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I have 4 cubic feet total to play with for a single resilient sounds platinum 18 at 1 ohm. Wattage conservative at 4500-5000 please help with port size slot preferably.

Making a Box for one of Orion old hcca ( H2. 10.2) Subwoofer. Been confused with the tuning and volume for this subwoofer.  Anyone help me with demionsion or suggestions?

Looking for the best possible box designed for 4 8 in sound cubed SD 2 8-in dual 2-ohm coil in a 2006 Silverado extended cab four door preferably a vented enclosure and one that contours to the rear of the cab and the floor I would like to box to be dual p

I need a box for 2 ds18 exl xx15s but they need to go into a 2007 nissan altima. the trunk of the car is kinda on the small side.

I don't understand what choose +3db frequency in the car icon thing in the graphs mean. And when I look at the details on my graph I don't hit 0 db until 70 hz and I feel like that is really high? Building a sealed box for Stereo Integrity SQL 15 D4. I ent

From the looks of it there's not much support in this app because nobody's questions are answered but How in the WORLD do you add the internal part of your port to your box?? This is the most frustrating app I've ever used and is super glitchy.. I have my

I just recently noticed that the data shown on the graphs refuses to allow the use of slot ports. Why is that and will it be changed soon.

Hey everybody, I'm in need of some experienced help. I've got all of my specs in for my current build but now that I have everything plugged in I'm noticing my port velocity is through the roof. Any tips? And how could I load my build for everyone to see/c

Why are my suggestion ones way of spec/ unrealistic 

Man I am so lost.  I import my driver, and start small with closed non vented.  When I try to draw a box it doesn’t even show the faceplates - they are all blank.  what am I doing wrong :((

Is anyone having trouble out of the cone displacement graphs? I haven't had any problems until today. I modeled a new driver in the app and there is no way the excursion graphs are correct. Every single one are basically showing the driver self destructing

Hey Everyone, I'm brand new to the app as well as anything design related with audio. I did a google search for "Speaker Box Design" then found the app & desided to try it out. So I have a couple of small speakers, roughly 2×6" that I'd like to build suita

Does anyone have the parameters (specs) for a Orion HCCA 12" SPlX 1ohm Sub that handles 7500 RMS 

Has anyone ever ran a set of these? I'm thinking g about buying 2 12s and running a smart 3 on them? But don't know what the best box? Cubic feet? I'm currently running 1 12.2 orion hcca on a smart 3...

does speakerbox automatically take port volume into account during the calculations. id assume so, but total volume always increases as port size increases, and useable volume remains the same