Blog Forums DIY Speakers and Subwoofers Easy box calculator tip

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21 replies
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    • #15227
      sb-woo
      Participant

      Loudspeakerdatabase.com has downloads for, I believe, all the speakers.

      If you have WINISD, you can simply download the parameters and play with box dimensions without having to go through the frustration of inputing them into WINISD.

      Loudspeakerdatabase.com is a very useful site/tool for finding the right speaker for your project. It can also download for other programs, but im not familiar with them.

    • #15228
      tvor-ceasar
      Moderator

      Nice find. Have to add this to my bookmarks.

       

       


    • #15230
      sb-woo
      Participant

      @tvor-ceasar XSIM, WINISD, Loudspeakerdatabase.com etc.. so many free tools out there. Speaker building has never been easier.

    • #15231
      tvor-ceasar
      Moderator

      @sb-woo Absolutely! And with all the browser based design suites, you can do so many things on your mobile that you wouldn’t have thought possible in the not too distant past.


    • #15232
      sb-woo
      Participant

      @tvor-ceasar

      Can you elaborate? I’m not familiar. I have been wanting to do things like that on my phone forever. I’m only familiar with a few box calculator apps such as “speaker box light” and thats about it. Sounds like you are talking about websites I can go to on my phone and design things.

    • #15233
      Elliott
      Participant

      Yeah I’ve been using loudspeaker database for a while now, great site, it certainly has most loudspeaker drivers on there. I think I’ve come across about two that I couldn’t find, on the grand scheme of things that’s not very many. Hopefully this will help out many people, I had never thought to point it out, assumed people already used it 😂


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15238
      tvor-ceasar
      Moderator

      @sb-woo pages like https://www.diyaudioandvideo.com/Calculator/SpeakerBoxEnclosure/ , https://www.diyaudioandvideo.com/Calculator/SpeakerBoxVolume/ , and https://www.v-cap.com/speaker-crossover-calculator.php go a long way to getting you there while not at a regular computer. There’s more, but these are actually open in a group in this phone right now. And if you have a printer (PDF) installed, you can have a more permanent copy for reference.


    • #15239
      tvor-ceasar
      Moderator

      @elliottdesigns I wish I had known about this a while back when I started using WinISD. Would’ve been so much less stressful.


    • #15240
      sb-woo
      Participant

      @tvor-ceasar 

      Excellent, thank you!

    • #15242
      Elliott
      Participant

      @tvor-ceasar whilst these programs are nice to get an idea, I’d never build a box from the data they provide alone; I’d need the extra information that comes from winISD, but I can see how they can be useful to some.


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15254
      tvor-ceasar
      Moderator
      Posted by: @elliottdesigns
       
      …whilst these programs are nice to get an idea…

      Exactly. You’re out and about and come across something interesting. Fire up the browser and do a quick check. Does it look promising or is it utter trash? Now you have an idea. Question is, do you have the scratch to pick up whatever you’ve found? 😉


    • #15257
      sb-woo
      Participant

      You guys should check out the speaker box lite app. I know it’s free on android. Very helpful. Works like WinISD, has probably thousands of speakers listed with parameters. Make box volume and Fb changes dynamically in real time as you watch the multiple graphs of your choosing change. Just like WinISd.

      And no, im not affiliated with whoever made this app, but kudos to that person.

    • #15259
      sb-woo
      Participant

      Choose speaker

      Literally thousands on here




      All parameters listed but you can adjust or input whatever you like.

    • #15260
      sb-woo
      Participant

      Click volume at the top and you can choose what type of box.

      Then click on adjust vb/fb

      Then you slide the two top bars as you wish and the graph displays the info dynamically. 



      Tons of adjustments can be made too.

       

       

    • #15263
      Elliott
      Participant

      @sb-woo Whilst a great program, I couldn’t do without winISD and flair-it when doing ports still. My speakers are typically active and therefore have built in DSP. For that reason I need the EQ feature built into winISD when looking at SPL and excursion graphs, I also believe many people would struggle without being able to apply subsonic filters when designing their sub box. And when using any kind of port, I greatly recommend Flare-It, it’s a free program that allows you to see what size flare you need before getting compression or chuffing. I’ll hopefully be creating a tutorial on it next week 👍


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15264
      sb-woo
      Participant

      @elliottdesigns 

      I’d be curious to know what type of electronics you’re using. I would love to find some amp boards with all the things i need. Bluetooth, dsp, clean power…

    • #15265
      Elliott
      Participant

      @sb-woo at the moment I am using a program called equaliser APO and creating convolution files for it to do FIR convolution, however I’m trying to find a good way to do the same automatically with a raspberry pi zero 2, that way it can process inputs through aux rather than the APO method where my only output is my computer, while more than enough for 2-way stereo with a sub or 2-way quadrophonic, I’d need processing devices such as these to get a full surround sound system or to make a more portable loudspeaker (one that doesn’t have to rely on a desktop computer for processing)


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15266
      sb-woo
      Participant

      @elliottdesigns 

      Sounds confusing. Maybe this will help.

       

    • #15267
      Elliott
      Participant

      @sb-woo I wish 🤣. The stuff I’m doing at the moment is a lot more so… Engineering exams 😭


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15269
      Josh Evans
      Participant

      @elliottdesigns like a compact, DIY version of this?

      https://www.trinnov.com/en/products/d-mon/#Description


      Josh Evans, Professional Live Sound Engineer, High End Commercial AV Install Technician
    • #15270
      Elliott
      Participant

      @chedwin Even more capable! 👍


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student
    • #15274
      Elliott
      Participant

      @chedwin I should clarify, not in terms of the amount of channels capable of processing (since it only outputs a max of 4), but in terms of processing I’d say it’s on par, if using a pi4 I’d say it massively surpasses it. All for less than £50 too (or there about; not including aux leads, amplifier, amplifier power supply or audio source of course). After Monday next week I’ll be able to get working on it properly and I’m hoping to make a YouTube tutorial shortly after doing so as well. Great audio on even the smallest of budgets is a massive passion of mine since it makes it so accessible!

      Edit: I think this may have gone a bit off-topic so sorry for that


       


      Elliott Dyson – Elliott Designs (YouTube) – 3rd year MENG Student

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