Thursday, 07:25

Attention!!! The future of the service

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


Thursday, 05:04

Building two side trapezoid terminology

So I'm building a two sided trapezoid box so there is a couple different angles which I'm all good with but while checking out the cut list I came across a term that I just want to get a definitive answer as to what it's asking before I continue, so can an


Sunday, 19:56

I’d like some help navigating the app

I would like some help navigating the app so I can start working on speakers


17 Jan, 20:37

2 deafbonce apocalypse 4514rd2 in sentra

Removed all seats except driver in 2008 sentra. Cut out rear deck all the way to windshield added alternate bracing. I have 3 agm 1 lithium battery 320 amp alternator and salt 4 for 2 deafbonce apocalypse db4515r d2 parralel at .5 ohm I have built 2 ported

17 Nov 2021, 06:24

I have trubbel with the Volume

Speaker box dont, calculate the Volume of the box right... should i installera and install the app? //Mvh Chrick


17 Nov 2021, 06:23

Apocalypse Db-3012

When will new subwoofers be available I've been trying to get the deaf bonce apocalypse Db-3012 first version on here since July but it says the still waiting to be reviewed any help would be great thanks 


16 Nov 2021, 19:49

How to change wiring from series to parallel?

I'm currently working with 2 D2 subs and it automatically assumes that im wiring to 4 ohms. I'm trying to make sure taht my impedance rise is accurate


26 Oct 2021, 12:01

When are different types of enclosure going to be added to the app?

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


11 Oct 2021, 23:58

When company calls for 2.25 vb is that with port

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 


5 Oct 2021, 17:16

box of edge

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


2 Oct 2021, 01:03

Simple vs complex port speed

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


28 Sep 2021, 09:08

Ports length and how many

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. 


27 Sep 2021, 05:52

What means "slick" port style?

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


22 Sep 2021, 17:19

Box Volume in real part application

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


30 Aug 2021, 18:32


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


16 Aug 2021, 18:02

Multiple driver speaker 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


5 Aug 2021, 17:29

Needing help designing underseat box

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


4 Aug 2021, 12:59

How to make a full convertible hit hard

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


3 Aug 2021, 14:06

DC audio database issues

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.