design: Help Me Choose Equipment For My Car
    I have a Alpine SWR-10D2 (1000 watts rms) i'm mounting to an alpine MRX-M110 and am looking to build a box for it. I'm going for SQ so I figured a sealed box would be best, am i right? I was told by a buddy who owns an audio shop that this sub is best in a ported box, however upon plugging all...
  6. Nee help for my MOFO-154X

    General Car Audio Discussion
    Hey this is my first post here. I'm kind of new to audio and I need help for plans for a ported subwoofer box. I've look at money posts, but I'm still a little confused. The subwoofer I'm getting is a MOFO-154X 15 inch subwoofer. I want to build ported box and I don't know how to... I'll be...
  7. Help for a box design? (First time builder)

    Fabrication, Tools & Tricks of the trade
    I recently purchased a Treo SSX 15" woofer that came with a crappy box so I want to make a new one but I have no idea how to calculate any of the port area things and the calculators do not work with the space in my trunk. The manufacturer recommends 3.5 cb/ft @ 29.4 hz with a 50sq/in vent...
  8. Sundown X8 enclosure design [Help needed]

    System Design: Help Me Choose Equipment For My Car
    Originally I was going with a different sub but plans changed... So I've now purchased a Sundown X-8 I found that the X-8 will like a .5 cubes box tuned to around 32Hz........ The issue is I have no idea how to design this box.... I want it to be wide and shallow to take up minimal room in my...
  9. Subwoofer enclosure help?

    System Design: Help Me Choose Equipment For My Car
    Sorry if this is in the wrong section... If so admin please move to correct area Hey guys! Newbie here, hopefully you guys could help give a once-over to my build. Currently I'm rockin a Sundown SA12 in my '07 Honda Civic Coupe. Unfortunately I've decided I'd like to move to something...
  10. Does this sub box plan look about right?

    Technical & Advanced Car Audio Discussion
    This is my first diy ported box build project for my alpine swr12d4 subwoofer. I built sealed box for the same subwoofer last year, and it sounds fine or I am not even sure how good it sounds to be honest. Anyway, now I am planning to build a ported box, with all the technical things...
  11. How to Build a Custom Subwoofer Box Tutorial

    How-To Articles Provided by our members
    Hello and welcome to my version of the “How to Build a Custom Subwoofer box Tutorial”. This tutorial aims to teach you not only how to create a subwoofer box but how to add additional styling and design to make it a one of kind masterpiece. This is a four part tutorial series; a brief...
  12. Need Help Tuning First Sub Enclosuere

    General Car Audio Discussion
    HI Im building a subwoofer box and need help determining port length. The Box is 2.188 Ft^3 and will have 2 round 3 inch PVC port. The ports will stick out of the box 5 1/4 inches I want to tune it tune 32Hz (is this good for rap and EDM?) My question is A port calculator website gave me a...
  13. X18 transmission line for a 2005 Honda Element

    Build Logs & Project Install Gallery
    I am in the middle of building a tline for my honda element using a Sundown x18.
  14. In search of an unusual part

    Fabrication, Tools & Tricks of the trade
    Hey everyone, I'm building a large cabinet for the back of my Jeep here pretty soon. Pretty much a big cube with 5 different compartments in it. One will serve as a sealed enclosure for my W6 and another will be for my two amps/bit ten/ distribution block. My goal is to try to make it...
  15. Help with Subwoofer(s) on River Radio

    Fabrication, Tools & Tricks of the trade
    I'm building a river radio and I'm looking for advice on the subwoofer arrangement. Enlcosure will more than likely need to be sealed since I plan to use this on the river and don't want to deal with it filling up with water. Also, people will be on all sides, so porting it one direction...
  16. Exodus anarchy ported box recommendations

    General Car Audio Discussion
    I'm thinking about making a center console enclosure for 2 6.5" exodus anarchy speakers and crossing them over for just sub duty. I can't seem to find any ported box recommendations for these speakers. I have read that sub down port forward is best for center console configurations. I'm not sure...
  17. SQ Setup 4.450$ budget

    System Design: Help Me Choose Equipment For My Car
    Car: Audi A3 1.8t 8L 1999 Budget: 3.450USD Whatever is listed at the time of viewing is my current set-up which (hopefully) will change based on the comments people make. Appreciated :) Amplifier: Gladen AS 200.4]GLADEN DSP 4to6 Monoblock: Will I need it? Looking for SQ. Subwoofer: 2x 10"...
  18. What type of subwoofer box should i make? help

    System Design: Help Me Choose Equipment For My Car
    i like sq over spl anyday. but i still want my system to get earsplitting loud which i doubt will be a problem. my main question is which type of subwoofer box will sound the best and get the most vibrations into my body?:D i was thinking about either a simple sealed enclosure or a 30hz tuned...
  19. Need help building subwoofer enclosure

    Technical & Advanced Car Audio Discussion
    i just got two new subs in the mail today and im going to build a custom box. i need to have a 3.6 cubic volume inside the box to get the maximum recommended size. what i would like to know is how do i calculate out the subwoofer and port inside the box to reach my goal of 3.6 inches. i tried...
  20. Recommend a box for Arc Audio Arc 12 (not v3)

    System Design: Help Me Choose Equipment For My Car
    I'm looking for sealed so the bass is tight and punchy but want it to do low low bass as well. Setup will be purely for SQ. Thanks for any input.