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  1. Tuning Of Split Port (Double Baffle)

    Technical & Advanced Car Audio Discussion
    Hey all, quick question that I couldn't seem to find the answer to anywhere else Referring to this image https://imgur.com/fJsO1hW How does the tuning work in a double baffle configuration where the port width effectively changes along its length? Do you use the wider or the narrower width...
  2. Box for Kicker cvr 15

    General Car Audio Discussion
    Hey my kicker cvr 15 inch just arrived! I want to make a ported box for it, but I'm new to this and don't know how to. Can anyone design a box? I;m also not sure what to tune it to. I listen to electronic and rap. I like the low bass. Thanks.
  3. 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...
  4. 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...
  5. The Real Port Formula

    Technical & Advanced Car Audio Discussion
    I am troubled by all the different port formula equations surfacing today all spitting out different answers so I came here to ask you. Why are they all different. Does the qtc change with them or whats going on! Before I spend hundreds building boxes, I want to make sure I'm doing it right...
  6. My first build

    System Design: Help Me Choose Equipment For My Car
    Mounting Depth (IN.,CM) 6 1/4, 15.9 Mounting Cutout (IN.,CM) 11, 27.8 Min Rec Sealed Box Volume (CU. FT., Liters) 1, 28.3 Max Rec Sealed Box Volume (CU. FT., Liters) 4.6, 130 Min Rec Vented Box Volume (CU. Ft., Liters)** 1.75, 49.6 Max Rec Vented Box Volume (CU. Ft., Liters)** 2.25, 63.7...
  7. 12W3v2 ported enclosure question

    General Car Audio Discussion
    I am trying to wrap my head around enclosure tuning but for some reason it is just not making sense to me. So I am hoping someone can simplify it for me. The JL manual recommends a ported box that is 1.75 net volume tuned at 30.3. I spoke with tech support to see if they had the port...
  8. Old Kicker SS12

    General Car Audio Discussion
    I've got one of these and I'd like to know does anyone know where I can get a set of the port plugs that went into the ports on the back of this box? I've had this box for years and looked all over the place, can't find'um. I know some of the guys here have some pretty old school stuff cause...
  9. unique porting situation

    General Car Audio Discussion
    i am porting with pvc and should have a port surface area of between 19 and 21 sq inches i bout one 3 inch pipe and one 4 inch pipe along with fittings etc something like 25 bucks worth of pvc soon after i realize each port will have a different tunning frequency can i port with this pvc ?
  10. Sub Box Design

    Fabrication, Tools & Tricks of the trade
    I recently upgraded my JL Audio 12W3 to a JL Audio 12W6. The 12W3 was in a ported box built by a local shop. The dimensions are 17.5"x13"x16" (WxHxD) and the port is 2.5" wide 11.5" high and 11.75" deep. With my amplifier settings all set at stock still and my head unit at 0 for subwoofer EQ it...
  11. Subwoofer Box Design

    System Design: Help Me Choose Equipment For My Car
    I recently upgraded my JL Audio 12W3 to a JL Audio 12W6. The 12W3 was in a ported box built by a local shop. The dimensions are 17.5"x13"x16" (WxHxD) and the port is 2.5" wide 11.5" high and 11.75" deep. With my amplifier settings all set at stock still and my head unit at 0 for subwoofer EQ it...
  12. Subwoofer Box Design

    General Car Audio Discussion
    I recently upgraded my JL Audio 12W3 to a JL Audio 12W6. The 12W3 was in a ported box built by a local shop. The dimensions are 17.5"x13"x16" (WxHxD) and the port is 2.5" wide 11.5" high and 11.75" deep. With my amplifier settings all set at stock still and my head unit at 0 for subwoofer EQ it...
  13. Porting science question

    Technical & Advanced Car Audio Discussion
    Lets say I attempt the experiment of porting my IB subs in my trunk. If I place a long smaller tube on the two vents to the outside for heating/cooling venting so they still function, such as 1.25" by 12" or longer, would they not tune or tune under 10Hz? The ports for the subs will be into the...
  14. ***4" Precision Port Flared Aeroport Tube***NEW!***

    Car Audio Classifieds
    These sell for $14 plus shipping (looking at about $23 shipped) Im selling this for only $16 shipped Parts Express:Precision Port 4" Flared Port Tube Kit
  15. How does port tuning affect SQ?

    Technical & Advanced Car Audio Discussion
    Well I'm moving from a 10" Dayton HO to a 15" Dayton HO because I'm searching for a more fulfilling low-end and a bit more thump. This is beside the point though. My 10 is in a .75ft^3 box tuned to 32Hz, the 15 will be in a 3.25ft^3 tuned to 25Hz. Will there be a noticeable difference in...
  16. ported box help for fi q 18

    Fabrication, Tools & Tricks of the trade
    Im trying to make a box for my fi q 18, and the first was unsuccessful.. theres limited space in my trunk, and I have a few questions about ported box construction... First of all this is not my first ported box, its my 5th, all of which have came out very nice, loud and sounded good as well...
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