2 Sep, 08:58

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


9 Aug, 03:09

Lost help harmony 15 1400rms dual vent box


7 Aug, 09:44

Speakerboxlite prediction doesn't match REW measurements at all

So I designed a subwoofer in SBL, basically a 325mm cube with an Dayton Audio Ultimax UM10-22. The graph in SBL shows 40Hz at -3.8dB and 30Hz at -6.2dB. Now I built it with a Monacor SAM-300D and measured it with my UMIK-1 and REW, and it measures 40Hz at


30 May, 19:30

New driver approval

Hello, everyone, I am new, and I am discovering with great pleasure. I've been waiting for approval of a new driver in the database for a week now. Does it usually take this long for approval? Edu


4 Mar, 07:05

how to print blueprints

how do i print blueprints from my laptop?


8 Sep 2019, 07:20

There’s no place for Dimensions

Am I missing something? There’s no place to input box dimensions it only shows material thickness and material displacement. I also bought the pro version. Please Help, confused.


22 Aug 2019, 10:34


Trying to understand the graphs. Is there a legend?


13 Aug 2019, 06:03

Outside or inside measurements

Hi. want to ask when i add my numbers for the box is that inside or outside ? looking at rockfords calculator 34cm X 98cm X 25cm gives me 61,41 Liters 18mm MDF will i use. when i put in 980mm with. 340mm hight then i gives me 248mm depth Total Volume: 82,4


6 Aug 2019, 18:00

How can I share a Project when the subwoofer's' published specifications are wrong?.

How can a share a project that uses subwoofer specs that are not in the Speaker Box database?. I have built a sub using the GBW120. First I measured the Fs of the GBW120 and found it to be 39Hz while the manufacturer says it is 32Hz. The design of my proje


31 Jul 2019, 05:45

Purpose of Port Outside Length? How to use with labyrinth slot port?

Under the Box tab, Port Additional is the Port Outside Length field. I am using a rectangle labyrinth port. What is the outside length field measuring? How do I calculate it? I have specified vent width and height. I have used port outside length=0. I thin


20 Jul 2019, 11:42

Box, speaker, port models are not displayed in the "3D" tab

I have chosen speaker but the box, speaker, port models are not displayed in the "3D" tab. What is a trouble?


7 Jun 2019, 09:43

bass cabinet Celestion pulse 15"

Hello, I have embarked on this project, it is to connect a bass head and play with an electric bass in a rock band. What do you think of the project? Do you see any big mistake? Thank you


4 Jun 2019, 20:34

SPL chart missing

Why doesn't the SPL chart always show when you model a speaker?


20 May 2019, 16:18

How to insert a tweeter on the box?

How to insert a tweeter on the box, to simulate dimensions and displacement and to obtain quotes on the box? Thanks


11 May 2019, 13:58

Can you explain the height, width, and length of the port?

Can you please explain the height, width, and length of the port? I have changed the height of the port to different numbers but the 3d rendering does not show any changes. I don't understand. When I go to view the parts, none of the dimension change. What