15 Feb, 11:36

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


Yesterday, 08:38

help with speaker database

Alex,  I am a retired audio engineer and was wondering if you need any help with speaker database, I have noticed errors in speaker data that simply cannot be true...  I am offering you a hand in verification and if need to be testing in the future to vali


Yesterday, 07:54

subwoofer enclosure

hi, i am planning to build a new subwoofer for about 500 rms, can onyone design me a subwoofer enclosure?


7 Mar, 12:33


The app adjust the box for peak power?? Down in ts parameters is the PE, i left everything stock and i think i build my box for 2000w


1 Feb, 17:02


What box to chose for Rockford t212d2, net volume without driver displacement and frequency tuning, i don't know what to chose, i was thinking 2.3 cuft at 31hz


29 Jan, 19:56


Max spl and spl shows the same parameters 112 db why? And 3d box is not working. Thanks 


29 Jan, 19:22

Why don't my speakers ever get added

What's the point in having the add speaker button when people spend there time finding ts parameters and all the stuff about a sub or speaker then upload it and wait weeks and it never even gets added.. 


26 Jan, 03:33

Does anyone know how port placement effects the frequency responce of the subwoofer?

I was planing on building a new box for my 2 Kaption audio SRX 12s. The box is around 4.5 cubic feet and the area is around 72, the length is around 30 inches. For now the plan is to have the subs and port on the same side with the port being L shape


13 Jan, 11:00

ts parameters

Anyone know the TS parameters of this Jvc cs-LD3250 10" strobo sub?


13 Jan, 10:57

What does useful volume mean

so i want to build a speaker box for 2 alpine s-w10d2's but the only problem i have is where it gives total volume and useful volume is the useful volume the net volume or what?


8 Jan, 08:41

Best box design

What is the best box design for selenium 18ws 600?


19 Dec 2022, 04:55

Box design

HI have tried to design a ported box for 4- 12's. There a 1250 watt RMS speaker. I have built 2 boxes that are garbage. I'm tired of burning them for firewood. Birch is expensive! Is there anyone out here that would help? I would surely appreciate it. (cra


16 Dec 2022, 06:24

Box dimensions

Can anyone figure out the dimensions for a jl 10w7 but wedge ported style?


17 Oct 2022, 21:31

Missing graphs

Hi there. Im trying to design a bass guitar cabinet using a Deltalite 2512 ii. When using the "Adjust VB/FB" feature the SPL graphs dont show. It has happened more than once. Is this a glitch or am I doing something wrong? Best regards, Henrik


12 Oct 2022, 21:33

Box Volume,Sound

Help Wizard suggests me to use a closed enclosure but there I get an amount of Fb(Hz) = 70Hz and when I use a vented enclosure then I get around 40 Hz. What would you suggest?  I'm using the DaytonAudio DC160-4


29 Sep 2022, 13:01

Vent port air velocity

What is the best vent air velocity? What is the best sound pressure level?


12 Sep 2022, 18:27

Issues with computed parameters of the app

Im having issues with the parameters that the computer determines, for example the total volume of the box, I input the dimensions of the box, and it just doesn't do the math for the volume, the answer box is empty. The same with other parameters of the bo