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Some musing about the future of the service(Too much text but should read if you like the service): I've been developing the service for about 3 years, I've done many features: we have 3 clients(iOS, Android, WEB) and backend to connect it all. The project

i have 2 JBL W12GTI MKii and the specs calls for 2.25 per speaker is that with or without port and how big should I make the port I was thinking 4 in 

Hello,I have 2subwoofer edp152 spl e6,is this someone can give me the necessary bedding for the manufacture of the box

Why is the port speed different between simple and complex computation models with the same project? Under simple it calculates over 50 m/s at 17 hz (box tuned to 20hz using 200w rms) but under complex it calculates only 15 m/s. Curious of the explanation

Worst box app I've had to pay for, 

I’m looking at a wall build. For 2 nsv4 18” dual 1 subs. Max dimensions are H-43. D-19. L-57. Would like aero port design for a box.  Please help the tuning of it for ports and length. 28-40 hz is my range. 

It is maybe a dumb question, but I'm asking this, because I heared about those port styles which are aviable in SBL designer - called exactly the same like in SBL designer, or also some people calling round port as "tube" port, or something like this, but

Background: Building my own 3way speaker cabinet, trying to do as small possible with response aas effective as possible with my speakers I have. I tried to use this app to define correct Volume parameters , define frequencies for Bass reflexes, and I am t

I want to build a tapped horn, folded horn, Turbo Box

Where do you specify height, width, length?  I just want a simple box!!

I've been building speakers for many years. I like the fact that this is a web based solution with quite an extensive database but I am finding a discrepancy between my other tools and this tool when it comes to using multiple drivers. When I go from one d

Needing a design for under seat in 1999 Ford F-150 extended cab it’s goin to house 4 6.5 skar evl d4 

So I have a 2001 Jeep Wrangler hardtop convertible that I’m trying to build a box for that would sound good with the top off. My customer wants to go ported but as soon as we remove the top the bass is gone. Is there a certain way I should be facing both t

Can’t get the volume & tuning calculator on any of the DC audio database speakers to work, just goes blank when I enter volume & fb. 

I want the ability to choose my own port design for subwoofer box any shape

I want to be able to choose where to place the division for the sealed side section of a 4th order box.

Why does the graph change like this between simple and complex computation model i tried the same calculation in winisd and it seems to be closer to the simple version.  Red=complex Green=simple

I'm trying to see if anybody knows the exact coil size of an Audiopipe bd2 txx 12 inch subwoofer everything says two and a half I've measured with a micrometer I'm just trying to double-check that I'm correct if anybody knows this information I would great

So I don't see a while bunch online regarding these subs but I picked one up las week and because they are fairly unknown I'm struggling with what direction to go with the box. What type of box will do this sub justice? It's being pushed with a taramps 3k

This is my first time using this program so I'm fairly new to how it works I'm looking to build a box that will hold 4 skar evl-65 d2's and 2 skar vx200-st tweeters something not to big I'm even considering a smaller build with just 2 6.5s and a tweeter if